Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 18:19
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
General
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Target
tmp.exe
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Size
3.9MB
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MD5
a8001f151c1ce13aac56097a2bf1f789
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SHA1
414d9f4219570bc75eb6e6cf2932c4fb407afa56
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SHA256
7fb411ee3e34e4b79b372b7d2321bf69b46de30c3286edccb7621562caefb60b
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SHA512
9c20f91c378d9559f6e5115857401def02145bb665a4c64f7842175b077bb6406544caa8197c9713f9b22943ffd87405beb809cf0e684c53b934acfe8d421060
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SSDEEP
49152:ZHVpQMSWLLKUmQUSgYaNrb5c90DNQdjK/c0kCs:Z1pjSWL5
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.
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation tmp.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 1356 set thread context of 1544 1356 tmp.exe tmp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 220 powershell.exe 220 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exetmp.exedescription pid process Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 1356 tmp.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
tmp.exedescription pid process target process PID 1356 wrote to memory of 220 1356 tmp.exe powershell.exe PID 1356 wrote to memory of 220 1356 tmp.exe powershell.exe PID 1356 wrote to memory of 220 1356 tmp.exe powershell.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe PID 1356 wrote to memory of 1544 1356 tmp.exe tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\tmp.exeC:\Users\Admin\AppData\Local\Temp\tmp.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ajgs2hqs.lyp.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/220-144-0x00000000054F0000-0x0000000005556000-memory.dmpFilesize
408KB
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memory/220-161-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/220-154-0x0000000005B70000-0x0000000005B8E000-memory.dmpFilesize
120KB
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memory/220-160-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/220-155-0x00000000071D0000-0x000000000784A000-memory.dmpFilesize
6.5MB
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memory/220-139-0x0000000000E20000-0x0000000000E56000-memory.dmpFilesize
216KB
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memory/220-140-0x0000000004D10000-0x0000000005338000-memory.dmpFilesize
6.2MB
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memory/220-156-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/220-142-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/220-143-0x0000000004CA0000-0x0000000004D06000-memory.dmpFilesize
408KB
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memory/220-159-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/220-157-0x0000000006070000-0x000000000608A000-memory.dmpFilesize
104KB
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memory/220-141-0x0000000000E10000-0x0000000000E20000-memory.dmpFilesize
64KB
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memory/1356-138-0x00000000075D0000-0x00000000075F2000-memory.dmpFilesize
136KB
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memory/1356-136-0x0000000005A70000-0x0000000005A80000-memory.dmpFilesize
64KB
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memory/1356-133-0x00000000009F0000-0x0000000000DD4000-memory.dmpFilesize
3.9MB
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memory/1356-158-0x0000000005A70000-0x0000000005A80000-memory.dmpFilesize
64KB
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memory/1356-134-0x0000000005D40000-0x00000000062E4000-memory.dmpFilesize
5.6MB
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memory/1356-137-0x00000000057C0000-0x00000000057CA000-memory.dmpFilesize
40KB
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memory/1356-135-0x0000000005830000-0x00000000058C2000-memory.dmpFilesize
584KB
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memory/1544-165-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
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memory/1544-167-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
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memory/1544-168-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
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memory/1544-169-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
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memory/1544-170-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB