e2ff5b7bafe9caeac2f891dd9765bae0641a82f156a44ae89b7ec60b2b4424e7

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
02/08/2023, 19:06

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General

Target

4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe
Size

49KB
MD5

4490f5946e71a59e90c32d46ccc70d7d
SHA1

f18461c12c3f0eaa238141fa67576622308f704c
SHA256

e2ff5b7bafe9caeac2f891dd9765bae0641a82f156a44ae89b7ec60b2b4424e7
SHA512

375898b2ba885651faa15cdff2f018b2b40fa6566a9fc35c72e1340b66cfad03017e4fd3b8f94c094c07fc5840e8b4888d2454f7e4668604a8fa9bf4c141e904
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61c:BbdDmjr+OtEvwDpjMm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2844	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	4490f5946e71a59e90c32d46ccc70d7d_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 2056 wrote to memory of 2844	2056	4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe	28
PID 2056 wrote to memory of 2844	2056	4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe	28
PID 2056 wrote to memory of 2844	2056	4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe	28
PID 2056 wrote to memory of 2844	2056	4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\4490f5946e71a59e90c32d46ccc70d7d_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2844

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
49KB

MD5
f09517bb8c89b97a724eba80d852dd34

SHA1
5bb85436ec26c3dd05f1d97fe072197e0ca6d492

SHA256
9c25c20d01bb8c5c9af7fc94f40560b3067a8b0e5a900dc46c9f3534cba556da

SHA512
d84b07e2876105a0217e4c88506d11200a0b996e19f6517f5c802e7b3e7132debb4abc2f423993fa6851f74fdbe7ab67b499b58b2ba1b59d60bb0a7e3c69e517

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

Filesize
49KB

MD5
f09517bb8c89b97a724eba80d852dd34

SHA1
5bb85436ec26c3dd05f1d97fe072197e0ca6d492

SHA256
9c25c20d01bb8c5c9af7fc94f40560b3067a8b0e5a900dc46c9f3534cba556da

SHA512
d84b07e2876105a0217e4c88506d11200a0b996e19f6517f5c802e7b3e7132debb4abc2f423993fa6851f74fdbe7ab67b499b58b2ba1b59d60bb0a7e3c69e517

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

Filesize
49KB

MD5
f09517bb8c89b97a724eba80d852dd34

SHA1
5bb85436ec26c3dd05f1d97fe072197e0ca6d492

SHA256
9c25c20d01bb8c5c9af7fc94f40560b3067a8b0e5a900dc46c9f3534cba556da

SHA512
d84b07e2876105a0217e4c88506d11200a0b996e19f6517f5c802e7b3e7132debb4abc2f423993fa6851f74fdbe7ab67b499b58b2ba1b59d60bb0a7e3c69e517

Download Submit
memory/2056-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2056-55-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2056-56-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2056-58-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2056-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-73-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2844-72-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2844-80-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download