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 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0007000000005c50-57.dat	aspack_v212_v242
behavioral1/files/0x00080000000142a6-62.dat	aspack_v212_v242
behavioral1/files/0x0007000000005c50-61.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
604	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\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.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\PCAudit\Parameters\ServiceDll = "C:\\Windows\\system32\\PCAudit.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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.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\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	7a967891.exe
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\LogonHours\Parameters\ServiceDll = "C:\\Windows\\system32\\LogonHours.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\SRService\Parameters\ServiceDll = "C:\\Windows\\system32\\SRService.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\uploadmgr\Parameters\ServiceDll = "C:\\Windows\\system32\\uploadmgr.dll"	7a967891.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	7a967891.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1472-54-0x0000000001040000-0x0000000001079000-memory.dmp	upx
behavioral1/files/0x0007000000005c50-57.dat	upx
behavioral1/memory/604-59-0x0000000000CD0000-0x0000000000CF4000-memory.dmp	upx
behavioral1/memory/604-60-0x0000000000CD0000-0x0000000000CF4000-memory.dmp	upx
behavioral1/files/0x00080000000142a6-62.dat	upx
behavioral1/files/0x0007000000005c50-61.dat	upx
behavioral1/memory/604-65-0x0000000000CD0000-0x0000000000CF4000-memory.dmp	upx
behavioral1/memory/604-67-0x0000000074EA0000-0x0000000074F00000-memory.dmp	upx
behavioral1/memory/1472-69-0x0000000001040000-0x0000000001079000-memory.dmp	upx
behavioral1/memory/1472-68-0x0000000001040000-0x0000000001079000-memory.dmp	upx
behavioral1/memory/1472-74-0x0000000001040000-0x0000000001079000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
604	7a967891.exe

Drops file in System32 directory 16 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\uploadmgr.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\LogonHours.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\PCAudit.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\45A00584.tmp	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Wmi.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\helpsvc.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\SRService.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	7a967891.exe
File opened for modification	C:\Windows\SysWOW64\4A860584.tmp	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
604	7a967891.exe
1472	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 604	1472	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	26
PID 1472 wrote to memory of 604	1472	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	26
PID 1472 wrote to memory of 604	1472	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	26
PID 1472 wrote to memory of 604	1472	0f090f139096ab36810df40340799fa15b67619017270f48baaf27221fa905fd.exe	26

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:1472
- C:\7a967891.exe
  C:\7a967891.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:604

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

Loading Replay Monitor...

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
\Windows\SysWOW64\45A00584.tmp

Filesize
81KB

MD5
efaf940a9b76c4ea33cf0af19205e5fb

SHA1
7a114421d7e9083a9d58682cc2d1234faf3cf152

SHA256
faa8fa798504958a432ac7c9c32466561ea09aa052722e479ef5140b62ef507d

SHA512
57e93b7ec818afa2f77ea453b54a12873bfe9f70d887aa1ce67c66d80a06db2d4a6480c38dbc30b28e20064536cc671d2fb3df48cc89550619a3d0717558f09c

Download Submit
memory/604-65-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download
memory/604-66-0x0000000002100000-0x0000000006100000-memory.dmp

Filesize
64.0MB

Download
memory/604-59-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download
memory/604-70-0x0000000074EA0000-0x0000000074F00000-memory.dmp

Filesize
384KB

Download
memory/604-60-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download
memory/604-67-0x0000000074EA0000-0x0000000074F00000-memory.dmp

Filesize
384KB

Download
memory/1472-69-0x0000000001040000-0x0000000001079000-memory.dmp

Filesize
228KB

Download
memory/1472-54-0x0000000001040000-0x0000000001079000-memory.dmp

Filesize
228KB

Download
memory/1472-64-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download
memory/1472-68-0x0000000001040000-0x0000000001079000-memory.dmp

Filesize
228KB

Download
memory/1472-63-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download
memory/1472-71-0x0000000002480000-0x0000000006480000-memory.dmp

Filesize
64.0MB

Download
memory/1472-72-0x0000000002480000-0x0000000006480000-memory.dmp

Filesize
64.0MB

Download
memory/1472-55-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1472-74-0x0000000001040000-0x0000000001079000-memory.dmp

Filesize
228KB

Download
memory/1472-75-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing