88cd234efaba4ff8a820e143658b9f1421a9c5d541c5de40d6ebc4ce8d0f7b0c

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 20:47

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General

Target

2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe
Size

49KB
MD5

9ebe7970881a7c2ffae4dfad5d2f1f2c
SHA1

d44f3aa0d0e535111c5c2fbcfa8314386f0eee31
SHA256

88cd234efaba4ff8a820e143658b9f1421a9c5d541c5de40d6ebc4ce8d0f7b0c
SHA512

575ff88f22bb55eafb1c76a47c437c4f116e9be1d2cf53606fe3be66ab6670609e2ab2bce1108c8b021754392fa7dcdb9f197aea899b4cc49229ce1dc76b3ab4
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0n3:vj+jsMQMOtEvwDpj5HczerLO04BE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2552	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_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 2692 wrote to memory of 2552	2692	2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe	28
PID 2692 wrote to memory of 2552	2692	2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe	28
PID 2692 wrote to memory of 2552	2692	2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe	28
PID 2692 wrote to memory of 2552	2692	2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_9ebe7970881a7c2ffae4dfad5d2f1f2c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2552

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
49KB

MD5
0223a6c750a3416786180e77c60973df

SHA1
ea499bf08ae933dd7eb98aa443896859e4c14729

SHA256
b2d38f90cea7b7e7bc71d54ad2b9a394490b981d2e306ad4b5566784abe0f676

SHA512
5f2040aec08433e4fe9caa3574150a67d61bb768a2ddd6edab477c02a58e1e336453128ec09791ddeb2900097bc922bcd56f423835817e13b9a51b98a5f8c572

Download Submit
memory/2552-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2692-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2692-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2692-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download