1a8cc06a7133f7d356c4d6b86d71157f339feef99ec5dc7789273ff83f5730c7

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 19:28

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General

Target

2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe
Size

46KB
MD5

2c0d040453588ba8f73b651dd7b305e8
SHA1

ded1c25016cdb58e3c499a2141ba981d646678cc
SHA256

1a8cc06a7133f7d356c4d6b86d71157f339feef99ec5dc7789273ff83f5730c7
SHA512

ed63e72fcd91a6d83af7d3cac635a907bc660d5b7a6988a14bab14edddf7600b6038a89afa0593072ee2aa7fe6f3692c74f1f593aa296e4c2dfd2e7cb24c4eaa
SSDEEP

384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/BdK:XS5nQJ24LR1bytOOtEvwDpjNbP/bK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012257-11.dat	CryptoLocker_rule2
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2176-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2176-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2176-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2176-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b000000012257-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2176-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2176-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2176	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	2024-03-08_2c0d040453588ba8f73b651dd7b305e8_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 2408 wrote to memory of 2176	2408	2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe	28
PID 2408 wrote to memory of 2176	2408	2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe	28
PID 2408 wrote to memory of 2176	2408	2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe	28
PID 2408 wrote to memory of 2176	2408	2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_2c0d040453588ba8f73b651dd7b305e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2176

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
46KB

MD5
80a572072471e19d344b33f19764314a

SHA1
59511db25b623f7d4a7e8107768d53ffb431ff9e

SHA256
42cab56855d93625cc53f081e402f9618ab3c3b0bca9a45e779b4b5cfc71310b

SHA512
91abdfc4ce90da68747ad45bacce0c7f9c48ea08ceb81e1ead36cca67057911661121904486116f6e096d98245d54861a055adb5902d9da817b55ed225cd832f

Download Submit
memory/2176-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2176-19-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2176-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2408-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2408-3-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2408-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2408-16-0x0000000001DD0000-0x0000000001DDF000-memory.dmp

Filesize
60KB

Download