fa8f38553b72c6a4d8915c9445498666d901181c435bafb2e0b3fb110fb791cc

General

Target

e94448bcbf82be1e92fdf6a136913720N.exe
Size

91KB
MD5

e94448bcbf82be1e92fdf6a136913720
SHA1

50a25b28a6c1c55e207626f62c0853d97cde7a2e
SHA256

fa8f38553b72c6a4d8915c9445498666d901181c435bafb2e0b3fb110fb791cc
SHA512

407545317017560eda987a147eacb36bac60d1000325aac014391d97dc914e0c2eacd7ecc7cb2f8e941d96b0c7da155a249b6ddfff4791a7a65849ff967802c5
SSDEEP

1536:HXnDxM2ZoXADZ9a458XeUlfkivVR1Ypnv:3nrwADZ9ajv5vVRCn

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
452	netsh.exe
4544	netsh.exe
860	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	e94448bcbf82be1e92fdf6a136913720N.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update Service.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update Service.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\66a18a8df34fcb1bafccaf19fc4580fdWindows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\66a18a8df34fcb1bafccaf19fc4580fdWindows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
1096	server.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	server.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	e94448bcbf82be1e92fdf6a136913720N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1096	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe
Token: 33	1096	server.exe
Token: SeIncBasePriorityPrivilege	1096	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1096	3648	e94448bcbf82be1e92fdf6a136913720N.exe	86
PID 3648 wrote to memory of 1096	3648	e94448bcbf82be1e92fdf6a136913720N.exe	86
PID 3648 wrote to memory of 1096	3648	e94448bcbf82be1e92fdf6a136913720N.exe	86
PID 1096 wrote to memory of 452	1096	server.exe	90
PID 1096 wrote to memory of 452	1096	server.exe	90
PID 1096 wrote to memory of 452	1096	server.exe	90
PID 1096 wrote to memory of 4544	1096	server.exe	92
PID 1096 wrote to memory of 4544	1096	server.exe	92
PID 1096 wrote to memory of 4544	1096	server.exe	92
PID 1096 wrote to memory of 860	1096	server.exe	93
PID 1096 wrote to memory of 860	1096	server.exe	93
PID 1096 wrote to memory of 860	1096	server.exe	93

C:\Users\Admin\AppData\Local\Temp\e94448bcbf82be1e92fdf6a136913720N.exe
"C:\Users\Admin\AppData\Local\Temp\e94448bcbf82be1e92fdf6a136913720N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:452
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4544
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
311d687faffaed10f44ea27c024986b6

SHA1
eece910ea8cb7aed467e2e7700f7c223d3fbbc9e

SHA256
608547d80bf0e4b3d9cfffd324702b4aa38db2f0bfb3db4bd517b556fdf4de2b

SHA512
296d2cbbbf39917b174682a73e571a98130b2fe1c2dcb7c84adbd185a0b3a81384ad556e3a88cdeaa01fbd5cb486c58c1e1dff22f77cd3e9df7315b93355272b

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
91KB

MD5
e94448bcbf82be1e92fdf6a136913720

SHA1
50a25b28a6c1c55e207626f62c0853d97cde7a2e

SHA256
fa8f38553b72c6a4d8915c9445498666d901181c435bafb2e0b3fb110fb791cc

SHA512
407545317017560eda987a147eacb36bac60d1000325aac014391d97dc914e0c2eacd7ecc7cb2f8e941d96b0c7da155a249b6ddfff4791a7a65849ff967802c5

Download Submit
memory/1096-14-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/1096-15-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/1096-33-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3648-0-0x00000000752A2000-0x00000000752A3000-memory.dmp

Filesize
4KB

Download
memory/3648-1-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3648-2-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3648-13-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads