8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9

Analysis

max time kernel
157s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 12:26

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General

Target

8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe
Size

59KB
MD5

da39d0908322c2e582d4fcc63002c940
SHA1

3f64a433aae5630101975c8d414ee4f74f53008e
SHA256

8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9
SHA512

29a0d3ffe9af8b067fde2c0eda624956285ff249ac8f1fa8bb47c2a0dd71f75a01a35f6a94aacb3e46abf24803e884ebbfe231b886dcc215c0f382d483a6de27
SSDEEP

1536:tguQpIlkl7l8lAWJe7o/Ic72fTb9Sqn8/zf:tgdil08DeI27b3Of

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
556	dllhost32.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllwin = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost32.exe"	dllhost32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe
556	dllhost32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe
Token: SeDebugPrivilege	556	dllhost32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
556	dllhost32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 556	1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe	27
PID 1932 wrote to memory of 556	1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe	27
PID 1932 wrote to memory of 556	1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe	27
PID 1932 wrote to memory of 556	1932	8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe	27

C:\Users\Admin\AppData\Local\Temp\8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe
"C:\Users\Admin\AppData\Local\Temp\8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\dllhost32.exe
  "C:\Users\Admin\AppData\Local\Temp\dllhost32.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dllhost32.exe

Filesize
59KB

MD5
da39d0908322c2e582d4fcc63002c940

SHA1
3f64a433aae5630101975c8d414ee4f74f53008e

SHA256
8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9

SHA512
29a0d3ffe9af8b067fde2c0eda624956285ff249ac8f1fa8bb47c2a0dd71f75a01a35f6a94aacb3e46abf24803e884ebbfe231b886dcc215c0f382d483a6de27

Download Submit
C:\Users\Admin\AppData\Local\Temp\dllhost32.exe

Filesize
59KB

MD5
da39d0908322c2e582d4fcc63002c940

SHA1
3f64a433aae5630101975c8d414ee4f74f53008e

SHA256
8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9

SHA512
29a0d3ffe9af8b067fde2c0eda624956285ff249ac8f1fa8bb47c2a0dd71f75a01a35f6a94aacb3e46abf24803e884ebbfe231b886dcc215c0f382d483a6de27

Download Submit
\Users\Admin\AppData\Local\Temp\dllhost32.exe

Filesize
59KB

MD5
da39d0908322c2e582d4fcc63002c940

SHA1
3f64a433aae5630101975c8d414ee4f74f53008e

SHA256
8f71a9ad0317f4b7bb671ee235cef359dd31c5f42d038fcb5761414cd7f6bda9

SHA512
29a0d3ffe9af8b067fde2c0eda624956285ff249ac8f1fa8bb47c2a0dd71f75a01a35f6a94aacb3e46abf24803e884ebbfe231b886dcc215c0f382d483a6de27

Download Submit
memory/556-62-0x0000000074850000-0x0000000074DFB000-memory.dmp

Filesize
5.7MB

Download
memory/556-63-0x0000000000196000-0x00000000001A7000-memory.dmp

Filesize
68KB

Download
memory/556-66-0x0000000074850000-0x0000000074DFB000-memory.dmp

Filesize
5.7MB

Download
memory/556-67-0x0000000000196000-0x00000000001A7000-memory.dmp

Filesize
68KB

Download
memory/1932-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1932-56-0x00000000007F6000-0x0000000000807000-memory.dmp

Filesize
68KB

Download
memory/1932-55-0x0000000074850000-0x0000000074DFB000-memory.dmp

Filesize
5.7MB

Download
memory/1932-64-0x0000000074850000-0x0000000074DFB000-memory.dmp

Filesize
5.7MB

Download
memory/1932-65-0x00000000007F6000-0x0000000000807000-memory.dmp

Filesize
68KB

Download