940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3

General

Target

940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe
Size

384KB
MD5

f95231faa3983ff64c47811a41bbfd80
SHA1

b7640c43668a00972bb6e8bf97d3da8c6d4be891
SHA256

940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3
SHA512

40cf1a3b6ccf03262d7bb828e63a23ac4dfbefd6ce928224f7d12b1085a8e3e9f032d44abc4b7e6ebac18cb71891398a7489ff62b5e259b749020da78f6d48c2
SSDEEP

6144:NKkLp75BytKvxupGDvgvSzp9mozawrLgfqlMPPj0BalRNXOGDgtWYrHg3fD:NKmvytcupPG9mMfgt6apOvDg3fD

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1944	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	gszyb.exe

Loads dropped DLL 3 IoCs

pid	Process
1944	cmd.exe
1944	cmd.exe
2812	gszyb.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gszyb.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1944	cmd.exe
2820	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
2836	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2820	PING.EXE

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe
2812	gszyb.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1944	1760	940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe	30
PID 1760 wrote to memory of 1944	1760	940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe	30
PID 1760 wrote to memory of 1944	1760	940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe	30
PID 1760 wrote to memory of 1944	1760	940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe	30
PID 1944 wrote to memory of 2836	1944	cmd.exe	32
PID 1944 wrote to memory of 2836	1944	cmd.exe	32
PID 1944 wrote to memory of 2836	1944	cmd.exe	32
PID 1944 wrote to memory of 2836	1944	cmd.exe	32
PID 1944 wrote to memory of 2820	1944	cmd.exe	34
PID 1944 wrote to memory of 2820	1944	cmd.exe	34
PID 1944 wrote to memory of 2820	1944	cmd.exe	34
PID 1944 wrote to memory of 2820	1944	cmd.exe	34
PID 1944 wrote to memory of 2812	1944	cmd.exe	35
PID 1944 wrote to memory of 2812	1944	cmd.exe	35
PID 1944 wrote to memory of 2812	1944	cmd.exe	35
PID 1944 wrote to memory of 2812	1944	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe
"C:\Users\Admin\AppData\Local\Temp\940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1760 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3N.exe" & start C:\Users\Admin\AppData\Local\gszyb.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1760
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2836
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2820
- - C:\Users\Admin\AppData\Local\gszyb.exe
    C:\Users\Admin\AppData\Local\gszyb.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2812

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\gszyb.exe

Filesize
384KB

MD5
f95231faa3983ff64c47811a41bbfd80

SHA1
b7640c43668a00972bb6e8bf97d3da8c6d4be891

SHA256
940b7fe26f04b89a90e0562f66a43cc8780e77b4c77461d74045bd524da956d3

SHA512
40cf1a3b6ccf03262d7bb828e63a23ac4dfbefd6ce928224f7d12b1085a8e3e9f032d44abc4b7e6ebac18cb71891398a7489ff62b5e259b749020da78f6d48c2

Download Submit
memory/1760-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1760-2-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/1760-1-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/1760-5-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-14-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-11-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-13-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-10-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-15-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-16-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-17-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-18-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-19-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-20-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-21-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2812-22-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads