Analysis
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max time kernel
0s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2023 05:45
Static task
static1
Behavioral task
behavioral1
Sample
2a851d7c8be29c5fc3bcd30329956ffe.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2a851d7c8be29c5fc3bcd30329956ffe.exe
Resource
win10v2004-20231215-en
General
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Target
2a851d7c8be29c5fc3bcd30329956ffe.exe
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Size
62KB
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MD5
2a851d7c8be29c5fc3bcd30329956ffe
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SHA1
b33309e99079b063c8b4713246a5fc1f503ed3f1
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SHA256
8b1c2384d904f25a64d3f35a84aa6e2e4cafa6cbba168e02a08741d6ddab9e7b
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SHA512
443520245605686acbf43c9364a83752d7ab2679c7f0d351816036eec12c95d0b765fc0bb22846ff9e29150992180e5773cf1d675ee66b82d2f806bc83d12b9e
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SSDEEP
768:VnbyqCXfVtfAD8TJWn0u7sANI4svYLDwUzc80gmq3oP/oDh:VnbEAD6WnzsAxfr/0O8/ol
Malware Config
Signatures
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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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2a851d7c8be29c5fc3bcd30329956ffe.exe\"" 2a851d7c8be29c5fc3bcd30329956ffe.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 api.ipify.org 8 api.ipify.org -
Program crash 2 IoCs
pid pid_target Process procid_target 3344 3864 WerFault.exe 16 4700 3864 WerFault.exe 16 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe Token: SeIncreaseQuotaPrivilege 4768 WMIC.exe Token: SeSecurityPrivilege 4768 WMIC.exe Token: SeTakeOwnershipPrivilege 4768 WMIC.exe Token: SeLoadDriverPrivilege 4768 WMIC.exe Token: SeSystemProfilePrivilege 4768 WMIC.exe Token: SeSystemtimePrivilege 4768 WMIC.exe Token: SeProfSingleProcessPrivilege 4768 WMIC.exe Token: SeIncBasePriorityPrivilege 4768 WMIC.exe Token: SeCreatePagefilePrivilege 4768 WMIC.exe Token: SeBackupPrivilege 4768 WMIC.exe Token: SeRestorePrivilege 4768 WMIC.exe Token: SeShutdownPrivilege 4768 WMIC.exe Token: SeDebugPrivilege 4768 WMIC.exe Token: SeSystemEnvironmentPrivilege 4768 WMIC.exe Token: SeRemoteShutdownPrivilege 4768 WMIC.exe Token: SeUndockPrivilege 4768 WMIC.exe Token: SeManageVolumePrivilege 4768 WMIC.exe Token: 33 4768 WMIC.exe Token: 34 4768 WMIC.exe Token: 35 4768 WMIC.exe Token: 36 4768 WMIC.exe Token: SeIncreaseQuotaPrivilege 4768 WMIC.exe Token: SeSecurityPrivilege 4768 WMIC.exe Token: SeTakeOwnershipPrivilege 4768 WMIC.exe Token: SeLoadDriverPrivilege 4768 WMIC.exe Token: SeSystemProfilePrivilege 4768 WMIC.exe Token: SeSystemtimePrivilege 4768 WMIC.exe Token: SeProfSingleProcessPrivilege 4768 WMIC.exe Token: SeIncBasePriorityPrivilege 4768 WMIC.exe Token: SeCreatePagefilePrivilege 4768 WMIC.exe Token: SeBackupPrivilege 4768 WMIC.exe Token: SeRestorePrivilege 4768 WMIC.exe Token: SeShutdownPrivilege 4768 WMIC.exe Token: SeDebugPrivilege 4768 WMIC.exe Token: SeSystemEnvironmentPrivilege 4768 WMIC.exe Token: SeRemoteShutdownPrivilege 4768 WMIC.exe Token: SeUndockPrivilege 4768 WMIC.exe Token: SeManageVolumePrivilege 4768 WMIC.exe Token: 33 4768 WMIC.exe Token: 34 4768 WMIC.exe Token: 35 4768 WMIC.exe Token: 36 4768 WMIC.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3864 wrote to memory of 1072 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe 25 PID 3864 wrote to memory of 1072 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe 25 PID 3864 wrote to memory of 1072 3864 2a851d7c8be29c5fc3bcd30329956ffe.exe 25 PID 1072 wrote to memory of 4768 1072 cmd.exe 22 PID 1072 wrote to memory of 4768 1072 cmd.exe 22 PID 1072 wrote to memory of 4768 1072 cmd.exe 22
Processes
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C:\Users\Admin\AppData\Local\Temp\2a851d7c8be29c5fc3bcd30329956ffe.exe"C:\Users\Admin\AppData\Local\Temp\2a851d7c8be29c5fc3bcd30329956ffe.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 22162⤵
- Program crash
PID:3344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 19762⤵
- Program crash
PID:4700
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3864 -ip 38641⤵PID:2156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3864 -ip 38641⤵PID:1140