7410f3de78da375ebcebdeafc10b4f2dace058c50a12cd4e8f4b389aa38ada34

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 16:40

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General

Target

2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe
Size

60KB
MD5

86d7a96fd43893914a620d10975165f1
SHA1

03d7f430f71c9a0d037ea8b676c97f165232f7cb
SHA256

7410f3de78da375ebcebdeafc10b4f2dace058c50a12cd4e8f4b389aa38ada34
SHA512

bb006510f8d9afdd8b3798e066c78af22a3c9ace737437eb21b9f0245f1b559db200cb90ef2051159751ea2d1eb7e9a27dc06154d27c0b71018757bd4061b7da
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHO4:btng54SMLr+/AO/kIhfoKMHdG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2396	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1032	2024-02-19_86d7a96fd43893914a620d10975165f1_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
1032	2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe
2396	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2396	1032	2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe	28
PID 1032 wrote to memory of 2396	1032	2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe	28
PID 1032 wrote to memory of 2396	1032	2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe	28
PID 1032 wrote to memory of 2396	1032	2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_86d7a96fd43893914a620d10975165f1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1032
- 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:2396

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

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

Filesize
60KB

MD5
fd2a2faecb0660801a372077b99f2a97

SHA1
08a55302f78ca76e21bafcfa9be7ed1ae2932dab

SHA256
1b6627972d5c6c874d4d8721d6ab982e4a0eeeacceb95890c0839d1f8453f2d7

SHA512
68e9dd939b70c8938f2d8ba10824b27643b068dc3c4654c8c8b3d0dce99279441f2599eaa9388ccf06a657553a8a5460e8d54df2ba792a12f408eec50abc9f40

Download Submit
memory/1032-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1032-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1032-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2396-17-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download