a1155e550722133b0063bfad413ff6bc7611ecc11e3e0629c68c3ad60c5836dd

General

Target

bfaf3ad900441cc43fc22e8d13b491f9_JaffaCakes118.dll
Size

158KB
MD5

bfaf3ad900441cc43fc22e8d13b491f9
SHA1

51287e14de3dd6bb9c5ab4520c76c29bd9a14eb1
SHA256

a1155e550722133b0063bfad413ff6bc7611ecc11e3e0629c68c3ad60c5836dd
SHA512

344cd61f6a4698542afb1ac3936629192c0b441d8280b3499e90072644f3990f2775a4bcc4caa23b883826ec1371017a0cf07ccab45e0bd5a4b242bb2982ee3b
SSDEEP

3072:rgztpy1ATC0T/Z/ml/ksuiSbFNBp6u1z6rJyaZDRIxJzqCQ4wcOY4AFpAzEW:Ez3y18Ck/Ml/ksDUNX6c6caZVqJ2CBXM

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ufad-dns60\Parameters\ServiceDll = "C:\\Windows\\system32\\vLRMDFbxRgS.dll"	regsvr32.exe

Loads dropped DLL 3 IoCs

pid	Process
3576	svchost.exe
3576	svchost.exe
3576	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vLRMDFbxRgS.dll	regsvr32.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1624	3576	WerFault.exe	85
2164	3576	WerFault.exe	85
4652	3576	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2304	regsvr32.exe
2304	regsvr32.exe
3576	svchost.exe
3576	svchost.exe
3576	svchost.exe
3576	svchost.exe
3576	svchost.exe
3576	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2304	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2304	2424	regsvr32.exe	84
PID 2424 wrote to memory of 2304	2424	regsvr32.exe	84
PID 2424 wrote to memory of 2304	2424	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bfaf3ad900441cc43fc22e8d13b491f9_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bfaf3ad900441cc43fc22e8d13b491f9_JaffaCakes118.dll
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2304

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ufad-dns60
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 496
  2⤵
  - Program crash
  PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 436
  2⤵
  - Program crash
  PID:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 244
  2⤵
  - Program crash
  PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3576 -ip 3576
1⤵
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3576 -ip 3576
1⤵
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3576 -ip 3576
1⤵
PID:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\vLRMDFbxRgS.dll

Filesize
158KB

MD5
bfaf3ad900441cc43fc22e8d13b491f9

SHA1
51287e14de3dd6bb9c5ab4520c76c29bd9a14eb1

SHA256
a1155e550722133b0063bfad413ff6bc7611ecc11e3e0629c68c3ad60c5836dd

SHA512
344cd61f6a4698542afb1ac3936629192c0b441d8280b3499e90072644f3990f2775a4bcc4caa23b883826ec1371017a0cf07ccab45e0bd5a4b242bb2982ee3b

Download Submit
memory/2304-12-0x0000000000E30000-0x0000000000E53000-memory.dmp

Filesize
140KB

Download
memory/2304-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-1-0x0000000000E30000-0x0000000000E53000-memory.dmp

Filesize
140KB

Download
memory/2304-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-2-0x0000000000E30000-0x0000000000E53000-memory.dmp

Filesize
140KB

Download
memory/2304-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-8-0x0000000010001000-0x000000001000A000-memory.dmp

Filesize
36KB

Download
memory/2304-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2304-3-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/3576-13-0x0000000001D90000-0x0000000001DB3000-memory.dmp

Filesize
140KB

Download
memory/3576-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3576-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3576-18-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3576-17-0x0000000001DD0000-0x0000000001DF3000-memory.dmp

Filesize
140KB

Download
memory/3576-20-0x00000000022B0000-0x00000000022D3000-memory.dmp

Filesize
140KB

Download
memory/3576-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3576-23-0x0000000001DD0000-0x0000000001DF3000-memory.dmp

Filesize
140KB

Download
memory/3576-24-0x00000000022B0000-0x00000000022D3000-memory.dmp

Filesize
140KB

Download
memory/3576-22-0x0000000001D90000-0x0000000001DB3000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing