8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5

General

Target

8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe
Size

116KB
MD5

a0126c733060ad47f2d32b0f76e6ae16
SHA1

233987ceb51c2821065ef5685e166d822722170c
SHA256

8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5
SHA512

4dfbbb15fbc9b1fcf07937a3aa00802ec2b5981d6eeb0d1e34a56d0680bd3c00535816289bd07a9e2110e18a086aa6f13e6afa8e79e9dc7407034b4c53ad5f5b
SSDEEP

1536:QMASiLNFZdO/CLX7SNOJRUo/RhGZr83hYbIg/g1kFeTbigPYv2lps8h+qc4cW7+U:Q3vO/CL2GPr3hYbIg/IEeSEYv2nhu43

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000500000000b2d2-56.dat	aspack_v212_v242
behavioral1/files/0x000500000000b2d2-58.dat	aspack_v212_v242
behavioral1/files/0x0008000000013a09-60.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1148	0df64093.exe

Sets DLL path for service in the registry 2 TTPs 14 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\PCAudit\Parameters\ServiceDll = "C:\\Windows\\system32\\PCAudit.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\helpsvc\Parameters\ServiceDll = "C:\\Windows\\system32\\helpsvc.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SRService\Parameters\ServiceDll = "C:\\Windows\\system32\\SRService.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Wmi\Parameters\ServiceDll = "C:\\Windows\\system32\\Wmi.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WmdmPmSp\Parameters\ServiceDll = "C:\\Windows\\system32\\WmdmPmSp.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\LogonHours\Parameters\ServiceDll = "C:\\Windows\\system32\\LogonHours.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\uploadmgr\Parameters\ServiceDll = "C:\\Windows\\system32\\uploadmgr.dll"	0df64093.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	0df64093.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-56.dat	upx
behavioral1/files/0x000500000000b2d2-58.dat	upx
behavioral1/memory/1148-59-0x00000000010D0000-0x00000000010F4000-memory.dmp	upx
behavioral1/files/0x0008000000013a09-60.dat	upx
behavioral1/memory/1148-66-0x00000000010D0000-0x00000000010F4000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1148	0df64093.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ias.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\SRService.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\318304BC.tmp	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\helpsvc.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\Nwsapagent.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\Wmi.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\WmdmPmSp.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\LogonHours.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\PCAudit.dll	0df64093.exe
File opened for modification	C:\Windows\SysWOW64\uploadmgr.dll	0df64093.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1148	0df64093.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27
PID 1308 wrote to memory of 1148	1308	8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe	27

C:\Users\Admin\AppData\Local\Temp\8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe
"C:\Users\Admin\AppData\Local\Temp\8bfeb93c62f2be6d32e2f1b2dcc84f7eafca7066703d5f91fae10415953c97d5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1308
- C:\0df64093.exe
  C:\0df64093.exe
  2⤵
  - Executes dropped EXE
  - Sets DLL path for service in the registry
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:1148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\0df64093.exe

Filesize
80KB

MD5
c87db531d270dd1c1a3fd2498bb6297c

SHA1
59e7d89efa5aa7ad5599ef663d9eab5d88f8d654

SHA256
4abb11da63415952dde29049990211e6aa0997cff3714fe0d1627140e4dcfb6a

SHA512
1cb3deb8e6116ccc2bf554ac8985de8fb59ad59dcbbb225d3e0f1b1767c21c3c955d1ed7f7e4c7ad8addf760c0351fef98832fa4599c5cbe3a0faf66d9213e36

Download Submit
C:\0df64093.exe

Filesize
80KB

MD5
c87db531d270dd1c1a3fd2498bb6297c

SHA1
59e7d89efa5aa7ad5599ef663d9eab5d88f8d654

SHA256
4abb11da63415952dde29049990211e6aa0997cff3714fe0d1627140e4dcfb6a

SHA512
1cb3deb8e6116ccc2bf554ac8985de8fb59ad59dcbbb225d3e0f1b1767c21c3c955d1ed7f7e4c7ad8addf760c0351fef98832fa4599c5cbe3a0faf66d9213e36

Download Submit
\Windows\SysWOW64\318304BC.tmp

Filesize
80KB

MD5
16439c49df10a13c9127ff79ec0017c7

SHA1
219058771f8b1125e5c8209e1333bdc6aa19761b

SHA256
d0abb63441c7ffdb94ecdff00488154ab8430c066e2d43a537e44baa48da5361

SHA512
dc78606a86cc5fd0e097f9b6c6e811ef7f54278e4f42fba47bc159d221e7aa134ab49455f8d9e3bbcbdf649df4a94e3e9b1232abd668ea2d953763a57679ad2e

Download Submit
memory/1148-67-0x0000000002500000-0x0000000006500000-memory.dmp

Filesize
64.0MB

Download
memory/1148-59-0x00000000010D0000-0x00000000010F4000-memory.dmp

Filesize
144KB

Download
memory/1148-66-0x00000000010D0000-0x00000000010F4000-memory.dmp

Filesize
144KB

Download
memory/1148-68-0x0000000075AF0000-0x0000000075B50000-memory.dmp

Filesize
384KB

Download
memory/1148-69-0x00000000000F0000-0x00000000000FD000-memory.dmp

Filesize
52KB

Download
memory/1148-70-0x0000000075AF0000-0x0000000075B50000-memory.dmp

Filesize
384KB

Download
memory/1308-61-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1308-62-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/1308-63-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/1308-64-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/1308-65-0x0000000000300000-0x0000000000324000-memory.dmp

Filesize
144KB

Download
memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download

Analysis

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