eecea0b1a937ba3446d3cacb97584fbc0151d5b28e11a1f50a02208e367d48f8

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 04:08

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General

Target

2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe
Size

30KB
MD5

ff8632f5d42e78758a2f008c068ebe31
SHA1

d7bc3f8d7bfe6e3535a1685370e6304ef35e7a8e
SHA256

eecea0b1a937ba3446d3cacb97584fbc0151d5b28e11a1f50a02208e367d48f8
SHA512

e7e775b3d8078b0c2b689dacab9aa295071861acc80ba4d92489561ca560af1c31c25ffa3c915745c9fda41f89f97fec74ec09f8d057a1b3d94af64fe15956e4
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ5STVnTD:bA74zYcgT/Ekd0ryfjQRSnWVTD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001223f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2052	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	2024-03-26_ff8632f5d42e78758a2f008c068ebe31_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 2012 wrote to memory of 2052	2012	2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe	28
PID 2012 wrote to memory of 2052	2012	2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe	28
PID 2012 wrote to memory of 2052	2012	2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe	28
PID 2012 wrote to memory of 2052	2012	2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_ff8632f5d42e78758a2f008c068ebe31_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2052

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\hasfj.exe

Filesize
30KB

MD5
db962f1830ed836dcabb0affa53bc873

SHA1
83bcbd0f041d425bce333107fc8e8642e9a45e59

SHA256
8c3b7641906155caa969247ba59fa3923dd5f575e70026791e7f363795fc9784

SHA512
9a35d06b8c050c1c2d9a833af174a665ba63a7cfca1cc7a9eeb3c2d0c25aad487f826e072b57e2d6265742a6dcc61d9119c6d1e107f1583db2f87df1669f6cab

Download Submit
memory/2012-0-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2012-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2052-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2052-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download