2caf1f9853ae1ebfe97fee5715da4c8401a8a5f8348e294ef22387f3f1fbb1a1

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 15:25

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General

Target

2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe
Size

127KB
MD5

07fe8a16eec6055389e0ac54499e810f
SHA1

a4d1b2227e53a2ad3f38b213ca0a575c4603af6b
SHA256

2caf1f9853ae1ebfe97fee5715da4c8401a8a5f8348e294ef22387f3f1fbb1a1
SHA512

0964d33d0977163cf403a9571945382c297013adcbace421febd39037839947dc0c085279c361f31c7922a1a0769124963f9c048d359eb51d8b360d7bdfa1bee
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//i7Q:vCjsIOtEvwDpj5H9YvQd2RN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1888	2024-02-25_07fe8a16eec6055389e0ac54499e810f_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 1888 wrote to memory of 3020	1888	2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe	28
PID 1888 wrote to memory of 3020	1888	2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe	28
PID 1888 wrote to memory of 3020	1888	2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe	28
PID 1888 wrote to memory of 3020	1888	2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_07fe8a16eec6055389e0ac54499e810f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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\misid.exe

Filesize
127KB

MD5
7d3e11c16fba3c88ec75539532e76053

SHA1
304972b61e9f19146c7a8815f0a2f2cac72de58f

SHA256
317be3d340425ead5f285c97f35b566e59d44bd540e4b84ee165d595719a8f72

SHA512
bc4ca02f43b10e04865f86ee577f08e7e836fff63a33c92b3534d16acba9cb8e43e0bc5e20401be711491a93cbb6c1fed65bb4fd2a242a473f7e4513394da387

Download Submit
memory/1888-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1888-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1888-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3020-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download