0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd

General

Target

0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe
Size

163KB
MD5

a17d65dc6cef4f486d205af380b99ca0
SHA1

c55de01173c2b517f7018b7ffc45b0161ad846c9
SHA256

0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd
SHA512

1aa534fe6bb989e9f3d7d37cfc2f9a16f264fbd0d606e40e7e5a53932fc0b95a91beffc24d3ab66440eb30d796804f965c1dc78ebe206cf65de66c7f81ebe8d4
SSDEEP

3072:LzLi6OaU/EmwVan5rUXznzLi6OaU/EmwVan5rUXz:3LUj5AXHLUj5AX

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000200000001e72a-133.dat	aspack_v212_v242
behavioral2/files/0x000200000001e72a-134.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3868	7a967891.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\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Wmi\Parameters\ServiceDll = "C:\\Windows\\system32\\Wmi.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\LogonHours\Parameters\ServiceDll = "C:\\Windows\\system32\\LogonHours.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WmdmPmSp\Parameters\ServiceDll = "C:\\Windows\\system32\\WmdmPmSp.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\PCAudit\Parameters\ServiceDll = "C:\\Windows\\system32\\PCAudit.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SRService\Parameters\ServiceDll = "C:\\Windows\\system32\\SRService.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\helpsvc\Parameters\ServiceDll = "C:\\Windows\\system32\\helpsvc.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\uploadmgr\Parameters\ServiceDll = "C:\\Windows\\system32\\uploadmgr.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.dll"	7a967891.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000001e72a-133.dat	upx
behavioral2/files/0x000200000001e72a-134.dat	upx
behavioral2/memory/3868-135-0x0000000000820000-0x0000000000844000-memory.dmp	upx
behavioral2/memory/3868-136-0x0000000000820000-0x0000000000844000-memory.dmp	upx
behavioral2/memory/2200-137-0x0000000000150000-0x0000000000189000-memory.dmp	upx
behavioral2/memory/3868-138-0x0000000000820000-0x0000000000844000-memory.dmp	upx
behavioral2/memory/2200-140-0x0000000000150000-0x0000000000189000-memory.dmp	upx
behavioral2/memory/2200-141-0x0000000000150000-0x0000000000189000-memory.dmp	upx
behavioral2/memory/2200-144-0x0000000000150000-0x0000000000189000-memory.dmp	upx

Drops file in System32 directory 16 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Nla.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\helpsvc.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Nwsapagent.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\WmdmPmSp.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\uploadmgr.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\42670BDC.tmp	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\SRService.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\LogonHours.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\64B70BDC.tmp	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Wmi.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\PCAudit.dll	7a967891.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3868	7a967891.exe
3868	7a967891.exe
2200	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe
2200	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 3868	2200	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	80
PID 2200 wrote to memory of 3868	2200	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	80
PID 2200 wrote to memory of 3868	2200	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	80

C:\Users\Admin\AppData\Local\Temp\0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe
"C:\Users\Admin\AppData\Local\Temp\0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2200
- C:\7a967891.exe
  C:\7a967891.exe
  2⤵
  - Executes dropped EXE
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:3868

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:\7a967891.exe

Filesize
81KB

MD5
947dfd23b9d1fb9d0d281bf6eaa1037b

SHA1
c814dbc75bd66450f1955d482b01447b9f640522

SHA256
9938bf5fce7f4742d3fe9bc1562a32f4ceaf9fc688023f8c1c6eee80184dc51b

SHA512
ed134aab47cb37fa36f710e33cd6745f4461d6d9cd842ea03900c884b218a2af8dde1bb39dcaf54629da3cd8e22274d5cadfe6773732be5b4ea1762a43f2030c

Download Submit
C:\7a967891.exe

Filesize
81KB

MD5
947dfd23b9d1fb9d0d281bf6eaa1037b

SHA1
c814dbc75bd66450f1955d482b01447b9f640522

SHA256
9938bf5fce7f4742d3fe9bc1562a32f4ceaf9fc688023f8c1c6eee80184dc51b

SHA512
ed134aab47cb37fa36f710e33cd6745f4461d6d9cd842ea03900c884b218a2af8dde1bb39dcaf54629da3cd8e22274d5cadfe6773732be5b4ea1762a43f2030c

Download Submit
memory/2200-140-0x0000000000150000-0x0000000000189000-memory.dmp

Filesize
228KB

Download
memory/2200-144-0x0000000000150000-0x0000000000189000-memory.dmp

Filesize
228KB

Download
memory/2200-143-0x0000000002E90000-0x0000000006E90000-memory.dmp

Filesize
64.0MB

Download
memory/2200-137-0x0000000000150000-0x0000000000189000-memory.dmp

Filesize
228KB

Download
memory/2200-141-0x0000000000150000-0x0000000000189000-memory.dmp

Filesize
228KB

Download
memory/3868-135-0x0000000000820000-0x0000000000844000-memory.dmp

Filesize
144KB

Download
memory/3868-139-0x00000000023A0000-0x00000000063A0000-memory.dmp

Filesize
64.0MB

Download
memory/3868-138-0x0000000000820000-0x0000000000844000-memory.dmp

Filesize
144KB

Download
memory/3868-136-0x0000000000820000-0x0000000000844000-memory.dmp

Filesize
144KB

Download

Analysis

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