Analysis
- max time kernel
299s - max time network
299s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
04/03/2024, 20:28
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240221-en
12 signatures
300 seconds
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240226-en
14 signatures
300 seconds
General
- Target XClient.exe
- Size 38KB
- Sample240304-y89d2acd8w
- SHA256 f3f68266726abc9e9fe6c2e9f2170721343c8359d44b169ebd8818cd60eaad14
- MD5 9ad04c0709f27858966c2e0052e0f56c
- SHA1 20ae7ec2955d70afb4795ee27fa859bd023212df
- SHA512 b566eda3d3b43a37a46682a05ae1a8d8341bdceee9df04582c30daa8665f33388e03643b5198ac15461a2907c1e9c3f8b86c478b124249903d83d4d05bb9e03f
- SSDEEP 768:93WXQw2ZV1jLfDaBrEvG3GXFyc9Bj06OO/hSDEnlw:93WXCNnaBr7IF39x06OO//lw
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
16.ip.gl.ply.gg:52773
Mutex
-
MYba773WdMHAeUFl
Attributes
-
Install_directory
%AppData%
-
install_file
taskhost.exe
aes.plain
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/3248-0-0x0000000000A10000-0x0000000000A20000-memory.dmp family_xworm behavioral2/files/0x000d000000023242-73.dat family_xworm - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation XClient.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation vwkpdd.exe - Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taskhost.lnk XClient.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taskhost.lnk XClient.exe - Executes dropped EXE 9 IoCs
pid Process 4768 taskhost.exe 3496 vwkpdd.exe 3012 crazyinvers.exe 3788 TEXT.exe 4356 OOPS.exe 4700 taskhost.exe 3172 taskhost.exe 3560 taskhost.exe 2536 taskhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe" XClient.exe - 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 35 ip-api.com - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4568 schtasks.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2996 NOTEPAD.EXE - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1464 powershell.exe 1464 powershell.exe 3460 powershell.exe 3460 powershell.exe 1116 powershell.exe 1116 powershell.exe 3376 powershell.exe 3376 powershell.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3248 XClient.exe Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 3248 XClient.exe Token: SeDebugPrivilege 4768 taskhost.exe Token: SeDebugPrivilege 3496 vwkpdd.exe Token: SeDebugPrivilege 4700 taskhost.exe Token: SeDebugPrivilege 3172 taskhost.exe Token: SeDebugPrivilege 3560 taskhost.exe Token: SeDebugPrivilege 2536 taskhost.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3248 wrote to memory of 1464 3248 XClient.exe 91 PID 3248 wrote to memory of 1464 3248 XClient.exe 91 PID 3248 wrote to memory of 3460 3248 XClient.exe 94 PID 3248 wrote to memory of 3460 3248 XClient.exe 94 PID 3248 wrote to memory of 1116 3248 XClient.exe 96 PID 3248 wrote to memory of 1116 3248 XClient.exe 96 PID 3248 wrote to memory of 3376 3248 XClient.exe 98 PID 3248 wrote to memory of 3376 3248 XClient.exe 98 PID 3248 wrote to memory of 4568 3248 XClient.exe 100 PID 3248 wrote to memory of 4568 3248 XClient.exe 100 PID 3248 wrote to memory of 3496 3248 XClient.exe 105 PID 3248 wrote to memory of 3496 3248 XClient.exe 105 PID 3496 wrote to memory of 3012 3496 vwkpdd.exe 108 PID 3496 wrote to memory of 3012 3496 vwkpdd.exe 108 PID 3496 wrote to memory of 3012 3496 vwkpdd.exe 108 PID 3496 wrote to memory of 3788 3496 vwkpdd.exe 109 PID 3496 wrote to memory of 3788 3496 vwkpdd.exe 109 PID 3496 wrote to memory of 3788 3496 vwkpdd.exe 109 PID 3496 wrote to memory of 4356 3496 vwkpdd.exe 110 PID 3496 wrote to memory of 4356 3496 vwkpdd.exe 110 PID 3496 wrote to memory of 4356 3496 vwkpdd.exe 110 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3460
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\taskhost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'taskhost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376
-
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "taskhost" /tr "C:\Users\Admin\AppData\Roaming\taskhost.exe"2⤵
- Creates scheduled task(s)
PID:4568
-
-
C:\Users\Admin\AppData\Local\Temp\vwkpdd.exe"C:\Users\Admin\AppData\Local\Temp\vwkpdd.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Users\Admin\AppData\Local\Temp\crazyinvers.exe"C:\Users\Admin\AppData\Local\Temp\crazyinvers.exe"3⤵
- Executes dropped EXE
PID:3012
-
-
C:\Users\Admin\AppData\Local\Temp\TEXT.exe"C:\Users\Admin\AppData\Local\Temp\TEXT.exe"3⤵
- Executes dropped EXE
PID:3788
-
-
C:\Users\Admin\AppData\Local\Temp\OOPS.exe"C:\Users\Admin\AppData\Local\Temp\OOPS.exe"3⤵
- Executes dropped EXE
PID:4356
-
-
-
C:\Users\Admin\AppData\Roaming\taskhost.exeC:\Users\Admin\AppData\Roaming\taskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4768
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\DIE_4.txt1⤵
- Opens file in notepad (likely ransom note)
PID:2996
-
C:\Users\Admin\AppData\Roaming\taskhost.exeC:\Users\Admin\AppData\Roaming\taskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4700
-
C:\Users\Admin\AppData\Roaming\taskhost.exeC:\Users\Admin\AppData\Roaming\taskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3172
-
C:\Users\Admin\AppData\Roaming\taskhost.exeC:\Users\Admin\AppData\Roaming\taskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3560
-
C:\Users\Admin\AppData\Roaming\taskhost.exeC:\Users\Admin\AppData\Roaming\taskhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\DIE_5.exe
- Size 640KB
- SHA256 ff6335069b6e140eb47149d847aea80bf7e2b06bd80ae9708aa382efb3ae21ee
- MD5 157e39521e47ad1c923a94edd69ad59c
- SHA1 0f60bfe50f3744b4a6653e5a85af4d3ec0991927
- SHA512 8a8f52b7cb06a2c78e980c75c794a64bd67e085ed52478e9f1aa734493f3e074b1f810eaff4760120b6c1a8d69a866e00fd43d414b8c85d1cc5117b6052db6c3
- SSDEEP 3::
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\taskhost.exe.log
- Size 654B
- SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
- MD5 2ff39f6c7249774be85fd60a8f9a245e
- SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
- SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
- MD5 62623d22bd9e037191765d5083ce16a3
- SHA1 4a07da6872672f715a4780513d95ed8ddeefd259
- SHA512 9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 2987e99ec7fa17bd4ab7de3cb4dc62645e1052012a5a357904d6fc6db9054147
- MD5 50d3033f2bc3a3774c469d03e71a79a9
- SHA1 22027b1d52085de99b3bffa276530fea5d961471
- SHA512 ecf7ab1a9e4192454a3e24c60453fd702a8c648e00078fc933b9182f4a3d3c10c6f5da622a5729b35727e6ddc8837029caddcaf76f56e805b9744253b56da5d8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 d02e76fb112f578e455d6eb4fef7904cc1b318f4c554441eac5b68a62ae58bc4
- MD5 f32267ac1ddb28dbda52672355628ad4
- SHA1 17a84af001f273234d147572f9301c69e3078465
- SHA512 a4a05c51b08f252c809daf6dab355fa5e1cecb4236e36eea2837dad78c6705c6b55ba11d433fc197dcb3f3813bcde6b1a4c5d17be414b6462a70564d448a0f81
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\OOPS.exe
- Size 5KB
- SHA256 40293703c2c00b2c9ccb6d28933756c995186ceefb786ea7aa504b5f89ac920d
- MD5 49e0053a11bde52c2d56d4d3cf7dff55
- SHA1 60951255f5cfde5eb5241fb4678226eb9361ac55
- SHA512 1f00a00639f7a4714497372f1d685a2fd747b9577220c39f98a35b9a5f63fcb825f7ca1e9bbff745e79c090fa3e3216edf62cd5c3cf5ac89b50e214fe1830be7
- SSDEEP 48:6kaoFKaOIxOxkDHZpf2Kf6NM4QEQNbHsTwTEV1cb48lCt+7l0HmfFypfbNtm:elexOWlpuJQEQDQV1c8QCFzNt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\TEXT.exe
- Size 5KB
- SHA256 cda81c2a0f08bfd2bcf6c11a126bcc28c1286a6fdc1368a6f1df9f09b44812d2
- MD5 eac0f63b273b4710b994e552f29de354
- SHA1 8705f0a75405eca6fbab21b19e5b19ac0c12aaff
- SHA512 f16b0f64e79f33e86fa6eda92d0596a15df9679c6592bf9a8a320a5bb6c13ceb8db4a3237e96947dce8c783e92c9ed04b48dc262de0f9b616d2b55aee52216e6
- SSDEEP 48:6jaPn61h4Z62PvagIQkosmya7i6xf6NMeKEnhFKFvBb/VhtbRCt+Nln+FTmpFypu:lWW6eagOmyaW6rE76/Vht3wVzNt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5pnpxyk.chy.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\crazyinvers.exe
- Size 2.3MB
- SHA256 47f0e9a90d45b193e81d3e60b7a43e5a4550a07a3dd1f7c98110fde12265d999
- MD5 a44458813e819777013eb3e644d74362
- SHA1 2dd0616ca78e22464cf0cf68ef7915358a16f9ee
- SHA512 1a4723a36f55cf696f33a7927571bda403e81ced32fda85c7cf25c8458897fb187e46bf5f80c26542725a9a7e5aa0e961fd3f3b110ae8f54b3b96b3e5dfc8215
- SSDEEP 49152:t3Qe5ZlQ0WORqQ6BbXNYD8fOVk9hVzestkkWi5sWTnE:tJ320WORRqNYD8fOVk9hVzestkk15sWw
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\vwkpdd.exe
- Size 706KB
- SHA256 c4be02ebea91f47eb66c4c247347b1fdea520b3210b56c619b9128b5a996fcdd
- MD5 9ad55f39cc007cf0313456472f39b71d
- SHA1 c947f2d0c437c8fe6a17e32a11c32cd423b73a72
- SHA512 2955475a9a026db944395ecc548cfd61f6280f435742bd45f1a636b3351898886c01d4814c4389dc4a38d7966e39ac3e282e8cfc7471d3e6e39443df85004845
- SSDEEP 12288:GmtamMJ/UBiXkT+szLAwtC9dMdS+nfekMZ4EvO2OFreSlQHIY:GmEmA/2iUisnBZgKfK4NTFLa
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\taskhost.exe
- Size 38KB
- SHA256 f3f68266726abc9e9fe6c2e9f2170721343c8359d44b169ebd8818cd60eaad14
- MD5 9ad04c0709f27858966c2e0052e0f56c
- SHA1 20ae7ec2955d70afb4795ee27fa859bd023212df
- SHA512 b566eda3d3b43a37a46682a05ae1a8d8341bdceee9df04582c30daa8665f33388e03643b5198ac15461a2907c1e9c3f8b86c478b124249903d83d4d05bb9e03f
- SSDEEP 768:93WXQw2ZV1jLfDaBrEvG3GXFyc9Bj06OO/hSDEnlw:93WXCNnaBr7IF39x06OO//lw
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Desktop\DIE_5.txt
- Size 26B
- SHA256 1c746f23a9ae7e24d8bad9b1814aea9a2379985dd954e42b91b10de1c1115e04
- MD5 a9d5c20dc5c1801c68fb0fdfacaef241
- SHA1 4600f7c027813889d4af992f486d8f9cf54c6a53
- SHA512 61834ef9341c3b538dc70db5f1f39cc59fd854142f851d2b12ccf979ae3fe73547d96d85c678abd6fc61b1b4f48046f71dcfb790ae683290813fa5183be9a8b5
- MD5 SHA1 SHA512