e12e6497d5705906d2fa99fc06f90367e1dd046ec9124e433a268ca8241e61d1

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 20:22

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General

Target

2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe
Size

59KB
MD5

158424424e87f5d5fa9637808ea83d8d
SHA1

79ea72129b2a10ef86b4e5a3b9409d00ade835a3
SHA256

e12e6497d5705906d2fa99fc06f90367e1dd046ec9124e433a268ca8241e61d1
SHA512

ea67380a5177f14d9fe31c1dc46aa9facc22134b0e92952d342d8367f8d7ea1efa96603bcf54ce87f958e877be4a8bd2f4a83751b016c86bac5820a47a198f76
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMs:TCjsIOtEvwDpj5HE/OUHnSMr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1204-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012251-11.dat	CryptoLocker_rule2
behavioral1/memory/1204-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2608-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2608-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1204-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012251-11.dat	CryptoLocker_set1
behavioral1/memory/1204-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2608-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2608-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2608	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1204	2024-01-23_158424424e87f5d5fa9637808ea83d8d_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 1204 wrote to memory of 2608	1204	2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe	28
PID 1204 wrote to memory of 2608	1204	2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe	28
PID 1204 wrote to memory of 2608	1204	2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe	28
PID 1204 wrote to memory of 2608	1204	2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2608

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
59KB

MD5
c8102581e155fbf12c23f9e27e27deda

SHA1
8fed08cc5d1fa714ff9b93cdb7374ffe889ae486

SHA256
65702a45f93c730b9d819c969700519b6c545e2a766b706956ace4adced3c8c7

SHA512
780ff7f3871d02b92aced99ad4ec6cea83cec9bd7a81813e1c998bb267953269d879bd5ca51564e33766370932f99a0676fed681b7d5eb71ed281fde52c8e222

Download Submit
memory/1204-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1204-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2608-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2608-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2608-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2608-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download