a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839

General

Target

a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe
Size

92KB
MD5

63449fad78f9e9e13ee519f9b37e591a
SHA1

f11b49f95ef9714d322b4f912c82e7ed5d18c338
SHA256

a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839
SHA512

e1e0b88ce7116e8becf3d44ea3d3194af582791cfdfba66823b840700cc2bdb4f653713897a3ad13fa30f25d233414219ec119ed49e4ca13c8b5416511479a36
SSDEEP

1536:GT76uMyhLtB3eW7soSYT0hPvbVG/ocUhQoF/WVvVSfU5EhJB:GTqyhnjT0pYQ3QPTo

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4676	service141.exe
4996	service141.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	service141.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\service141.exe"	service141.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	service141.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\service141.exe"	service141.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	service141.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\service141.exe"	service141.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 4676 set thread context of 4996	4676	service141.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4996	service141.exe
4996	service141.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe
Token: SeDebugPrivilege	4996	service141.exe
Token: SeDebugPrivilege	4996	service141.exe
Token: SeDebugPrivilege	4996	service141.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 2304 wrote to memory of 4248	2304	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	80
PID 4248 wrote to memory of 4676	4248	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	81
PID 4248 wrote to memory of 4676	4248	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	81
PID 4248 wrote to memory of 4676	4248	a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe	81
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4676 wrote to memory of 4996	4676	service141.exe	82
PID 4996 wrote to memory of 2524	4996	service141.exe	59
PID 4996 wrote to memory of 2524	4996	service141.exe	59

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:2524

C:\Users\Admin\AppData\Local\Temp\a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe
"C:\Users\Admin\AppData\Local\Temp\a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe
  "C:\Users\Admin\AppData\Local\Temp\a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Users\Admin\AppData\Roaming\service141.exe
    -n
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - C:\Users\Admin\AppData\Roaming\service141.exe
      -n
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Enumerates connected drives
      Modifies WinLogon
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\service141.exe

Filesize
92KB

MD5
63449fad78f9e9e13ee519f9b37e591a

SHA1
f11b49f95ef9714d322b4f912c82e7ed5d18c338

SHA256
a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839

SHA512
e1e0b88ce7116e8becf3d44ea3d3194af582791cfdfba66823b840700cc2bdb4f653713897a3ad13fa30f25d233414219ec119ed49e4ca13c8b5416511479a36

Download Submit
C:\Users\Admin\AppData\Roaming\service141.exe

Filesize
92KB

MD5
63449fad78f9e9e13ee519f9b37e591a

SHA1
f11b49f95ef9714d322b4f912c82e7ed5d18c338

SHA256
a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839

SHA512
e1e0b88ce7116e8becf3d44ea3d3194af582791cfdfba66823b840700cc2bdb4f653713897a3ad13fa30f25d233414219ec119ed49e4ca13c8b5416511479a36

Download Submit
C:\Users\Admin\AppData\Roaming\service141.exe

Filesize
92KB

MD5
63449fad78f9e9e13ee519f9b37e591a

SHA1
f11b49f95ef9714d322b4f912c82e7ed5d18c338

SHA256
a5885afbcac1bb6f36ab672df0e399008d012d53e677f404b3abbde6b0c41839

SHA512
e1e0b88ce7116e8becf3d44ea3d3194af582791cfdfba66823b840700cc2bdb4f653713897a3ad13fa30f25d233414219ec119ed49e4ca13c8b5416511479a36

Download Submit
memory/2304-135-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2304-132-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4248-134-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4248-141-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4248-137-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4676-145-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-148-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads