a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd

Analysis

max time kernel
10s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 17:03

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General

Target

a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
Size

573KB
MD5

8b8831d1e646e6b201eadf973966db84
SHA1

ed1a0e74a9e9ba9acd9876891b5a8908da6aaf44
SHA256

a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd
SHA512

e0a70f115533ce83f66248a07aa03b5104d2b045cb2f09fed821ea5125eb4dc9360a8a6f5cddc18768c0a42317552fdec6a8318ccb03f3e4c3aff2c29afd3ae9
SSDEEP

12288:ejkArEN249AyE/rbaMct4bO2/VQ5qoZn8Jj4/eknomg0clw:ZFE//Tct4bOsW1Zw4/zoEyw

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/1748-55-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/memory/1748-61-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1748-55-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe
behavioral1/memory/1748-61-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	892	WerFault.exe	28

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
892	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 1748 wrote to memory of 892	1748	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	28
PID 892 wrote to memory of 1712	892	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	29
PID 892 wrote to memory of 1712	892	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	29
PID 892 wrote to memory of 1712	892	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	29
PID 892 wrote to memory of 1712	892	a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe	29

C:\Users\Admin\AppData\Local\Temp\a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
"C:\Users\Admin\AppData\Local\Temp\a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe
  "C:\Users\Admin\AppData\Local\Temp\a2e89d87c25d95aad9489684506111e6e0682764fd5bec31699a49d85af6e7fd.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 188
    3⤵
    - Program crash
    PID:1712

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

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Downloads

memory/892-56-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/892-58-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/892-65-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1748-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1748-55-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1748-61-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download