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Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/05/2024, 07:43
Static task
static1
Behavioral task
behavioral1
Sample
50138aa6c36152d659a239c8877faa875d18152fa56c63fada3fc8a69d0719bf.jar
Resource
win7-20240221-en
General
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Target
50138aa6c36152d659a239c8877faa875d18152fa56c63fada3fc8a69d0719bf.jar
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Size
216KB
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MD5
d553f70a48745ac7fd556cfa45efbc9c
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SHA1
f4fb627758fb70518a2fb6a89be2ff3ea40241f8
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SHA256
50138aa6c36152d659a239c8877faa875d18152fa56c63fada3fc8a69d0719bf
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SHA512
7e6aceae21bd99063d870e61dcbe39c6f19adfa4268bf91734953119a6a78428d6c1e3f44d40c56ed0cfae2df023ea8a60b09ed2acf48bc722dcd7a2d82933c2
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SSDEEP
6144:8qnzpwCDhLMFZOo5WK9+TkfFNkW00canghqSiqnXrrzGFA:XzpQZFkgtNwJkgMYXrB
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jvzjpvmfi.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 2596 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3756 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jvzjpvmfi = "\"C:\\Users\\Admin\\AppData\\Roaming\\jvzjpvmfi.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jvzjpvmfi = "\"C:\\Users\\Admin\\AppData\\Roaming\\jvzjpvmfi.txt\"" java.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 66 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3432 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2112 WMIC.exe Token: SeSecurityPrivilege 2112 WMIC.exe Token: SeTakeOwnershipPrivilege 2112 WMIC.exe Token: SeLoadDriverPrivilege 2112 WMIC.exe Token: SeSystemProfilePrivilege 2112 WMIC.exe Token: SeSystemtimePrivilege 2112 WMIC.exe Token: SeProfSingleProcessPrivilege 2112 WMIC.exe Token: SeIncBasePriorityPrivilege 2112 WMIC.exe Token: SeCreatePagefilePrivilege 2112 WMIC.exe Token: SeBackupPrivilege 2112 WMIC.exe Token: SeRestorePrivilege 2112 WMIC.exe Token: SeShutdownPrivilege 2112 WMIC.exe Token: SeDebugPrivilege 2112 WMIC.exe Token: SeSystemEnvironmentPrivilege 2112 WMIC.exe Token: SeRemoteShutdownPrivilege 2112 WMIC.exe Token: SeUndockPrivilege 2112 WMIC.exe Token: SeManageVolumePrivilege 2112 WMIC.exe Token: 33 2112 WMIC.exe Token: 34 2112 WMIC.exe Token: 35 2112 WMIC.exe Token: 36 2112 WMIC.exe Token: SeIncreaseQuotaPrivilege 2112 WMIC.exe Token: SeSecurityPrivilege 2112 WMIC.exe Token: SeTakeOwnershipPrivilege 2112 WMIC.exe Token: SeLoadDriverPrivilege 2112 WMIC.exe Token: SeSystemProfilePrivilege 2112 WMIC.exe Token: SeSystemtimePrivilege 2112 WMIC.exe Token: SeProfSingleProcessPrivilege 2112 WMIC.exe Token: SeIncBasePriorityPrivilege 2112 WMIC.exe Token: SeCreatePagefilePrivilege 2112 WMIC.exe Token: SeBackupPrivilege 2112 WMIC.exe Token: SeRestorePrivilege 2112 WMIC.exe Token: SeShutdownPrivilege 2112 WMIC.exe Token: SeDebugPrivilege 2112 WMIC.exe Token: SeSystemEnvironmentPrivilege 2112 WMIC.exe Token: SeRemoteShutdownPrivilege 2112 WMIC.exe Token: SeUndockPrivilege 2112 WMIC.exe Token: SeManageVolumePrivilege 2112 WMIC.exe Token: 33 2112 WMIC.exe Token: 34 2112 WMIC.exe Token: 35 2112 WMIC.exe Token: 36 2112 WMIC.exe Token: SeIncreaseQuotaPrivilege 1056 WMIC.exe Token: SeSecurityPrivilege 1056 WMIC.exe Token: SeTakeOwnershipPrivilege 1056 WMIC.exe Token: SeLoadDriverPrivilege 1056 WMIC.exe Token: SeSystemProfilePrivilege 1056 WMIC.exe Token: SeSystemtimePrivilege 1056 WMIC.exe Token: SeProfSingleProcessPrivilege 1056 WMIC.exe Token: SeIncBasePriorityPrivilege 1056 WMIC.exe Token: SeCreatePagefilePrivilege 1056 WMIC.exe Token: SeBackupPrivilege 1056 WMIC.exe Token: SeRestorePrivilege 1056 WMIC.exe Token: SeShutdownPrivilege 1056 WMIC.exe Token: SeDebugPrivilege 1056 WMIC.exe Token: SeSystemEnvironmentPrivilege 1056 WMIC.exe Token: SeRemoteShutdownPrivilege 1056 WMIC.exe Token: SeUndockPrivilege 1056 WMIC.exe Token: SeManageVolumePrivilege 1056 WMIC.exe Token: 33 1056 WMIC.exe Token: 34 1056 WMIC.exe Token: 35 1056 WMIC.exe Token: 36 1056 WMIC.exe Token: SeIncreaseQuotaPrivilege 1056 WMIC.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1380 wrote to memory of 3756 1380 java.exe 92 PID 1380 wrote to memory of 3756 1380 java.exe 92 PID 1380 wrote to memory of 812 1380 java.exe 96 PID 1380 wrote to memory of 812 1380 java.exe 96 PID 812 wrote to memory of 2384 812 wscript.exe 97 PID 812 wrote to memory of 2384 812 wscript.exe 97 PID 2384 wrote to memory of 4180 2384 javaw.exe 106 PID 2384 wrote to memory of 4180 2384 javaw.exe 106 PID 4180 wrote to memory of 3404 4180 java.exe 108 PID 4180 wrote to memory of 3404 4180 java.exe 108 PID 4180 wrote to memory of 2596 4180 java.exe 110 PID 4180 wrote to memory of 2596 4180 java.exe 110 PID 3404 wrote to memory of 3432 3404 cmd.exe 112 PID 3404 wrote to memory of 3432 3404 cmd.exe 112 PID 2596 wrote to memory of 5032 2596 java.exe 113 PID 2596 wrote to memory of 5032 2596 java.exe 113 PID 5032 wrote to memory of 2112 5032 cmd.exe 115 PID 5032 wrote to memory of 2112 5032 cmd.exe 115 PID 2596 wrote to memory of 4900 2596 java.exe 116 PID 2596 wrote to memory of 4900 2596 java.exe 116 PID 4900 wrote to memory of 1056 4900 cmd.exe 118 PID 4900 wrote to memory of 1056 4900 cmd.exe 118 PID 2596 wrote to memory of 3996 2596 java.exe 119 PID 2596 wrote to memory of 3996 2596 java.exe 119 PID 3996 wrote to memory of 4540 3996 cmd.exe 121 PID 3996 wrote to memory of 4540 3996 cmd.exe 121 PID 2596 wrote to memory of 2352 2596 java.exe 122 PID 2596 wrote to memory of 2352 2596 java.exe 122 PID 2352 wrote to memory of 2404 2352 cmd.exe 124 PID 2352 wrote to memory of 2404 2352 cmd.exe 124 -
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
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\50138aa6c36152d659a239c8877faa875d18152fa56c63fada3fc8a69d0719bf.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:3756
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C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\eqqbccrwqf.js2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\jvzjpvmfi.txt"3⤵
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\jvzjpvmfi.txt"4⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\jvzjpvmfi.txt"5⤵
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\jvzjpvmfi.txt"6⤵
- Creates scheduled task(s)
PID:3432
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\jvzjpvmfi.txt"5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"6⤵
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list7⤵
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"6⤵
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list7⤵
- Suspicious use of AdjustPrivilegeToken
PID:1056
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"6⤵
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list7⤵PID:4540
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"6⤵
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list7⤵PID:2404
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:4872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5f2437c14e1a3c802a6a7116c62f50835
SHA14a7285415058116019a86340f6566d2aca1c9034
SHA256dff77993652fa51df6f2487f0a9e824edf1735c5627043e24f4225a07bebd5b1
SHA512ebce17eccec64c6f2567924178e483a89cbe832da10421f2b74c697992f3d7bd9314e0af3f0c3e1f70975975c2962962b926cda10d03a52c8b7cd6f3f0108716
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
164KB
MD57ea89d19a8441cc58b7255dc9fb205fa
SHA12ae19607a8231bffd72353766f4017eb5492f3e8
SHA256486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
SHA5120a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4
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Filesize
341KB
MD51b2c87eb5184cf84532f863a7d21fdf7
SHA1488289245f26e29cd0365df255e988b067daec33
SHA25632a0f059ccc7ed7c2c0b3dfe6437c21ac8b055a32782c601852dee34923b2e18
SHA512d280182e35be93e380bf991c0cc6b90c61bf8aeeb11a911afc37389aa885dcd254453e09fd975e424ccc7a5b92512696f2f82f8340935e8531b97900bd7ae025
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d