a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 12:14

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General

Target

a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe
Size

668KB
MD5

1cc267d376d9d21e52b199634e809b20
SHA1

00e9b7cfbe4460e07cbf26e9387f150aecec2b24
SHA256

a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166
SHA512

57698c8b01e8b4effa91d65ca9f0c523d24e2d01ec6229cc4e74d2d7b075b6a821beaed89c3b640498a49ee0552cdb27b65a2615b8e128b3268e229e3f046e79
SSDEEP

12288:Wvpgha0fy5/ifxZKwmtUu/ZewTKrp6I+wp15jEII8avI+tUAuQ6h6G+5Nl:Wvmhat50R5uRRKrr+wlj/IzJtN6M/r

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-55-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx
behavioral1/memory/1992-59-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx
behavioral1/memory/1992-58-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx
behavioral1/memory/1992-62-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx
behavioral1/memory/1992-63-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx
behavioral1/memory/672-66-0x0000000001C20000-0x0000000001D6B000-memory.dmp	upx
behavioral1/memory/672-70-0x0000000001C20000-0x0000000001D6B000-memory.dmp	upx
behavioral1/memory/672-69-0x0000000001C20000-0x0000000001D6B000-memory.dmp	upx
behavioral1/memory/672-71-0x0000000001C20000-0x0000000001D6B000-memory.dmp	upx
behavioral1/memory/1992-73-0x0000000001CA0000-0x0000000001DEB000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe
1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe
1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 672	1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe	28
PID 1992 wrote to memory of 672	1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe	28
PID 1992 wrote to memory of 672	1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe	28
PID 1992 wrote to memory of 672	1992	a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe	28

C:\Users\Admin\AppData\Local\Temp\a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe
"C:\Users\Admin\AppData\Local\Temp\a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe
  "C:\Users\Admin\AppData\Local\Temp\a1a674c39650cbbd50f3e4461765c424b3dee290e74ec38a9d41481c0ed36166.exe" /_ShowProgress
  2⤵
  PID:672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/672-71-0x0000000001C20000-0x0000000001D6B000-memory.dmp

Filesize
1.3MB

Download
memory/672-69-0x0000000001C20000-0x0000000001D6B000-memory.dmp

Filesize
1.3MB

Download
memory/672-70-0x0000000001C20000-0x0000000001D6B000-memory.dmp

Filesize
1.3MB

Download
memory/672-66-0x0000000001C20000-0x0000000001D6B000-memory.dmp

Filesize
1.3MB

Download
memory/1992-58-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download
memory/1992-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1992-63-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download
memory/1992-62-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download
memory/1992-61-0x0000000001BF0000-0x0000000001C98000-memory.dmp

Filesize
672KB

Download
memory/1992-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1992-59-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download
memory/1992-55-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download
memory/1992-73-0x0000000001CA0000-0x0000000001DEB000-memory.dmp

Filesize
1.3MB

Download