6ebb26a5ec3986e65fe97a69d25cb8295a027500ed6a28654cb82c3af94d1297

Analysis

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

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 16:05

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General

Target

2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe
Size

37KB
MD5

f0e442e3b9dbb1f0f3fb04f835b9cb19
SHA1

77e45166128ee3262748082fae51203135e85300
SHA256

6ebb26a5ec3986e65fe97a69d25cb8295a027500ed6a28654cb82c3af94d1297
SHA512

a3b05061e8258dfcef830f3af838eacbfdee72733682d0399494e0e040bd5fa8be2d22fa88d24adf499b899ee2ae363322a0bbc77d5b8bcc4bff47e1956ad0f5
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4W:fT+hsMQMOtEvwDpjoIHW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2884 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe

pid process

2180 2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2884	misid.exe

pid	process
2180	2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe

description	pid	process	target process
PID 2180 wrote to memory of 2884	2180	2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe	misid.exe
PID 2180 wrote to memory of 2884	2180	2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe	misid.exe
PID 2180 wrote to memory of 2884	2180	2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe	misid.exe
PID 2180 wrote to memory of 2884	2180	2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_f0e442e3b9dbb1f0f3fb04f835b9cb19_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2884

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
37KB

MD5
0d741f6cd98a5859850895363a068b21

SHA1
c1378133292b7ca7235ed2b4a969f3769425b34e

SHA256
4987de63b4341096d7a16a3a3fa5b5af9a05e2487a191bb23cbd4dfeacf977f6

SHA512
941fd8609a0ae6c6bd131b6a8f556dd99e053c2b39c4f5bbb25bdd5db1c113c7578260535c8bade8e7892bd3d1c9c7e994524c51840c30e86230c8787c04d6ff

Download Submit
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download