f3ee1c50f9e547d7a23d540458cd3163ddf9d7ecc9df3e0051634f15536269e9

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 02:26

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General

Target

2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe
Size

74KB
MD5

0d50839689a1e23283d3d8e43a6e6193
SHA1

be97c841877b5350da41ba50271eefb5ac8556c4
SHA256

f3ee1c50f9e547d7a23d540458cd3163ddf9d7ecc9df3e0051634f15536269e9
SHA512

14c5cf93bc6ee2f93dfd3ed41e8e255ede884a12d5723c84655c5f72c07476f8ba984dce11d7a514c2d14c846de0ae1acbdd0c7bf80ca7cdd9d8bd7e371255b2
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sX:X6a+SOtEvwDpjBZYvQd2M

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2684	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2488	2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2684	2488	2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe	28
PID 2488 wrote to memory of 2684	2488	2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe	28
PID 2488 wrote to memory of 2684	2488	2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe	28
PID 2488 wrote to memory of 2684	2488	2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_0d50839689a1e23283d3d8e43a6e6193_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2684

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\asih.exe

Filesize
74KB

MD5
7122e99d3c88e7ddd5340765a08404b7

SHA1
3e545019e2a28adfadb8f83b1e23e34cfd2b3832

SHA256
5f3a1283b8e4b068564e4e65a13575eb3de22dc97de416830c222fdbeb1f129d

SHA512
c8f6fc9ffe4457628486dd2698d0b7c82669efff2a9938a8722eb5f0524acc3203cb975f0560a616683f64ca76c70e89269170769ffee052923817efe08a37ce

Download Submit
memory/2488-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2488-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2488-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2684-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2684-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download