4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54

General

Target

4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
Size

2.1MB
MD5

c4cf2b734a92cbab21cbf2716bce8718
SHA1

5b78ee714675c8b6703abd811908895f5869f56c
SHA256

4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54
SHA512

d7ce51ec2d5b5ec68a8e334d6e8bfb4a09290d98d457dad33fe4cbc28bced021695eeca0826998582a3c012349d54e8a5708d49a1c6e89a8391e795604f06b06
SSDEEP

6144:2BDHmrz4niNy8o3Zp/TWt+g4RQTDUBO8/2vh+ziDV8m56TBac2GuL:wDHmoniNy8L8g4RgoBO8/2vhDX56Te

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	DBSever0.EXE

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto"	DBSever0.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto"	DBSever0.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto"	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\DBSever0.KInf	DBSever0.EXE
File opened for modification	C:\Windows\DBSever0.EXE	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
File created	C:\Windows\DBSever0.EXE	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.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 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	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DBSever0.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	DBSever0.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 1152	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	85
PID 1800 wrote to memory of 1152	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	85
PID 1800 wrote to memory of 1152	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	85
PID 1800 wrote to memory of 1052	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	87
PID 1800 wrote to memory of 1052	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	87
PID 1800 wrote to memory of 1052	1800	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	87

C:\Users\Admin\AppData\Local\Temp\4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
"C:\Users\Admin\AppData\Local\Temp\4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\DBSever0.EXE
  C:\Windows\DBSever0.EXE
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1152
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Temp0.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\Temp0.bat

Filesize
302B

MD5
3dcbd93bd284bf5928064f26169d4fee

SHA1
40833e558bdb53d1da4312be1afa821702275ca3

SHA256
b8be94ae63dbfeaa3c90fdffea1cdaaf63fb3637e736da9c871fb07c532700cd

SHA512
85f825a5fef070be386bee3c46d8a0b26fe9373e1eb73321bacca63592c6e159214895e2086f773e45f76fc69a3d06ece04ca43c297926a224e4ec9751f69d35

Download Submit
C:\Windows\DBSever0.EXE

Filesize
2.1MB

MD5
a713ae13b8a2ea21a0e7a914d660cbbb

SHA1
c3e1c803f08a0a12ac8a1b51ee38847438d42de0

SHA256
bbcd9b18197cf5c1a56c612208af95ca9bb22320fa1e61b2abac969ef7972ac2

SHA512
fa680c76d139871647e57075335c5c686457c5a9314b4cf18756f708a8ef1ffeb17fbd5be36c3689024f9e2c55fa921c76bdbdca48f44f9022a3f64172cea48b

Download Submit
memory/1152-10-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download
memory/1152-12-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download
memory/1800-8-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads