070159ab14f17777cbaf357a839ff2d44cdb651090058c325d3cd100a92f862f

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 00:23

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General

Target

2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe
Size

36KB
MD5

70a5a2a645061b7b49b72a20cc7b2185
SHA1

e67c76ba1a87c49c9d7dfdf9b22086cf5a04d168
SHA256

070159ab14f17777cbaf357a839ff2d44cdb651090058c325d3cd100a92f862f
SHA512

91773d5d3e19a9e93447c1eabb43a6ddcafed69d393d203b8e292ea5f4627f990f83d5ad8fff11473b6c14d03f019ad8600377a7b94858a777b1ff346616cab1
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRYzMAn:vj+jsMQMOtEvwDpj5HcSYPn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2700	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_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 1932 wrote to memory of 2700	1932	2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe	28
PID 1932 wrote to memory of 2700	1932	2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe	28
PID 1932 wrote to memory of 2700	1932	2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe	28
PID 1932 wrote to memory of 2700	1932	2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_70a5a2a645061b7b49b72a20cc7b2185_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

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\misid.exe

Filesize
36KB

MD5
c143cb8ed82441c8714a1fc5919efb8f

SHA1
c4925054b91cd4dec1fcd677c0f78da53bdbe6b9

SHA256
7a30f61ffc141ececf41b6f13525a249f4bce093fec78dbcc3d0ce5880429fbd

SHA512
4f7a56f28510cfd713f12bc85d4d7fe3b32e5aa792295748dc71792becec303bfed0ee837ff3003ffef7b331e70480540c605a0a03bf6a32ae618c3f02b5c2f6

Download Submit
memory/1932-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1932-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1932-2-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2700-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2700-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download