c2a36375b9c43377b79ab7bac246f6c1fb36f5e307ab5b8dfdb89d2ad9192f59

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
24/01/2024, 03:57

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General

Target

2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe
Size

57KB
MD5

df5f21663fae222dc8200dc7162ef067
SHA1

6f38c58da9cd5b75ea456d9e30af37c7111fee23
SHA256

c2a36375b9c43377b79ab7bac246f6c1fb36f5e307ab5b8dfdb89d2ad9192f59
SHA512

c683cf4e48978165cc7dc4a4f197cf126844d538143556dc08226b528ecb73ec0be5ac68ee8c30d574e3144e37a76d93142693291d2729e25546b45c4febe4ed
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwEK:xj+VGMOtEvwDpjubEgywEK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1152-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012252-11.dat	CryptoLocker_rule2
behavioral1/memory/1152-12-0x0000000001DF0000-0x0000000001E00000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1152-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2812-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1152-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000012252-11.dat	CryptoLocker_set1
behavioral1/memory/1152-12-0x0000000001DF0000-0x0000000001E00000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1152-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2812-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1152-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b000000012252-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1152-12-0x0000000001DF0000-0x0000000001E00000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1152-16-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2812-26-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2812	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1152	2024-01-24_df5f21663fae222dc8200dc7162ef067_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 1152 wrote to memory of 2812	1152	2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe	28
PID 1152 wrote to memory of 2812	1152	2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe	28
PID 1152 wrote to memory of 2812	1152	2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe	28
PID 1152 wrote to memory of 2812	1152	2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_df5f21663fae222dc8200dc7162ef067_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2812

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
57KB

MD5
f710cf29b7e569aad1f8c58c358961ac

SHA1
8cf03cbfd8bf822aadbb8159938988c6fe199338

SHA256
80480adcd1a05615be0eb273a1253811ac10d884e90b96906d8cd8f6738b82ee

SHA512
4395eeaa9d988085e306b61f6d31f62c8183d4feb7493a89925a58144f187f56eb19924c8b62ed1761aa7819528fb00c6857495e85c0f063a09d78c314160b0b

Download Submit
memory/1152-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1152-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1152-3-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1152-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1152-12-0x0000000001DF0000-0x0000000001E00000-memory.dmp

Filesize
64KB

Download
memory/1152-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2812-19-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2812-18-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2812-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download