c2c80bc314034a19028d7ad35040bffefb3a9578e37a33f3ee796c4a0522ced0

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 05:25

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General

Target

2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe
Size

53KB
MD5

1f971893a238a1cd65a006add00c781f
SHA1

054c44271ccae47d178a8a37230965c04a27f29f
SHA256

c2c80bc314034a19028d7ad35040bffefb3a9578e37a33f3ee796c4a0522ced0
SHA512

d523606c860e3fe29da9490a5fa3d6b3ae5fdb479dc81aea0b141f66c2bbfd9683801d00ba1b0e84e135fd911f703e1a554db5e75e0262304d2e6b2da6ccce05
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaklPsu:V6a+pOtEvwDpji

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012280-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012280-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2360	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
836	2024-05-26_1f971893a238a1cd65a006add00c781f_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 836 wrote to memory of 2360	836	2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe	28
PID 836 wrote to memory of 2360	836	2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe	28
PID 836 wrote to memory of 2360	836	2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe	28
PID 836 wrote to memory of 2360	836	2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_1f971893a238a1cd65a006add00c781f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2360

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
53KB

MD5
8d8189d440753489c4bb196fa0ace3db

SHA1
da2ec3bb8313858b132ea2e460235747d9b6a977

SHA256
23b907e7e96fb1cb26b76320aa2c088cec8b7bc195731a0e867eeb1a3184ff50

SHA512
612cbe02bbebe1fb1795a59f5c473c7438578586cc6630736de6a355e45892f865396e205cde2dc41e97ff4498201e31a1afe0173a1083c2092996a74da0fee0

Download Submit
memory/836-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/836-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/836-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2360-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download