c4ef1d6d75d0705679d7c97ae55bc7b46caeff3c5f90a50bdb31cda9eed3af20

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 21:36

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General

Target

2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe
Size

61KB
MD5

ce1751de8fd03362505e6cd6fdd0fdad
SHA1

f33ced3c3f03a951381373ee3fbb7e59503f0bed
SHA256

c4ef1d6d75d0705679d7c97ae55bc7b46caeff3c5f90a50bdb31cda9eed3af20
SHA512

ea6a627e7a500627d0e32c5f36a14666032075dd4b43bdf702e06f890485c980ca8c6890100d3dbae40cc249b63e08f8192b6c3d136651c445a58764df928e7f
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHP:btng54SMLr+/AO/kIhfoKMHd6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2520	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_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
1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe
2520	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2520	1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe	28
PID 1692 wrote to memory of 2520	1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe	28
PID 1692 wrote to memory of 2520	1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe	28
PID 1692 wrote to memory of 2520	1692	2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_ce1751de8fd03362505e6cd6fdd0fdad_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1692
- 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:2520

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
61KB

MD5
031d0e722eb1286f891c5a8357c96df8

SHA1
6753b4dcaa21ef7e8d724d9252efde6e5ea98537

SHA256
60f0ebbbb62747a56e7a85f4c413b8763ca2dd21cb7eda9e0994e526b89e8045

SHA512
95f1ee3ed896b48beb1e57111173cd6a006330f4d384d9bf5230c0fb44a005f0661c49a478b8746c7bf81d232c1c507292d68cfa244796ce1a229c7c0f35ba9b

Download Submit
memory/1692-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1692-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1692-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2520-16-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download