ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164

General

Target

ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Size

75KB
MD5

1fe48d9f38359fd9789c9ce33e04527f
SHA1

0e66ee220a59c21777879c6f6142cd42dbb0f607
SHA256

ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164
SHA512

960c0a4e72e16ec4cbbb6a160f733b3d77c2365174736d86521181052ca85eb0dd4ec040eb3c9de5ef9aabe3d2e311be2f3ea6ea4371730fe8a5369b720d2e56
SSDEEP

1536:1x1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3B:fOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPp

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023bc7-9.dat	UPX
behavioral2/memory/1200-17-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/files/0x0007000000022a9c-19.dat	UPX
behavioral2/memory/1200-22-0x0000000010000000-0x000000001000D000-memory.dmp	UPX
behavioral2/memory/1188-24-0x0000000000400000-0x0000000000409000-memory.dmp	UPX
behavioral2/memory/4332-35-0x0000000010000000-0x000000001000D000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000b000000023bc7-9.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
1188	ctfmen.exe
4332	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
4332	smnss.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	smnss.exe

Maps connected drives based on registry 3 TTPs 6 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	smnss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	smnss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File created	C:\Windows\SysWOW64\smnss.exe	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File created	C:\Windows\SysWOW64\grcopy.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
File created	C:\Windows\SysWOW64\satornas.dll	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
484	4332	WerFault.exe	93

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	smnss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1188	1200	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe	92
PID 1200 wrote to memory of 1188	1200	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe	92
PID 1200 wrote to memory of 1188	1200	ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe	92
PID 1188 wrote to memory of 4332	1188	ctfmen.exe	93
PID 1188 wrote to memory of 4332	1188	ctfmen.exe	93
PID 1188 wrote to memory of 4332	1188	ctfmen.exe	93

C:\Users\Admin\AppData\Local\Temp\ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
"C:\Users\Admin\AppData\Local\Temp\ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\SysWOW64\smnss.exe
    C:\Windows\system32\smnss.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    PID:4332
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 1344
      4⤵
      Program crash
      PID:484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4332 -ip 4332
1⤵
PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
c1523b6ac7e805b5ca37e6ed898c139e

SHA1
9af3fd087389d5bb5d7f3464d297c72a41ab5fa0

SHA256
bdf063d91157684a3156803340646243e6976a9186616646a71465ad13a027b4

SHA512
0c27067658e7ddcb2dc9154d6af7140f35431e430efb3e4799a54fc54aacbed0c85e00f471d06ff2fcd97089ffcfa10df0da86c2fad97171488018d153fea556

Download Submit
C:\Windows\SysWOW64\grcopy.dll

Filesize
75KB

MD5
530daacf0c39ed378f0527d3447b8787

SHA1
b208d719aa933ae2c303eafd758b6e77cd4059e7

SHA256
d939c3cd6fb53e595a2912dcdc1a98759a5f0c0fc5ed206e36fe5a7f20f07b26

SHA512
3027291291ba27c929ff38dc1c0a6977fd6d5e5a2fb9fa3ed3a03ad46fdf607c514294c241bc29ad2a0e5e7993589a805ef1e66381fba20440a282ef32f1a60b

Download Submit
C:\Windows\SysWOW64\satornas.dll

Filesize
183B

MD5
0bcf3642cbb35e9af9a4fbcbbece063d

SHA1
4435ba9fa4db3aff251aa4883aeff3918875686f

SHA256
9080653834968a2eda2b6f7217d6b48b24d03a101bb06ba7bd60af176ea14c75

SHA512
fd21427355ccd5f53122ae055a6d1e57bbc543b1494f53cd96e6831d7b84b08bbebdda70050fb3e046274aac61bbe3eaf5198d4cbe2df0eea719663b034afb81

Download Submit
C:\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
30a55a68fe7f1c5c9986ab664115e01b

SHA1
f8e02ae8ea5d55e7dc2f0acd537685a67bde2da3

SHA256
7a58add4ccad3f08425b64e1d1d40b3bdc2c9256e93e06329a540fc190dc65c4

SHA512
70dbeae7b1323fb3d9c47ca8f6bbb2a0d6f3456d7130516a127da004c0a5420747ef48d78b273c7ae99bbdd8f02ac9f829cbd552891aacca2b06326f27c30541

Download Submit
memory/1188-24-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1200-17-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1200-20-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1200-22-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4332-35-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/4332-36-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads