44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3

General

Target

44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe
Size

116KB
MD5

096a7dac7c51efe718f592b295116b30
SHA1

fd13216d580b5e932d6802b1ad01dbe5fdb08903
SHA256

44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3
SHA512

4e95c437696fb96fd7a85791ae8a64650fa37bbe62fa52ac1e1d45085715b9b2e7c9385bad590aa3287e61573fd1217d522fc441f6114ae3021d7dac525a18ef
SSDEEP

3072:Q3vO/soP6c0+gKi6BeLym6MOdcJuvYWjMUk3:iv5oP/gKitLym8tT6

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/0x0008000000005c51-56.dat	aspack_v212_v242
behavioral1/files/0x0008000000005c51-58.dat	aspack_v212_v242
behavioral1/files/0x00080000000126f1-66.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
944	602d1393.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\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\uploadmgr\Parameters\ServiceDll = "C:\\Windows\\system32\\uploadmgr.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SRService\Parameters\ServiceDll = "C:\\Windows\\system32\\SRService.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WmdmPmSp\Parameters\ServiceDll = "C:\\Windows\\system32\\WmdmPmSp.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\PCAudit\Parameters\ServiceDll = "C:\\Windows\\system32\\PCAudit.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\helpsvc\Parameters\ServiceDll = "C:\\Windows\\system32\\helpsvc.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Wmi\Parameters\ServiceDll = "C:\\Windows\\system32\\Wmi.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	602d1393.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\LogonHours\Parameters\ServiceDll = "C:\\Windows\\system32\\LogonHours.dll"	602d1393.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000005c51-56.dat	upx
behavioral1/files/0x0008000000005c51-58.dat	upx
behavioral1/memory/944-60-0x0000000000D60000-0x0000000000D84000-memory.dmp	upx
behavioral1/memory/944-59-0x0000000000D60000-0x0000000000D84000-memory.dmp	upx
behavioral1/files/0x00080000000126f1-66.dat	upx
behavioral1/memory/944-65-0x0000000000D60000-0x0000000000D84000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
944	602d1393.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\LogonHours.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\PCAudit.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\uploadmgr.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\4B5F0500.tmp	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Wmi.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\WmdmPmSp.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Nwsapagent.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\SRService.dll	602d1393.exe
File opened for modification	C:\Windows\SysWOW64\helpsvc.dll	602d1393.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
944	602d1393.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27
PID 1196 wrote to memory of 944	1196	44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe	27

C:\Users\Admin\AppData\Local\Temp\44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe
"C:\Users\Admin\AppData\Local\Temp\44a6670053a69dd734476fdaf0719dd667865d936ee83c852e92aa6658605ee3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\602d1393.exe
  C:\602d1393.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:944

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:\602d1393.exe

Filesize
82KB

MD5
8e6c881967abf02774930f4cf6755601

SHA1
86077448acd999a27ca33d50f1a33b94065b72b1

SHA256
147b26960137e158ad2fa9be13169d8c2a146ccbbc4fb03967b13d6999f2a2c3

SHA512
89aa43958ad6ae326f7ce4cd6c8f78892f03c9767dcd6b1a024602b809218f25cebf25f6482c2d2462942b7b4f0f6ac4bb8264449502dde52f14d51ae7023fd0

Download Submit
C:\602d1393.exe

Filesize
82KB

MD5
8e6c881967abf02774930f4cf6755601

SHA1
86077448acd999a27ca33d50f1a33b94065b72b1

SHA256
147b26960137e158ad2fa9be13169d8c2a146ccbbc4fb03967b13d6999f2a2c3

SHA512
89aa43958ad6ae326f7ce4cd6c8f78892f03c9767dcd6b1a024602b809218f25cebf25f6482c2d2462942b7b4f0f6ac4bb8264449502dde52f14d51ae7023fd0

Download Submit
\Windows\SysWOW64\4B5F0500.tmp

Filesize
82KB

MD5
bc5d71ec330c893428a9dcac513ae47b

SHA1
7b137efe682c809f829801ff903cc7b8664186ba

SHA256
bfed5c342762b4ef6357e8057724f59441e7f94a5b5e28b128dca271b39f5a4a

SHA512
9e0ccd96e1631c1bba8c1bcffa6b733f4bc3e99d861f2a740aa83ae8491d6bae24a8ea1b4d00491150666adfcdb0ba3592746448b66a92bc6719071557f49569

Download Submit
memory/944-67-0x0000000002190000-0x0000000006190000-memory.dmp

Filesize
64.0MB

Download
memory/944-60-0x0000000000D60000-0x0000000000D84000-memory.dmp

Filesize
144KB

Download
memory/944-59-0x0000000000D60000-0x0000000000D84000-memory.dmp

Filesize
144KB

Download
memory/944-65-0x0000000000D60000-0x0000000000D84000-memory.dmp

Filesize
144KB

Download
memory/944-68-0x0000000074A30000-0x0000000074A90000-memory.dmp

Filesize
384KB

Download
memory/944-69-0x0000000074A30000-0x0000000074A90000-memory.dmp

Filesize
384KB

Download
memory/944-70-0x00000000001F0000-0x00000000001FD000-memory.dmp

Filesize
52KB

Download
memory/1196-62-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/1196-61-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1196-64-0x0000000000360000-0x0000000000384000-memory.dmp

Filesize
144KB

Download
memory/1196-63-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/1196-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download

Analysis

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