c07b7d878d8e0238fe87c26cf56bec6b1aeea2d0385d161cf44d88b1cf7d2ee3

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 12:39

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General

Target

2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe
Size

50KB
MD5

5e96bc43d730b8f8e677b0646daea362
SHA1

d6b415671328d328bd6a8c47de412f4557244a0f
SHA256

c07b7d878d8e0238fe87c26cf56bec6b1aeea2d0385d161cf44d88b1cf7d2ee3
SHA512

668449dd169698ac3c999fd09923707e6fbc53c195469e658f3adfb587e685faa188e617b5b8f4a4ede861d8edcb6d4db28f8d53de29de5457102a65eccee757
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcXF:X6QFElP6n+gJBMOtEvwDpjBtExmlE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012248-22.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012248-22.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2328	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	2024-03-08_5e96bc43d730b8f8e677b0646daea362_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 1740 wrote to memory of 2328	1740	2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe	28
PID 1740 wrote to memory of 2328	1740	2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe	28
PID 1740 wrote to memory of 2328	1740	2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe	28
PID 1740 wrote to memory of 2328	1740	2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_5e96bc43d730b8f8e677b0646daea362_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2328

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
50KB

MD5
96448ee55e64108daeffda5460e92d5f

SHA1
a1a5cf8c7cdbc63afa546baf4f1b15534a29bf3f

SHA256
d22bdee1f5d23239f4a0cea45f616365ca2a39a231ded0bda3250e3b1143bc3f

SHA512
4460c07a391d9647ffe44ba34b66c07c4aede14ff81a715fe5e3c10ff037c9c0656aeb66148a53f8660765bc948e7277bc5ff663a81d4cd53e7745efe8187388

Download Submit
memory/1740-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1740-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2328-20-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2328-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download