6eae95c6b6a21a39035e2816b40778610ca8d1c747a6af97935ea95408d6c2c0

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 04:37

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General

Target

2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe
Size

48KB
MD5

4dc90cd97918cf06c09a3af83050bb7a
SHA1

58a8068d45a3111f724f9c5b4d69f8f3a13befa7
SHA256

6eae95c6b6a21a39035e2816b40778610ca8d1c747a6af97935ea95408d6c2c0
SHA512

d502b0f20c21dfeba9f1311f318fdf0a273ae9cd48b7cf8a4a89980fe265b71d03399819c784bcfa8674da9dac9ead0fc3533719d4140b21860029018bd52414
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPck:P6QFElP6k+MRQMOtEvwDpjBQpVXE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2056-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001226b-11.dat	CryptoLocker_rule2
behavioral1/memory/2056-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2972-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2972-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2056-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d00000001226b-11.dat	CryptoLocker_set1
behavioral1/memory/2056-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2972-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2972-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2972	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_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 2056 wrote to memory of 2972	2056	2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe	28
PID 2056 wrote to memory of 2972	2056	2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe	28
PID 2056 wrote to memory of 2972	2056	2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe	28
PID 2056 wrote to memory of 2972	2056	2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

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
48KB

MD5
d0e8503e60472c12f437f1748a15252b

SHA1
14870b994c6f7262f8bfc0bf58df4623d805387e

SHA256
a5c65e58d6645da5912c51ed6e64d52083c0015fcf1fa9a714582d79b0d9a447

SHA512
858819c3417f70c2b00e7070adf2194e569133006a05ec967e2b28443f14601f88377ec10ea6c4ae631c0f8e3943826e652e93b24a42794d0eb7aa0278eaafd1

Download Submit
memory/2056-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2056-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2056-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2056-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2056-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2972-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2972-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2972-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download