13df631a797ab9dffaa85311c538151803ddbaeb011dcdd84ef0a9d4debcf29a

General

Target

ZdVkArFtVOs.exe
Size

1.4MB
MD5

c9af6841029366d803a93b001ddb7da7
SHA1

a9dd119d215b48730f36812985f8769ba6160305
SHA256

87391e2f2e5d0c85b4b2436846a02dcc1dfac56d414867b85644ad0644009b7b
SHA512

3e5d9b8a9d62ca85347696f8c0f1d2fd63325d41c570b444259dfb1e165cc237c2aa295401e46e3cddc7dfdb471d534dac5bd5aaff1c8cc7d47add7cdeaac674
SSDEEP

24576:QvEkzLhaUON8Q9X2EjvdssVDn4y1gUZsG9BHgcsjhO8tL1SRrUHoxpBPmMRB:RH8QBLdFDn49UDxgcsjhO8tZurewB

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2800	cmd.exe

Executes dropped EXE 3 IoCs

pid	Process
1484	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe

Loads dropped DLL 1 IoCs

pid	Process
1304	ZdVkArFtVOs.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-17-0x00000000008A0000-0x00000000008AB000-memory.dmp	upx
behavioral1/memory/2672-18-0x00000000023C0000-0x00000000023CB000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ZdVkArFtVOs.exe	ZdVkArFtVOs.exe
File opened for modification	C:\Windows\SysWOW64\ZdVkArFtVOs.exe	ZdVkArFtVOs.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 20 IoCs

pid	Process
1304	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2676	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1304	ZdVkArFtVOs.exe
1304	ZdVkArFtVOs.exe
1304	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1304	ZdVkArFtVOs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	ZdVkArFtVOs.exe
Token: SeDebugPrivilege	2672	ZdVkArFtVOs.exe
Token: SeDebugPrivilege	2672	ZdVkArFtVOs.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1304	ZdVkArFtVOs.exe
1304	ZdVkArFtVOs.exe
1304	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
1484	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2628	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe
2672	ZdVkArFtVOs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1484	1304	ZdVkArFtVOs.exe	28
PID 1304 wrote to memory of 1484	1304	ZdVkArFtVOs.exe	28
PID 1304 wrote to memory of 1484	1304	ZdVkArFtVOs.exe	28
PID 1304 wrote to memory of 1484	1304	ZdVkArFtVOs.exe	28
PID 1304 wrote to memory of 2800	1304	ZdVkArFtVOs.exe	29
PID 1304 wrote to memory of 2800	1304	ZdVkArFtVOs.exe	29
PID 1304 wrote to memory of 2800	1304	ZdVkArFtVOs.exe	29
PID 1304 wrote to memory of 2800	1304	ZdVkArFtVOs.exe	29
PID 2800 wrote to memory of 2676	2800	cmd.exe	32
PID 2800 wrote to memory of 2676	2800	cmd.exe	32
PID 2800 wrote to memory of 2676	2800	cmd.exe	32
PID 2800 wrote to memory of 2676	2800	cmd.exe	32
PID 2628 wrote to memory of 2672	2628	ZdVkArFtVOs.exe	33
PID 2628 wrote to memory of 2672	2628	ZdVkArFtVOs.exe	33
PID 2628 wrote to memory of 2672	2628	ZdVkArFtVOs.exe	33
PID 2628 wrote to memory of 2672	2628	ZdVkArFtVOs.exe	33

C:\Users\Admin\AppData\Local\Temp\ZdVkArFtVOs.exe
"C:\Users\Admin\AppData\Local\Temp\ZdVkArFtVOs.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\ZdVkArFtVOs.exe
  -auto
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd/c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\[email protected] > nul
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2676

C:\Windows\SysWOW64\ZdVkArFtVOs.exe
C:\Windows\SysWOW64\ZdVkArFtVOs.exe Service 1
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\SysWOW64\ZdVkArFtVOs.exe
  -a1
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\ZdVkArFtVOs.exe

Filesize
1.4MB

MD5
c9af6841029366d803a93b001ddb7da7

SHA1
a9dd119d215b48730f36812985f8769ba6160305

SHA256
87391e2f2e5d0c85b4b2436846a02dcc1dfac56d414867b85644ad0644009b7b

SHA512
3e5d9b8a9d62ca85347696f8c0f1d2fd63325d41c570b444259dfb1e165cc237c2aa295401e46e3cddc7dfdb471d534dac5bd5aaff1c8cc7d47add7cdeaac674

Download Submit
memory/1304-0-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/1304-3-0x0000000003140000-0x0000000003585000-memory.dmp

Filesize
4.3MB

Download
memory/1304-10-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/1484-7-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/1484-16-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2628-13-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-47-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-51-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-18-0x00000000023C0000-0x00000000023CB000-memory.dmp

Filesize
44KB

Download
memory/2672-19-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/2672-42-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-14-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-48-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-49-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-50-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-17-0x00000000008A0000-0x00000000008AB000-memory.dmp

Filesize
44KB

Download
memory/2672-52-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-53-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-54-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-55-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-56-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-57-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-58-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download
memory/2672-59-0x0000000000400000-0x0000000000845000-memory.dmp

Filesize
4.3MB

Download

Analysis

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