89aadc4e52f6f77752286485116e84772f49288ae9dad5555ae2b86faa26d05f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 06:23

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General

Target

2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe
Size

40KB
MD5

12f820c4525c6e14bea605a85d1ddba9
SHA1

e1302f4242761720c6ec77a2ba613b89a35a6f82
SHA256

89aadc4e52f6f77752286485116e84772f49288ae9dad5555ae2b86faa26d05f
SHA512

f170a1df9d530c06f44edf70ceb98ed440610a21fe9d5ed431ef77ab1bf792c30916af8cc2b6d652099e884d4f19427dfc0ce1ef917e7a000961d5df42fe2fd0
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunKzH15U/EI3:btB9g/WItCSsAGjX7e9N0hunKLYz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014f57-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2484	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe
2484	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2484	2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe	28
PID 2856 wrote to memory of 2484	2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe	28
PID 2856 wrote to memory of 2484	2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe	28
PID 2856 wrote to memory of 2484	2856	2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_12f820c4525c6e14bea605a85d1ddba9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
40KB

MD5
86facc8e5b8239b361d7ad7ce850b45f

SHA1
fbec3a62c2a256a60ddfab9f17718d2c78a092eb

SHA256
b763c815b55e87661dbc8481635ae921639e8501a80baff2bb273cb090e97209

SHA512
9c2bc31afdb93b0e5e1666b99af227b533d4caa7a25175632bead6d4d2dbee909cd646c01cbcfa60afe97510519d86d9cc4920ba820a05fbe9e8df701325ad8a

Download Submit
memory/2484-23-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2856-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2856-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2856-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download