7fe0799965a5f4b3ccc8f57cc056776cadded10d7b8acdcdd77ee06d18fb634a

Analysis

max time kernel
160s
max time network
172s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 20:32

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General

Target

2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe
Size

80KB
MD5

79ede59b2b8c4d3672d0f815d5432d5b
SHA1

0c172b052f6df1474a142d3d0ab1a2f253f05368
SHA256

7fe0799965a5f4b3ccc8f57cc056776cadded10d7b8acdcdd77ee06d18fb634a
SHA512

9d8fa22dfcbafdafab8ae31a56ec9ab52add72f3ebbf843d7cfd49acb23a6f66727adf3a78392a824cbb0ac8347deac3b8f5cd4bb226979efa3153f5d002eb97
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMAu:TCjsIOtEvwDpj5HE/OUHnSMJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2260-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0008000000012254-11.dat	CryptoLocker_rule2
behavioral1/memory/2260-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3012-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3012-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2260-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0008000000012254-11.dat	CryptoLocker_set1
behavioral1/memory/2260-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3012-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3012-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_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 2260 wrote to memory of 3012	2260	2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe	28
PID 2260 wrote to memory of 3012	2260	2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe	28
PID 2260 wrote to memory of 3012	2260	2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe	28
PID 2260 wrote to memory of 3012	2260	2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_79ede59b2b8c4d3672d0f815d5432d5b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
80KB

MD5
86546dd8e9be2e1d3637129bb319dab7

SHA1
7015460276796864eb2f0cefb68c3238c0a4eb74

SHA256
7e0061e95b4db2b19aaaf1e3c3209475381250e4a25e044fcc649185d6568cc8

SHA512
2caf4ff32f7e437c778d15031aafc7ebd2a03eceea48cc0da0a6d2f0286a9ab99b27ab6bbb691525f2281f7d9c668aa11c3ef652793af74f0b7849eb1380f486

Download Submit
memory/2260-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2260-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2260-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2260-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2260-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2260-26-0x0000000002800000-0x000000000280E000-memory.dmp

Filesize
56KB

Download
memory/3012-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3012-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3012-20-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3012-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download