0c9b838f363454d3c3c638ffd08f52c8532130aa77c6b4073e77511e737ef546

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 10:36

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General

Target

2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe
Size

127KB
MD5

49f547584ecb8306f826a6c5a541a56d
SHA1

c0688f25565ccca63f0dec8ace8da2ead28bd747
SHA256

0c9b838f363454d3c3c638ffd08f52c8532130aa77c6b4073e77511e737ef546
SHA512

4f8181926a81f3a63232fd9e95d9b3a0a9eee126b55f26f5ce0afda9dba10d3074e33d52fd577a8619020a87dba02dd97ee08a3b1212a14ef13ac02ef26f8851
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBp5:vCA9OtEvwDpj1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1548	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1312	2024-03-08_49f547584ecb8306f826a6c5a541a56d_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 1312 wrote to memory of 1548	1312	2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_49f547584ecb8306f826a6c5a541a56d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1548

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
127KB

MD5
0b336e221d5b4b586215e1d4f09b2e1e

SHA1
ac23c5c2a4ec37209b0853cb53427abdf8d2e1cc

SHA256
2da0a2131a6a6dc843e2ccd19ee3da24af6539a95a1ac10bad67e2f136cf3722

SHA512
b643d76ff70808cd84de1c4f2086447459d281e66fd3d7b0f4bce57b7727f62ee01b6217ca8a18cc41c16ed6ea8c1985f47b7b858b82f021a239fd6300988a4d

Download Submit
memory/1312-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1312-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1312-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1548-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1548-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download