f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 02:48

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General

Target

f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
Size

272KB
MD5

902829332a81e5b73b9d2dfa0615296c
SHA1

a62b1a62ff9d3792e880e7f7036de6587161019f
SHA256

f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7
SHA512

4e5b92307eff2ce12439ef7eca4527926fdd25a7775993def38f92cacbd42b83ebe8425df595fa451a4018daa54f1b49f12e0c6c1d9b97505341d553f7257ed3
SSDEEP

6144:kuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLb:P6Wq4aaE6KwyF5L0Y2D1PqLb

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1600-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1420	cmd.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1600-56-0x0000000000400000-0x00000000004B5000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1260	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1420	1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe	27
PID 1600 wrote to memory of 1420	1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe	27
PID 1600 wrote to memory of 1420	1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe	27
PID 1600 wrote to memory of 1420	1600	f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe	27
PID 1420 wrote to memory of 1260	1420	cmd.exe	29
PID 1420 wrote to memory of 1260	1420	cmd.exe	29
PID 1420 wrote to memory of 1260	1420	cmd.exe	29
PID 1420 wrote to memory of 1260	1420	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe
"C:\Users\Admin\AppData\Local\Temp\f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe"
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im "f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe" & del /f /q "C:\Users\Admin\AppData\Local\Temp\f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im "f4dfb68c90af33e52ecec42c6eb52235b2e069d211c46a9d316634b22d918cb7.exe"
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1260

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/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1600-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download