ae22fbe81e0a4ba8e5c0d5ae5d1cfdf65b929aa9cef81fa7f5d2d7af42df0062

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:24

Target

2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe
Size

42KB
MD5

1dc15c2bc696e4285557bd112dc78cd8
SHA1

c31be27d08e0e566cfff7b3ac4755a556560a30b
SHA256

ae22fbe81e0a4ba8e5c0d5ae5d1cfdf65b929aa9cef81fa7f5d2d7af42df0062
SHA512

af1f93c0cf8d4daf86294ffc73accd159ffb86730cd9f4f912b68af05bc0dbbab78fa4cdaebf7b9ec9b1e28376da5e5e68f7e84f0c0c1f19c4f95bd3fd9c8f46
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7xLr:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7x

Score

9^/10

Detection of CryptoLocker Variants 1 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2768 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe

pid process

2064 2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2768	misid.exe

pid	process
2064	2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe

description	pid	process	target process
PID 2064 wrote to memory of 2768	2064	2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe	misid.exe
PID 2064 wrote to memory of 2768	2064	2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe	misid.exe
PID 2064 wrote to memory of 2768	2064	2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe	misid.exe
PID 2064 wrote to memory of 2768	2064	2024-05-23_1dc15c2bc696e4285557bd112dc78cd8_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2768

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

\Users\Admin\AppData\Local\Temp\misid.exe
Filesize
42KB

MD5
52ab3431574066fd8c1f9d63de24c61c

SHA1
1d7d10758ef0f5a494e30e86b1f3a8e0608ba698

SHA256
49c93227bbcd935a9d6ae7534ce65c916e98a82feadb3e10d5654d4733a7526c

SHA512
b7f162b06c85217ba066c59ccc57d82dd1a7dd46b51d275d319740df6e7724d6a90dba0b7e33e9cff6044ed3f360c0c3c12181ef69ebb65f78faede9efa27834

Download Submit
memory/2064-0-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2064-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2064-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2064-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2768-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2768-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2768-24-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download