e33cde1f9394788bb5d15cafa65e72d893e5b7e81ca420f5ddda2f084332b45f

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 15:34

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General

Target

2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe
Size

126KB
MD5

8642fc31587e26fe1753d5d2faf08c76
SHA1

4ecf61ad0fe1797717c5eeff0d1b92df053114e6
SHA256

e33cde1f9394788bb5d15cafa65e72d893e5b7e81ca420f5ddda2f084332b45f
SHA512

5503766a1fc9897b63dfe5c3a1330a9121a3e412c8115473f9045c4d222ed21c15bb38a6386ece030d4bd7d904f75d8b484fd70e6863d217c0469febe5e0531e
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LP:vCjsIOtEvwDpj5H9YvQd2R9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001225c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001225c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2892	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	2024-02-20_8642fc31587e26fe1753d5d2faf08c76_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 2028 wrote to memory of 2892	2028	2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe	28
PID 2028 wrote to memory of 2892	2028	2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe	28
PID 2028 wrote to memory of 2892	2028	2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe	28
PID 2028 wrote to memory of 2892	2028	2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_8642fc31587e26fe1753d5d2faf08c76_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2892

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
126KB

MD5
36fd30dbba03d93aaa431fc1329a3409

SHA1
08722a2781c0b077920dbe816c54ed30e78cf004

SHA256
f26922b062ffd5961836f0343af4972b98291ace957b606c0dd07f5c54ed69bb

SHA512
aac5a8ac288aab5f3cae87f6b31692fb4129933b483393fbab238288367dd64af045fb606dc81b16e9362fc8af9b877aaea16e7d0b818eca436d58479a643bc1

Download Submit
memory/2028-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2028-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2028-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2892-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download