b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde

General

Target

b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe
Size

29KB
MD5

ddcec6b1567e6594575633c42cc28675
SHA1

b82fda858010b8a5c16398237f9ded730ad7dcc8
SHA256

b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde
SHA512

a386756bf6ed2339e5ab32142e4bb03a7f622bd7e959b322312b737f38c748defe3a082a005396f2be3acd5f7b27d8089265165a8d63d49df44c4c77d7a4e454
SSDEEP

768:3Iv/27NYsDkf3mEMqw7ecBKh0p29SgR8iN:Ym7N1XfdFKhG29j8iN

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3068	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
4404	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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 3 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 opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe
4404	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 4404	2156	b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe	83
PID 2156 wrote to memory of 4404	2156	b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe	83
PID 2156 wrote to memory of 4404	2156	b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe	83
PID 4404 wrote to memory of 3068	4404	Trojan.exe	84
PID 4404 wrote to memory of 3068	4404	Trojan.exe	84
PID 4404 wrote to memory of 3068	4404	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe
"C:\Users\Admin\AppData\Local\Temp\b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

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

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
ddcec6b1567e6594575633c42cc28675

SHA1
b82fda858010b8a5c16398237f9ded730ad7dcc8

SHA256
b37a23c15405fb69a686131777c09b9c0242a78a2727f56d92505ed6b47ecdde

SHA512
a386756bf6ed2339e5ab32142e4bb03a7f622bd7e959b322312b737f38c748defe3a082a005396f2be3acd5f7b27d8089265165a8d63d49df44c4c77d7a4e454

Download Submit
memory/2156-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/2156-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2156-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2156-12-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-13-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-14-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-16-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-17-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-18-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads