e66111701667b9afbb985d72fe038830c78551d610469f2e67dd065162c385c6

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 11:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe
Size

125KB
MD5

c69830c89eb822bfe794ef9f692c2b24
SHA1

0280d9f8d6efe6c5259c43059eed519cffb25d4b
SHA256

e66111701667b9afbb985d72fe038830c78551d610469f2e67dd065162c385c6
SHA512

acec3134d0fd39f25f36feb7416d0d0318267970d0b83ae1d81a9c7836eff310c60696fbcd325cd37cd33fe007e7d628ffeeabff06544c49758b19c91d055dd2
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//L0:vCjsIOtEvwDpj5H9YvQd2RS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2848	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	2024-01-28_c69830c89eb822bfe794ef9f692c2b24_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 1972 wrote to memory of 2848	1972	2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe	28
PID 1972 wrote to memory of 2848	1972	2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe	28
PID 1972 wrote to memory of 2848	1972	2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe	28
PID 1972 wrote to memory of 2848	1972	2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_c69830c89eb822bfe794ef9f692c2b24_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2848

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
125KB

MD5
3e28787e01b135de8b00801fd8ebaeec

SHA1
f27393c12ce32f9f6d8d3a6d46a43df181f37e21

SHA256
4556eaaa347bf1b68fdd00a62803ea06401b2ca6f2e17a66b67de6c59b24f7b5

SHA512
9e67e6731da6b8ab4150794594f7bec037fdf418362bccdcb78f8b2b309cb792cd0d7f1281e85e3b5545ea87c231e742cd022eecb2fbb9d1bc72b453fc1787d2

Download Submit
memory/1972-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1972-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1972-4-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2848-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2848-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download