1bc72f7485de821eb5590cc4053c2b19688a3a421b9f9bbb360afff1fe5f8817

Analysis

max time kernel
150s
max time network
158s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 17:45

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General

Target

2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe
Size

47KB
MD5

5c65576e503af864a15c517b0f4df38f
SHA1

d49433a7baf69560ae04ee616d6cd6df22ee9ede
SHA256

1bc72f7485de821eb5590cc4053c2b19688a3a421b9f9bbb360afff1fe5f8817
SHA512

6703492e51fe3432642434d1966bf782df6a566470ee4cea3ee4513ed3f9d2a8918a4a9b64f02289ec41a7974f7731ce223035f0bc3a72f2fe80df9fff0131c4
SSDEEP

768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05RKb6FKZ:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKbt

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3000	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.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 2912 wrote to memory of 3000	2912	2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe	28
PID 2912 wrote to memory of 3000	2912	2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe	28
PID 2912 wrote to memory of 3000	2912	2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe	28
PID 2912 wrote to memory of 3000	2912	2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_5c65576e503af864a15c517b0f4df38f_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3000

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\asih.exe

Filesize
48KB

MD5
36b35625ee1cfa2a12d12d37372659d9

SHA1
1bc4d1e2137d75050e9ac7d9b66f0ee5460303fc

SHA256
ca779eaf3c826849d6eec8c0d29e379069a5073c790a51cfaaa81f1237746c74

SHA512
324624771ab22e5d32a27a9d3b0953002860a6ecc643cb9ca689837bab087cfd8f4d2f12c5ee34466a41d6d47df731b4296a59e1f28d9895b24b40269c41a1aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
48KB

MD5
36b35625ee1cfa2a12d12d37372659d9

SHA1
1bc4d1e2137d75050e9ac7d9b66f0ee5460303fc

SHA256
ca779eaf3c826849d6eec8c0d29e379069a5073c790a51cfaaa81f1237746c74

SHA512
324624771ab22e5d32a27a9d3b0953002860a6ecc643cb9ca689837bab087cfd8f4d2f12c5ee34466a41d6d47df731b4296a59e1f28d9895b24b40269c41a1aa

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
48KB

MD5
36b35625ee1cfa2a12d12d37372659d9

SHA1
1bc4d1e2137d75050e9ac7d9b66f0ee5460303fc

SHA256
ca779eaf3c826849d6eec8c0d29e379069a5073c790a51cfaaa81f1237746c74

SHA512
324624771ab22e5d32a27a9d3b0953002860a6ecc643cb9ca689837bab087cfd8f4d2f12c5ee34466a41d6d47df731b4296a59e1f28d9895b24b40269c41a1aa

Download Submit
memory/2912-14-0x0000000000910000-0x0000000000920000-memory.dmp

Filesize
64KB

Download
memory/2912-4-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2912-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2912-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2912-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2912-27-0x0000000000910000-0x0000000000920000-memory.dmp

Filesize
64KB

Download
memory/3000-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3000-19-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3000-20-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3000-28-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download