97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056

General

Target

97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe
Size

120KB
MD5

f67add38f08d559a49dd002228b58e01
SHA1

ab77fb1945192dfd58aa271dcd90df406ac467cf
SHA256

97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056
SHA512

f1e6cca4493ecf53e21e65060d80539ee0d32566376f1fc37740994160a6f5bc5a960e3d794cffc0d6bdaf96f592d7f98c31606ca7a75f5c8c68cbe4947d05af
SSDEEP

1536:rk3eKNkTSdCS1isFqn+kVDX2FrsqtjEieir6rqAXiN3xOJ8yWkpCg8snE38i38uU:w3eVT89qzGFrftLorvXiHu8sE938ulnW

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
488	service939.exe
4476	service939.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	service939.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\service939.exe"	service939.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	service939.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\service939.exe"	service939.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:	service939.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\\service939.exe"	service939.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 920 set thread context of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 488 set thread context of 4476	488	service939.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4476	service939.exe
4476	service939.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe
Token: SeDebugPrivilege	4476	service939.exe
Token: SeDebugPrivilege	4476	service939.exe
Token: SeDebugPrivilege	4476	service939.exe
Token: SeDebugPrivilege	4476	service939.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 920 wrote to memory of 628	920	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	83
PID 628 wrote to memory of 488	628	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	84
PID 628 wrote to memory of 488	628	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	84
PID 628 wrote to memory of 488	628	97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe	84
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 488 wrote to memory of 4476	488	service939.exe	88
PID 4476 wrote to memory of 2664	4476	service939.exe	58
PID 4476 wrote to memory of 2664	4476	service939.exe	58
PID 4476 wrote to memory of 2304	4476	service939.exe	87
PID 4476 wrote to memory of 2304	4476	service939.exe	87

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:2664

C:\Users\Admin\AppData\Local\Temp\97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe
"C:\Users\Admin\AppData\Local\Temp\97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe
  "C:\Users\Admin\AppData\Local\Temp\97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Users\Admin\AppData\Roaming\service939.exe
    -n
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:488
  - - C:\Users\Admin\AppData\Roaming\service939.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:4476

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:2304

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\service939.exe

Filesize
120KB

MD5
f67add38f08d559a49dd002228b58e01

SHA1
ab77fb1945192dfd58aa271dcd90df406ac467cf

SHA256
97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056

SHA512
f1e6cca4493ecf53e21e65060d80539ee0d32566376f1fc37740994160a6f5bc5a960e3d794cffc0d6bdaf96f592d7f98c31606ca7a75f5c8c68cbe4947d05af

Download Submit
C:\Users\Admin\AppData\Roaming\service939.exe

Filesize
120KB

MD5
f67add38f08d559a49dd002228b58e01

SHA1
ab77fb1945192dfd58aa271dcd90df406ac467cf

SHA256
97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056

SHA512
f1e6cca4493ecf53e21e65060d80539ee0d32566376f1fc37740994160a6f5bc5a960e3d794cffc0d6bdaf96f592d7f98c31606ca7a75f5c8c68cbe4947d05af

Download Submit
C:\Users\Admin\AppData\Roaming\service939.exe

Filesize
120KB

MD5
f67add38f08d559a49dd002228b58e01

SHA1
ab77fb1945192dfd58aa271dcd90df406ac467cf

SHA256
97e6d3159aaf33a7d7d8c8541b1adadf1f04b9cf492584b31d0b67a9dfd32056

SHA512
f1e6cca4493ecf53e21e65060d80539ee0d32566376f1fc37740994160a6f5bc5a960e3d794cffc0d6bdaf96f592d7f98c31606ca7a75f5c8c68cbe4947d05af

Download Submit
memory/488-146-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/628-134-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/628-137-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/628-140-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/920-136-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/920-132-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4476-148-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads