dbb015a7989a8841c487c5c68a62edbea08988ea7551b139c5b8bc4ab097f1ed

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
16/04/2024, 06:46

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General

Target

2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe
Size

4.5MB
MD5

dbc8e1544f25efe02086c0dcdde6a310
SHA1

2b065923db3f628d416d7eb852ad62f02a0aa0ae
SHA256

dbb015a7989a8841c487c5c68a62edbea08988ea7551b139c5b8bc4ab097f1ed
SHA512

aa7e7c987fc41bb4e0a92274be90a30f4226745f82b3f9ca2c7d9ac8ab5b7d4a038b0dd6d290bc71b375807be26f834bb40eae118b831ad4f78033b3b6f16fa3
SSDEEP

98304:g/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTo:g/ZFIjBzF/ZFIjBzPEUuso

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-12.dat	CryptoLocker_rule2

Detects executables built or packed with MPress PE compressor 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-12.dat	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2392	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2300	2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_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 2300 wrote to memory of 2392	2300	2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe	28
PID 2300 wrote to memory of 2392	2300	2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe	28
PID 2300 wrote to memory of 2392	2300	2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe	28
PID 2300 wrote to memory of 2392	2300	2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2392

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
4.5MB

MD5
145c727a4ff5610ed168fa729e03e569

SHA1
0a2b3a1ac9a2ad63d46a3ac00416aca94aba0d39

SHA256
c690e14c32b5721f6671e6eae28436d93a3157abc145ef4cd18d7c7861571601

SHA512
b658e1a376bdc699e181facbb779f784a55301367c9e554c57c9906569818d60cb25e5ae3c268956bd062d433aed22c42e773d33f29faac642180108d68e0c10

Download Submit
memory/2300-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2300-1-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2300-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2392-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2392-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download