d7bf4ab9d33b0bf92042c89ddfc52ab85f9298a8edfaba1640aa3c5a8e7b249e

Analysis

max time kernel
149s
max time network
163s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 11:43

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General

Target

2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe
Size

43KB
MD5

96f3ab8c3dc0a5e9494a435d431be9f2
SHA1

57bedeed3c74de5325835d3fc9a9640641f13d7c
SHA256

d7bf4ab9d33b0bf92042c89ddfc52ab85f9298a8edfaba1640aa3c5a8e7b249e
SHA512

19090495769795e82d46d892202913e01e9a8dc7907adbd3eba1e0b1efcfe06e0900d1f00c1e4e540db2223416c0e9a859789069b44dca80e569838bb7046923
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPN:P6QFElP6k+MRQMOtEvwDpjBQpVXs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/856-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d0000000122f1-11.dat	CryptoLocker_rule2
behavioral1/memory/856-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3044-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3044-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/856-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d0000000122f1-11.dat	CryptoLocker_set1
behavioral1/memory/856-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3044-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3044-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3044	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
856	2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_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 856 wrote to memory of 3044	856	2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe	28
PID 856 wrote to memory of 3044	856	2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe	28
PID 856 wrote to memory of 3044	856	2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe	28
PID 856 wrote to memory of 3044	856	2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_96f3ab8c3dc0a5e9494a435d431be9f2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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\asih.exe

Filesize
43KB

MD5
e25d608c258f2848bac562710307de08

SHA1
8768dd45d6709332c3ce914ae6b4dc3b01ca3bbb

SHA256
2aeabbd182d788c40cbbe21043b63d74d30072f58635b35953bd555391bb2d28

SHA512
67a60135307fdf3ab11daf5a44fa2f248b4e59f47f95983b5d1064e1ea8edc4c61c3aa72cf363fd20c1ddc1277722a954d34c46b3d968736caea80be71d922a9

Download Submit
memory/856-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/856-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/856-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/856-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/856-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3044-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3044-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3044-21-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3044-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download