2b1181107cf764cf88a3d46525c3c84626ce47b372b3c2048c6ad0e68d728fa7

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
02/02/2024, 18:36

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General

Target

2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe
Size

82KB
MD5

e169ee57c1ff51548144181344fe44e8
SHA1

c6e16b4d3de97a65204fef67571923a186d4bb41
SHA256

2b1181107cf764cf88a3d46525c3c84626ce47b372b3c2048c6ad0e68d728fa7
SHA512

6f3b475dbe2f6124b1cb011a7cabc2783fa829798b9d0335e3e66ddd8fbaff3bd499040bf5d7b3cecd92f314e246828f210defe232ec68513cbbea866ddde383
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFHB:V6QFElP6n+gMQMOtEvwDpjyaLccVNld

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2432	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
816	2024-02-02_e169ee57c1ff51548144181344fe44e8_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 816 wrote to memory of 2432	816	2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe	28
PID 816 wrote to memory of 2432	816	2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe	28
PID 816 wrote to memory of 2432	816	2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe	28
PID 816 wrote to memory of 2432	816	2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_e169ee57c1ff51548144181344fe44e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

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
82KB

MD5
fe38605d459126677fd3b0c2a0204300

SHA1
90ff0ddddac352e68a1e0a7993be59ae283c9c83

SHA256
941b670ec014a13293396b3bf2ed604c7cfcd1bd64b850fc034b23f5698800bf

SHA512
f19d1722270a25b96e76cd33a2192768b0c4257f96b5ecb59cefc706756b02ff69aed46640970802ddaeabf0555134cb4f2d05c80f14bd7b949d0bd9b6b6c145

Download Submit
memory/816-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/816-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/816-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2432-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2432-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download