71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec

Analysis

max time kernel
4s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 23:12

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General

Target

71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe
Size

310KB
MD5

5a20a059671515fd536a9e86d227dd90
SHA1

8391b4122102d015d0c4adb14f94a6f6f7e6056a
SHA256

71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec
SHA512

2462cb0b9c1d8cfb89c0db9deb840adacbd47b444cb6bdc893e8a09e57ed4855da5d396f277e3da22b2be3e0bd1106e65037558e9d0c3ef7f856a9bd1e3daf3c
SSDEEP

6144:nhjR9isD3WWDXQKaw/Pe/S7Bjjq79aSACMrdU3XfAWngrTw9vYHfQP7IuoST1pcb:7WWzzfSS7RjIARpEAWngrGMQDfoST1e

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-55-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/1992-61-0x0000000000400000-0x00000000004C8000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1992-61-0x0000000000400000-0x00000000004C8000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28
PID 1992 wrote to memory of 1656	1992	71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe	28

C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe
"C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe
  "C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe"
  2⤵
  PID:1656

Network

MITRE ATT&CK Enterprise v6

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

memory/1656-56-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1656-57-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1656-59-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1656-62-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1992-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1992-61-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download