f480331a6a7f6671eb68b12630c22f44ed493f4ca4da30ada3317520965ea08d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 15:54

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General

Target

2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe
Size

67KB
MD5

457d4f166801e836403d7bc3080750ed
SHA1

2692e668d885f411e27010241bf3e0b4686adcc0
SHA256

f480331a6a7f6671eb68b12630c22f44ed493f4ca4da30ada3317520965ea08d
SHA512

c092a85511543976c46eb7f161c237e5f0b5f271863de2fa5dffb7c5c6c2a165ce442809b764c48a84a451def80cf1c0b68e70730208948765dec08d306a1757
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfGyr:TCjsIOtEvwDpj5HE/OUHnSMYQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2104-8-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1912-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001226d-14.dat	CryptoLocker_rule2
behavioral1/memory/1912-24-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2104-8-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1912-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001226d-14.dat	CryptoLocker_set1
behavioral1/memory/1912-24-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1912	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	2024-06-06_457d4f166801e836403d7bc3080750ed_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 2104 wrote to memory of 1912	2104	2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe	28
PID 2104 wrote to memory of 1912	2104	2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe	28
PID 2104 wrote to memory of 1912	2104	2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe	28
PID 2104 wrote to memory of 1912	2104	2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_457d4f166801e836403d7bc3080750ed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1912

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\misid.exe

Filesize
67KB

MD5
767b716061dd2da259851e7d27b69064

SHA1
4775b10e772068ba11a663ad9291b60fef01c129

SHA256
68506621a3440e81643f0a11e7d0991906390c74d567a1eeb1914bf5c84d2741

SHA512
8e0478826345a13f82cf3e82a905b0721545a3a91c25e3990648ebd8df7d0708ac0d21316dc1b539009ba106e5260b886332ee545abd84d9e588f22d24210d89

Download Submit
memory/1912-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1912-17-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1912-24-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2104-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2104-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2104-8-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download