Analysis
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max time kernel
1386s -
max time network
1177s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16-03-2024 19:10
Static task
static1
Behavioral task
behavioral1
Sample
NursultanCrack.rar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
NursultanCrack.rar
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
assest.rar
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
assest.rar
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
minecraft.jar
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
minecraft.jar
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
start.exe
Resource
win7-20240221-en
General
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Target
NursultanCrack.rar
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Size
183KB
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MD5
d3ad8d4ecbadea0a2ba6a92e91ed2d2b
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SHA1
977368283f90605be222c310d6880fab8478ad7a
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SHA256
b9395c6223dd34cdd95dd5c298eb609a806b12f2f2bcf9b0932b47ab564ee591
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SHA512
1bd24793905cfd2bad5c2640e1b2f99bc4e7424cb7f6c17a42f69ec3bc04e1aed667d70d94ea4b1b616d3742023742dac60c3714f421402aeecba75ad09e3ba1
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SSDEEP
3072:ngYU/sh31YoZfxYguGUb+MTezWxURWy0i9WQcM2ojNZbO/9GM69LOAalm2tJM:gWzuvG++geKQWyZ9okLO/956djalvM
Malware Config
Extracted
xworm
18.ip.gl.ply.gg:54823
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Install_directory
%Temp%
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install_file
svhost.exe
Signatures
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Detect Umbral payload 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023248-13.dat family_umbral behavioral2/memory/3076-32-0x0000029BB2D30000-0x0000029BB2D70000-memory.dmp family_umbral -
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023249-24.dat family_xworm behavioral2/memory/208-34-0x00000000006C0000-0x00000000006D6000-memory.dmp family_xworm -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts NursultanStart.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation start.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation start.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk start.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk start.exe -
Executes dropped EXE 6 IoCs
pid Process 5036 start.exe 3076 NursultanStart.exe 208 start.exe 4868 start.exe 1796 NursultanStart.exe 4680 start.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 125 discord.com 128 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 107 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 4448 timeout.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4424 wmic.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings cmd.exe -
Suspicious behavior: EnumeratesProcesses 39 IoCs
pid Process 4776 7zFM.exe 4776 7zFM.exe 1948 powershell.exe 1948 powershell.exe 1948 powershell.exe 3236 powershell.exe 3236 powershell.exe 3236 powershell.exe 4484 powershell.exe 4484 powershell.exe 4484 powershell.exe 3732 powershell.exe 3732 powershell.exe 3732 powershell.exe 3940 powershell.exe 3940 powershell.exe 3940 powershell.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4776 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 4776 7zFM.exe Token: 35 4776 7zFM.exe Token: SeSecurityPrivilege 4776 7zFM.exe Token: SeDebugPrivilege 208 start.exe Token: SeDebugPrivilege 3076 NursultanStart.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 3236 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeIncreaseQuotaPrivilege 4732 wmic.exe Token: SeSecurityPrivilege 4732 wmic.exe Token: SeTakeOwnershipPrivilege 4732 wmic.exe Token: SeLoadDriverPrivilege 4732 wmic.exe Token: SeSystemProfilePrivilege 4732 wmic.exe Token: SeSystemtimePrivilege 4732 wmic.exe Token: SeProfSingleProcessPrivilege 4732 wmic.exe Token: SeIncBasePriorityPrivilege 4732 wmic.exe Token: SeCreatePagefilePrivilege 4732 wmic.exe Token: SeBackupPrivilege 4732 wmic.exe Token: SeRestorePrivilege 4732 wmic.exe Token: SeShutdownPrivilege 4732 wmic.exe Token: SeDebugPrivilege 4732 wmic.exe Token: SeSystemEnvironmentPrivilege 4732 wmic.exe Token: SeRemoteShutdownPrivilege 4732 wmic.exe Token: SeUndockPrivilege 4732 wmic.exe Token: SeManageVolumePrivilege 4732 wmic.exe Token: 33 4732 wmic.exe Token: 34 4732 wmic.exe Token: 35 4732 wmic.exe Token: 36 4732 wmic.exe Token: SeIncreaseQuotaPrivilege 4732 wmic.exe Token: SeSecurityPrivilege 4732 wmic.exe Token: SeTakeOwnershipPrivilege 4732 wmic.exe Token: SeLoadDriverPrivilege 4732 wmic.exe Token: SeSystemProfilePrivilege 4732 wmic.exe Token: SeSystemtimePrivilege 4732 wmic.exe Token: SeProfSingleProcessPrivilege 4732 wmic.exe Token: SeIncBasePriorityPrivilege 4732 wmic.exe Token: SeCreatePagefilePrivilege 4732 wmic.exe Token: SeBackupPrivilege 4732 wmic.exe Token: SeRestorePrivilege 4732 wmic.exe Token: SeShutdownPrivilege 4732 wmic.exe Token: SeDebugPrivilege 4732 wmic.exe Token: SeSystemEnvironmentPrivilege 4732 wmic.exe Token: SeRemoteShutdownPrivilege 4732 wmic.exe Token: SeUndockPrivilege 4732 wmic.exe Token: SeManageVolumePrivilege 4732 wmic.exe Token: 33 4732 wmic.exe Token: 34 4732 wmic.exe Token: 35 4732 wmic.exe Token: 36 4732 wmic.exe Token: SeIncreaseQuotaPrivilege 1488 wmic.exe Token: SeSecurityPrivilege 1488 wmic.exe Token: SeTakeOwnershipPrivilege 1488 wmic.exe Token: SeLoadDriverPrivilege 1488 wmic.exe Token: SeSystemProfilePrivilege 1488 wmic.exe Token: SeSystemtimePrivilege 1488 wmic.exe Token: SeProfSingleProcessPrivilege 1488 wmic.exe Token: SeIncBasePriorityPrivilege 1488 wmic.exe Token: SeCreatePagefilePrivilege 1488 wmic.exe Token: SeBackupPrivilege 1488 wmic.exe Token: SeRestorePrivilege 1488 wmic.exe Token: SeShutdownPrivilege 1488 wmic.exe Token: SeDebugPrivilege 1488 wmic.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4776 7zFM.exe 4776 7zFM.exe 4776 7zFM.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2276 wrote to memory of 4776 2276 cmd.exe 93 PID 2276 wrote to memory of 4776 2276 cmd.exe 93 PID 4776 wrote to memory of 5036 4776 7zFM.exe 114 PID 4776 wrote to memory of 5036 4776 7zFM.exe 114 PID 4776 wrote to memory of 5036 4776 7zFM.exe 114 PID 5036 wrote to memory of 3076 5036 start.exe 115 PID 5036 wrote to memory of 3076 5036 start.exe 115 PID 5036 wrote to memory of 208 5036 start.exe 116 PID 5036 wrote to memory of 208 5036 start.exe 116 PID 3076 wrote to memory of 1948 3076 NursultanStart.exe 117 PID 3076 wrote to memory of 1948 3076 NursultanStart.exe 117 PID 3076 wrote to memory of 3236 3076 NursultanStart.exe 119 PID 3076 wrote to memory of 3236 3076 NursultanStart.exe 119 PID 3076 wrote to memory of 4484 3076 NursultanStart.exe 121 PID 3076 wrote to memory of 4484 3076 NursultanStart.exe 121 PID 3076 wrote to memory of 3732 3076 NursultanStart.exe 123 PID 3076 wrote to memory of 3732 3076 NursultanStart.exe 123 PID 3076 wrote to memory of 4732 3076 NursultanStart.exe 125 PID 3076 wrote to memory of 4732 3076 NursultanStart.exe 125 PID 3076 wrote to memory of 1488 3076 NursultanStart.exe 127 PID 3076 wrote to memory of 1488 3076 NursultanStart.exe 127 PID 3076 wrote to memory of 4880 3076 NursultanStart.exe 129 PID 3076 wrote to memory of 4880 3076 NursultanStart.exe 129 PID 3076 wrote to memory of 3940 3076 NursultanStart.exe 131 PID 3076 wrote to memory of 3940 3076 NursultanStart.exe 131 PID 3076 wrote to memory of 4424 3076 NursultanStart.exe 133 PID 3076 wrote to memory of 4424 3076 NursultanStart.exe 133 PID 4776 wrote to memory of 4868 4776 7zFM.exe 135 PID 4776 wrote to memory of 4868 4776 7zFM.exe 135 PID 4776 wrote to memory of 4868 4776 7zFM.exe 135 PID 4868 wrote to memory of 1796 4868 start.exe 136 PID 4868 wrote to memory of 1796 4868 start.exe 136 PID 4868 wrote to memory of 4680 4868 start.exe 137 PID 4868 wrote to memory of 4680 4868 start.exe 137 PID 208 wrote to memory of 1160 208 start.exe 146 PID 208 wrote to memory of 1160 208 start.exe 146 PID 1160 wrote to memory of 4448 1160 cmd.exe 148 PID 1160 wrote to memory of 4448 1160 cmd.exe 148
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\NursultanCrack.rar1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NursultanCrack.rar"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Users\Admin\AppData\Local\Temp\7zO8A2480F7\start.exe"C:\Users\Admin\AppData\Local\Temp\7zO8A2480F7\start.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\AppData\Local\Temp\NursultanStart.exe"C:\Users\Admin\AppData\Local\Temp\NursultanStart.exe"4⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\NursultanStart.exe'5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 25⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3236
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3732
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1488
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid5⤵PID:4880
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER5⤵
- Suspicious behavior: EnumeratesProcesses
PID:3940
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name5⤵
- Detects videocard installed
PID:4424
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C:\Users\Admin\AppData\Local\Temp\start.exe"C:\Users\Admin\AppData\Local\Temp\start.exe"4⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8C0.tmp.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\system32\timeout.exetimeout 36⤵
- Delays execution with timeout.exe
PID:4448
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C:\Users\Admin\AppData\Local\Temp\7zO8A2578A7\start.exe"C:\Users\Admin\AppData\Local\Temp\7zO8A2578A7\start.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\NursultanStart.exe"C:\Users\Admin\AppData\Local\Temp\NursultanStart.exe"4⤵
- Executes dropped EXE
PID:1796
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C:\Users\Admin\AppData\Local\Temp\start.exe"C:\Users\Admin\AppData\Local\Temp\start.exe"4⤵
- Executes dropped EXE
PID:4680
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:1088
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵PID:3108
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD54c8fa14eeeeda6fe76a08d14e08bf756
SHA130003b6798090ec74eb477bbed88e086f8552976
SHA2567ebfcfca64b0c1c9f0949652d50a64452b35cefe881af110405cd6ec45f857a5
SHA512116f80182c25cf0e6159cf59a35ee27d66e431696d29ec879c44521a74ab7523cbfdefeacfb6a3298b48788d7a6caa5336628ec9c1d8b9c9723338dcffea4116
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
1KB
MD5b0a78e60bfb279d18fd3d6e7a67411f5
SHA19344fe3654a14bc66afb9dc6ea215fabfbe5c906
SHA256a28890c82033d3deaf5770ecd1b0239c77321acc93704b1d4b1e167b91e30aeb
SHA5129548be23bec645cd705482f78d43b63659e38cf879c34f7071f42fd86ee02039379a5e92fbe0f1c74c12aaebabdd8002f57eba111d3e855cbd0c89a110e346f2
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Filesize
1KB
MD53047912af0f04660df1c0e5a7627c9b7
SHA12a882f6cd8965b0c1e3a7ad34c150102b090082a
SHA256b831b46b481e157e1392f49154c039f8946b25114fab2996ef17d82ab664161e
SHA512844dac407ca77f591b602b05a0064a3c07b75600a55961f2ec815cd3c2c539484d338c5a092a894e6a51f455dbfc1c22b20b8f595d5dcf904b04c0b4adaf0b4d
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
948B
MD57d938922c60b82c232e1dc1d2cb172d6
SHA18c5546fbca478815e77f5dff30fe00e5e5fd6a9a
SHA256463e9ebf5171ef9ead61019e5fa863ecd958d4390e88079394a98c050ad32a1f
SHA512479ac4d43bcaea8059ff4ae9023e35f81e2d04eba16b3bec76c1b198891b2b8ea27a03e3862ca73dbe2e98dae5538b007df8418f10c2e3f52c93bcbbae10f105
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Filesize
192KB
MD5066f7f594bf6f254748bc19562dd1bc3
SHA1313883f4a7fbfc3c60b153492aeefb927c5d5694
SHA2569398c6385a5246fe4b86b0f247ddb8a93a9c326389dabef1b96bd65af09b360e
SHA51204f0c82938dee7a790876ab39282c36eda0c6de11a337d93f728c07be6ff5997605c6a9bba886b94091c313795ee19bf96d65ca9ac1e1d62eeab7acd33b6afca
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Filesize
229KB
MD5a635e377a579296af70e52f439465078
SHA168aff1bf9a48c1d8f326f9ee1d95a795c1b35c35
SHA25611ca4440ffccc6e94fa1536d27eeafdceea8782202a56f3989b19f845d7864ac
SHA512cef30f2e3385399c9659acb6938a68a46401b977cb84c1137cc18dd37009c61a91eeb473a65552bb5585af69ecfadd878db0a0f6bd24584153d9796a3e46db39
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
63KB
MD5a48eb52779ecedfcf1c709a232e655cf
SHA1ebe1bf5f87ee23bf74ec52c5bcf134782821c46d
SHA256fecf2e4db113236435acf34c716776d40a447254b344f59ed3c2f99e755b2708
SHA512b37bfb9f7eb15063e452cc7ccf9ed2291f09b985fecba6f983b2cd69736b6fe6bd02074d99f838f8e2ce826b8ee9e810fc7f171e0ac486e4f7ff0f37903ab47c
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Filesize
157B
MD58a37d0ae7c786f013547cc009252ed08
SHA16b7ac65df219a13476f633831222c6fc3f3a86e5
SHA2562cc0f2104d2f441b133f17a845f9c8561f8852b7c869c88b2d721b24ab7e9bf1
SHA512400e50189b94196ea8037db08d4b540a762e23d9b99891a3af75fc41453134106cbbbeabbc2bad61775d8f3defff8aabb78ff574a9fdb88222f8260d85e35622