37763aaffc9e1b7ca07f809f7725e2cebce7f5a6a84ec246eb8749cc319fc89d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 03:28

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General

Target

2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe
Size

62KB
MD5

2ada173185a53d2ce35963b2ce6a9764
SHA1

84579f63d00c72ed606dea33c28dabac930422ef
SHA256

37763aaffc9e1b7ca07f809f7725e2cebce7f5a6a84ec246eb8749cc319fc89d
SHA512

299aadb64b536ec63d72820546263103339b3ac2ab6078d9a6e9ac7aaa0fa9292e47879ff7a8471b3ba7903d2219515e54b61cab7456daa2c55012be22e6b684
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9x:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWTk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1752-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0009000000016a29-11.dat	CryptoLocker_rule2
behavioral1/memory/1752-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3036-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1752-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0009000000016a29-11.dat	CryptoLocker_set1
behavioral1/memory/1752-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3036-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3036	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	2024-06-02_2ada173185a53d2ce35963b2ce6a9764_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 1752 wrote to memory of 3036	1752	2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe	28
PID 1752 wrote to memory of 3036	1752	2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe	28
PID 1752 wrote to memory of 3036	1752	2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe	28
PID 1752 wrote to memory of 3036	1752	2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_2ada173185a53d2ce35963b2ce6a9764_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

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
62KB

MD5
f37b66b9e5e1a7067027ef1813193b36

SHA1
22096b0e6ae0f34062b948615cba8c142076e6a8

SHA256
f502309ee23d37e0740f7bcbefa3b3d35fc67dd81cbcd8153e11103a1b2be125

SHA512
57f789ed41cbfcd05e42eb1fdd3226f7e99e025b1358f2219e1d6f979b4a9e598f04d1955b82f8649bf108394261ea81c1b27def75a697333b3eac5dfb0aa45a

Download Submit
memory/1752-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1752-1-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1752-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1752-9-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1752-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3036-17-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3036-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3036-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download