7e52b1a74c0726f3902a7fec0194ec722c49e30809b66dacdfb518e4211f4629

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 21:35

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General

Target

2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe
Size

43KB
MD5

ace08d8e6fe9401909fc7d1e0f95f036
SHA1

8462723472bc9336833cab898452248a5d70e7ea
SHA256

7e52b1a74c0726f3902a7fec0194ec722c49e30809b66dacdfb518e4211f4629
SHA512

385b7bd935c4d754ca730bc4e7fbaea30209be8852f512280ddf1296a0790acd611ff5a3df608bf5ce43e7f58af0980ca13cea0543efd4e549be49108ac6e9ae
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9F:bxNrC7kYo1Fxf3s05rwxbF7YvbX

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001222c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2684	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_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 2260 wrote to memory of 2684	2260	2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe	28
PID 2260 wrote to memory of 2684	2260	2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe	28
PID 2260 wrote to memory of 2684	2260	2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe	28
PID 2260 wrote to memory of 2684	2260	2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_ace08d8e6fe9401909fc7d1e0f95f036_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2684

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\pissa.exe

Filesize
43KB

MD5
a9231ffb0349e5a254cd5db62cc371e9

SHA1
478896f89f4103512536c804ae0785c4ac8f1236

SHA256
73e598c6a46500a56f88fc1d4972a39fac6313c54bcd88b91eb3ada2b8ef8c01

SHA512
5a1fd9a0a2deb3b7ed0df6c0a9307081461f226c03dd63ffe35c6f59d90140ee1caabc7b5dd281eaa8398e9307ac2931f1cda532ec5426839d203ccaeac4ee33

Download Submit
memory/2260-0-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2260-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2260-4-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2684-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2684-19-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download