Analysis
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max time kernel
142s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
08-07-2023 20:26
Static task
static1
Behavioral task
behavioral1
Sample
75f1ef832b4011exeexeexeex.exe
Resource
win7-20230703-en
General
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Target
75f1ef832b4011exeexeexeex.exe
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Size
555KB
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MD5
75f1ef832b4011335293bbaab95cdb6d
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SHA1
e038d7865a4c59dedd6182169afc5cc1a25fba37
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SHA256
e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
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SHA512
99a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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SSDEEP
12288:Zx1Q61iHsXYvfVpMODDawkCurdEtttYYNbpTXCMMxMApMD:ZXQUIsQpMsequrmGEUlxBMD
Malware Config
Signatures
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Trickbot x86 loader 2 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral2/memory/620-144-0x00000000022C0000-0x00000000022EE000-memory.dmp trickbot_loader32 behavioral2/memory/620-146-0x0000000002290000-0x00000000022BC000-memory.dmp trickbot_loader32 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
75f1ef832b4011exeexeexeex.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation 75f1ef832b4011exeexeexeex.exe -
Executes dropped EXE 2 IoCs
Processes:
аНаоすは래별.exeаНаоすは래별.exepid process 620 аНаоすは래별.exe 2136 аНаоすは래별.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
svchost.exedescription pid process Token: SeTcbPrivilege 3488 svchost.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
75f1ef832b4011exeexeexeex.exeаНаоすは래별.exeаНаоすは래별.exepid process 988 75f1ef832b4011exeexeexeex.exe 988 75f1ef832b4011exeexeexeex.exe 620 аНаоすは래별.exe 620 аНаоすは래별.exe 2136 аНаоすは래별.exe 2136 аНаоすは래별.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
75f1ef832b4011exeexeexeex.exeаНаоすは래별.exeаНаоすは래별.exedescription pid process target process PID 988 wrote to memory of 620 988 75f1ef832b4011exeexeexeex.exe аНаоすは래별.exe PID 988 wrote to memory of 620 988 75f1ef832b4011exeexeexeex.exe аНаоすは래별.exe PID 988 wrote to memory of 620 988 75f1ef832b4011exeexeexeex.exe аНаоすは래별.exe PID 620 wrote to memory of 3660 620 аНаоすは래별.exe svchost.exe PID 620 wrote to memory of 3660 620 аНаоすは래별.exe svchost.exe PID 620 wrote to memory of 3660 620 аНаоすは래별.exe svchost.exe PID 620 wrote to memory of 3660 620 аНаоすは래별.exe svchost.exe PID 2136 wrote to memory of 3488 2136 аНаоすは래별.exe svchost.exe PID 2136 wrote to memory of 3488 2136 аНаоすは래별.exe svchost.exe PID 2136 wrote to memory of 3488 2136 аНаоすは래별.exe svchost.exe PID 2136 wrote to memory of 3488 2136 аНаоすは래별.exe svchost.exe -
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:\Users\Admin\AppData\Local\Temp\75f1ef832b4011exeexeexeex.exe"C:\Users\Admin\AppData\Local\Temp\75f1ef832b4011exeexeexeex.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\ProgramData\аНаоすは래별.exe"C:\ProgramData\аНаоすは래별.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵
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C:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exeC:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\аНаоすは래별.exeFilesize
555KB
MD575f1ef832b4011335293bbaab95cdb6d
SHA1e038d7865a4c59dedd6182169afc5cc1a25fba37
SHA256e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
SHA51299a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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C:\ProgramData\аНаоすは래별.exeFilesize
555KB
MD575f1ef832b4011335293bbaab95cdb6d
SHA1e038d7865a4c59dedd6182169afc5cc1a25fba37
SHA256e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
SHA51299a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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C:\ProgramData\аНаоすは래별.exeFilesize
555KB
MD575f1ef832b4011335293bbaab95cdb6d
SHA1e038d7865a4c59dedd6182169afc5cc1a25fba37
SHA256e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
SHA51299a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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C:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exeFilesize
555KB
MD575f1ef832b4011335293bbaab95cdb6d
SHA1e038d7865a4c59dedd6182169afc5cc1a25fba37
SHA256e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
SHA51299a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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C:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exeFilesize
555KB
MD575f1ef832b4011335293bbaab95cdb6d
SHA1e038d7865a4c59dedd6182169afc5cc1a25fba37
SHA256e25adbd589fa5449d34b9fa982e02c156cccb47bdf61ac499356c5aa93ad74b6
SHA51299a4ccc6bcc788296a22d5427e4157d16bd9ed2af600c71be484d1048261b21c8ee6da69f001367ce77e2739aabb1c93fc581cae378457ce0e2975f2a0cdc247
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memory/620-144-0x00000000022C0000-0x00000000022EE000-memory.dmpFilesize
184KB
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memory/620-146-0x0000000002290000-0x00000000022BC000-memory.dmpFilesize
176KB
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memory/620-147-0x0000000010001000-0x0000000010005000-memory.dmpFilesize
16KB
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memory/2136-155-0x0000000000D30000-0x0000000000D31000-memory.dmpFilesize
4KB
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memory/2136-156-0x0000000010000000-0x0000000010005000-memory.dmpFilesize
20KB
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memory/2136-160-0x0000000010000000-0x0000000010005000-memory.dmpFilesize
20KB
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memory/3488-157-0x0000025F78490000-0x0000025F784AE000-memory.dmpFilesize
120KB
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memory/3488-159-0x0000025F78490000-0x0000025F784AE000-memory.dmpFilesize
120KB
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memory/3660-149-0x0000023D2B600000-0x0000023D2B61E000-memory.dmpFilesize
120KB