0fa8410efd7e7ebe35a734fb726839f59b101397d01f2cd0548f80cd3e9bc629

Analysis

max time kernel
136s
max time network
145s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
05/08/2023, 13:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe
Size

98KB
MD5

70d1e9277f2fe2f2423d764ebaf4d98c
SHA1

3ef8ccf336decf5a8a314174351001f504bd8b9d
SHA256

0fa8410efd7e7ebe35a734fb726839f59b101397d01f2cd0548f80cd3e9bc629
SHA512

35c811d33feeafbfa53982523535b82bf34c0ab929ce3e68ab43fa37d9f0ad862b4443caaa68dc9e3ae1a3c85bcdba27a9503bfe36c103c9f3c9e7e9d9f8945e
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GQi:1nK6a+qdOOtEvwDpjL

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
868	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1624	70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1624-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0007000000012107-65.dat	upx
behavioral1/memory/1624-66-0x0000000000650000-0x0000000000660000-memory.dmp	upx
behavioral1/memory/1624-70-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0007000000012107-69.dat	upx
behavioral1/memory/868-72-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0007000000012107-80.dat	upx
behavioral1/memory/868-82-0x0000000000500000-0x000000000050F311-memory.dmp	upx

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 1624 wrote to memory of 868	1624	70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe	28
PID 1624 wrote to memory of 868	1624	70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe	28
PID 1624 wrote to memory of 868	1624	70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe	28
PID 1624 wrote to memory of 868	1624	70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\70d1e9277f2fe2f2423d764ebaf4d98c_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:868

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

Loading Replay Monitor...

Downloads

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

Filesize
98KB

MD5
93208ca7b254dc948e02dbb119856858

SHA1
2fe9a7357f2a18fa9b10590a72ad7f07446eed2e

SHA256
e2d53f3546ad45e2ff9515d487fdb37c037cf3e8126c0207ffbff20ad85800d7

SHA512
03db13b61998e8e04496573c7237de46bf2782fb74af5ca7cd5c8b0bb8d85f1a56744529d1651e6a32c8199051412eddc99526d4fcc9c6952490fffd87ee8d34

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

Filesize
98KB

MD5
93208ca7b254dc948e02dbb119856858

SHA1
2fe9a7357f2a18fa9b10590a72ad7f07446eed2e

SHA256
e2d53f3546ad45e2ff9515d487fdb37c037cf3e8126c0207ffbff20ad85800d7

SHA512
03db13b61998e8e04496573c7237de46bf2782fb74af5ca7cd5c8b0bb8d85f1a56744529d1651e6a32c8199051412eddc99526d4fcc9c6952490fffd87ee8d34

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

Filesize
98KB

MD5
93208ca7b254dc948e02dbb119856858

SHA1
2fe9a7357f2a18fa9b10590a72ad7f07446eed2e

SHA256
e2d53f3546ad45e2ff9515d487fdb37c037cf3e8126c0207ffbff20ad85800d7

SHA512
03db13b61998e8e04496573c7237de46bf2782fb74af5ca7cd5c8b0bb8d85f1a56744529d1651e6a32c8199051412eddc99526d4fcc9c6952490fffd87ee8d34

Download Submit
memory/868-82-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/868-73-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/868-74-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/868-72-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1624-57-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1624-70-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1624-66-0x0000000000650000-0x0000000000660000-memory.dmp

Filesize
64KB

Download
memory/1624-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1624-56-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1624-81-0x0000000000650000-0x0000000000660000-memory.dmp

Filesize
64KB

Download
memory/1624-55-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download