56e861efe17da5887e4834216cad59bca11a6cfe442bb6ed1f8066180a7b9d1f

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 15:52

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General

Target

2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe
Size

33KB
MD5

95e784952c79e1b5bedc33b8c28c9aef
SHA1

b339c4e27d5a8e226cb467f416f8a4e0b0df83e9
SHA256

56e861efe17da5887e4834216cad59bca11a6cfe442bb6ed1f8066180a7b9d1f
SHA512

6d031ee0f4caa00b929a46ff20ed7936cd54b0cc6e07828f87f55a68a55067629c87c81e6852c575064fec0bc6fa4780b753a1781a624db9d553d533d5def92d
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVI:bA74zYcgT/Ekd0ryfjPIunYw2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2820	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2000	2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_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 2000 wrote to memory of 2820	2000	2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe	28
PID 2000 wrote to memory of 2820	2000	2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe	28
PID 2000 wrote to memory of 2820	2000	2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe	28
PID 2000 wrote to memory of 2820	2000	2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-29_95e784952c79e1b5bedc33b8c28c9aef_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2820

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\hasfj.exe

Filesize
33KB

MD5
e74c73ccced3e30b6ddd75a215f5eee3

SHA1
1545f384dbfc7f504a36246f95d96c9b576c5a87

SHA256
04e612afdeed051432e4106b76fa718753847b783576d323906009da3f2fd8bf

SHA512
97a97f3193bf8bf69e2e0d2c1cc7270c4747f65190a109c4432228bdec3e2daa12b276185552acde94c426be8542a6d844579719fdb7cbfa2d0a3960eaa653c4

Download Submit
memory/2000-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2000-1-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2000-8-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2820-16-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2820-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download