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

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2848	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1964	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto"	DBSever0.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\DBSever0.EXE	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
File created	C:\Windows\DBSever0.EXE	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
File opened for modification	C:\Windows\DBSever0.KInf	DBSever0.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	1964	DBSever0.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1964	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	29
PID 1308 wrote to memory of 1964	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	29
PID 1308 wrote to memory of 1964	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	29
PID 1308 wrote to memory of 1964	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	29
PID 1308 wrote to memory of 2848	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	30
PID 1308 wrote to memory of 2848	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	30
PID 1308 wrote to memory of 2848	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	30
PID 1308 wrote to memory of 2848	1308	4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe	30

C:\Users\Admin\AppData\Local\Temp\4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe
"C:\Users\Admin\AppData\Local\Temp\4fdfae8e41510f5edd55b0731625b7d440bb4c14b431a66233461bb3b82e3a54.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- 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:1964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\Temp0.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2848

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

System Information Discovery

1

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
1c20315e98799d9d0a08389b4d73f5e4

SHA1
412015bfde4c048c28da61268db01d809085a088

SHA256
9942f08ea0de3551be33954317032180025ce5638459cb5c03feb5f25ea614e1

SHA512
fc9ad1203a605147d8db462ff99ebc29e146ec05df0f7b18ddb92c36c708ad48a892aae89fa9c5394efe2b4df797ee1c2c78b15489804554451680806ff478ba

Download Submit
memory/1308-13-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download
memory/1964-15-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download
memory/1964-17-0x0000000010000000-0x0000000010073000-memory.dmp

Filesize
460KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads