c59a27fd4713dd90ce9591eea5a70cd67db339c494e9c6ee833d2438feac4f17

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
25-01-2024 08:28

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General

Target

2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe
Size

78KB
MD5

52d8186ae7c399bbaf42169898092629
SHA1

8bdc8bda668e06eb7023e20cebcdf49b3f7d0f62
SHA256

c59a27fd4713dd90ce9591eea5a70cd67db339c494e9c6ee833d2438feac4f17
SHA512

2f427a0e0f219bfb047231ad5c5ebd5aa5a9cd1ae568b0f74d5158419af54057fb5e974e8afd507920f4651c490a47646f6caf9bd23914b469064b994516b670
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHFp:vCjsIOtEvwDpj5H9YvQd2/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1972	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	2024-01-25_52d8186ae7c399bbaf42169898092629_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 1992 wrote to memory of 1972	1992	2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe	28
PID 1992 wrote to memory of 1972	1992	2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe	28
PID 1992 wrote to memory of 1972	1992	2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe	28
PID 1992 wrote to memory of 1972	1992	2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_52d8186ae7c399bbaf42169898092629_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1972

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
78KB

MD5
15a8602589cb761ddaff59ea9cc1414c

SHA1
7ee0235c0feb320abd4bc46837352211c7b82bba

SHA256
6e7b5e9a228908e355a782a381641cb6aae49b0698754728871524beb8fbe4e9

SHA512
42bac1c0f6eeaa22fea571fcc20dafc67b41e9876d9158c358833011ce7afd08bb9b04b068998e2199fb2bf43cb3dc1a66bf892441c027781d081099c8e7b78d

Download Submit
memory/1972-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1972-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1992-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1992-7-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download