68177901c0fd1ea1e9891a8b82b59c5c742bdd0474da09d909bbce1340f028eb

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 07:34

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General

Target

2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe
Size

96KB
MD5

5ea077ad13a1d4960507e34d132a1f4b
SHA1

29a4b462dc3b2ff615e65aceed16b17518621c2e
SHA256

68177901c0fd1ea1e9891a8b82b59c5c742bdd0474da09d909bbce1340f028eb
SHA512

f0eac74463d946980491dba798a41b78e8ce3354830867a4704a1b2624ee8928076e63266c56988237a7e4ed6db0235f35e045d1c8c2026467e63201e7d22122
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCJ/:26a+2OtEvwDpjtzm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012261-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012261-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2696	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2428	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_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 2428 wrote to memory of 2696	2428	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	28
PID 2428 wrote to memory of 2696	2428	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	28
PID 2428 wrote to memory of 2696	2428	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	28
PID 2428 wrote to memory of 2696	2428	2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ea077ad13a1d4960507e34d132a1f4b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2696

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
96KB

MD5
a2eb123f815ad5fc85d6fe91f0a5e406

SHA1
394fc07d798936394b1aca13265e1df60df36718

SHA256
cc53c718a4dfd0fe57b2a9cd0202802b474ead27dd0f90d0f5f37791f96812b1

SHA512
4a3f415f8648607e09bd76a846b10195ad39640258d2d5a754abb12aa319d5e95ccd9f6de16f6d605097f45518acb723ec5ecbd8af07bd81c31131314e745376

Download Submit
memory/2428-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2428-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2428-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2696-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download