10593242349478280ed240e160cb7333c5f27b4b801a962aea95a8fb4fcac0de

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 16:54

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General

Target

2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe
Size

50KB
MD5

2188ca82dba1154bddc92550bfbe0995
SHA1

babb78165edd0e78cd437db6f7e44879f771f0d2
SHA256

10593242349478280ed240e160cb7333c5f27b4b801a962aea95a8fb4fcac0de
SHA512

483813ed03a7f998f279c0cdb1316137480f7c20d9a4f5b5e82b974d54a45091894d6b265d65e1ec9feb8cf7fbd738190cac8d5cdbeceed2de989b20efde6969
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm06MqV:xj+VGMOtEvwDpjy+viHs7pu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1044-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001232c-11.dat	CryptoLocker_rule2
behavioral1/memory/1044-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2548-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1044-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d00000001232c-11.dat	CryptoLocker_set1
behavioral1/memory/1044-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2548-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/1044-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000d00000001232c-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1044-15-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2548-25-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2548	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1044	2024-06-04_2188ca82dba1154bddc92550bfbe0995_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 1044 wrote to memory of 2548	1044	2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe	28
PID 1044 wrote to memory of 2548	1044	2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe	28
PID 1044 wrote to memory of 2548	1044	2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe	28
PID 1044 wrote to memory of 2548	1044	2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2548

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
50KB

MD5
45664a4f5bd53cf6c716552ad93c298c

SHA1
7f2b668af1d8408f6a21f4892094cc2f35304f49

SHA256
f03b18533dfac511b369bc59096b29d83b4c5e4e54252d459b1f35a75f28acc5

SHA512
db3d86ab9e9308beaa34adc5f3c9e00076e5fa019bddb26ebe10990b6e14bdf5652c06fce6cd4224ed5c848419d61871a00333e8d7e8e8b243681d0667ce67d3

Download Submit
memory/1044-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1044-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1044-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1044-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1044-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2548-17-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2548-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2548-24-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download