843206764f865e22ea38f5caa7a9b391a6d6727060283927a8b4cedc973c6a0d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 20:22

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General

Target

2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe
Size

83KB
MD5

0072c3edec7f9ae9a9a0aa6d4b161893
SHA1

2fe09ae2560cb791494578e3d503f4b8a30910fb
SHA256

843206764f865e22ea38f5caa7a9b391a6d6727060283927a8b4cedc973c6a0d
SHA512

02bf0570b65015216cc4cfd251d23ab96bc0e01b388bf38547d3264a33a544e1e61112475f1b67849ddf4bbdce48a107fb65febb177ea30c4b51cd1bd8797828
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNlVSLQw:V6a+pOtEvwDpjvpe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

860 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe

pid process

1848 2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
860	asih.exe

pid	process
1848	2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe

description	pid	process	target process
PID 1848 wrote to memory of 860	1848	2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe	asih.exe
PID 1848 wrote to memory of 860	1848	2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe	asih.exe
PID 1848 wrote to memory of 860	1848	2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe	asih.exe
PID 1848 wrote to memory of 860	1848	2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_0072c3edec7f9ae9a9a0aa6d4b161893_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1848

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:860

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
83KB

MD5
55889cca1a1f9cf0c12b419ed8a243f5

SHA1
51d80f62f76f7e0c420c865c384ae88909746db2

SHA256
85064669099522ab1f5003fea23a5094e4a77bc3bff82c79950e522c7427b8ea

SHA512
526d9940f02f656c681744b342bee61a92e9c5f9e9a5a1ac9e9a34d6ae2a8784dae0f7cdf5cfad6a748cc5a00c4a2f241782b6224b3d50e565d2aa5c981a59c7

Download Submit
memory/860-15-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/860-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1848-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1848-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1848-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download