3993b3fec8f692c079736b6751927695f4c72e0ebd5982469014caa89e776239

General

Target

3a859a262b2b4dd3102456071c9c90cc_JaffaCakes118.dll
Size

255KB
MD5

3a859a262b2b4dd3102456071c9c90cc
SHA1

cee9f7333eaea7e9d9a477022de2c7547a41ef52
SHA256

3993b3fec8f692c079736b6751927695f4c72e0ebd5982469014caa89e776239
SHA512

c7799e1a586a212aa90d545d929e1026580c06850b3df848a3675e8345512d2664e093e1792fb0d881ac72cfee1de8f1c0ce9abadb1c671f552f8143acf3578c
SSDEEP

3072:dwiiaFspa8tnGzeeMIqcFnnPgOBTil8lVWPt+uS0YJH08c1:dGEknGzeeMIqcFYwilr+ueJ

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\SENS\Parameters\ServiceDll = "C:\\PROGRA~3\\qwetemhumlo.dat"	regsvr32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~3\olmuhmetewq.dat	regsvr32.exe
File created	C:\PROGRA~3\qwetemhumlo.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\qwetemhumlo.dat	regsvr32.exe
File created	C:\PROGRA~3\olmuhmetewq.dat	regsvr32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{06AB1B1A-FBD4-4055-B1CD-586C969A67AC}.crmlog	dllhost.exe
File opened for modification	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{06AB1B1A-FBD4-4055-B1CD-586C969A67AC}.crmlog	dllhost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	2536	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 7 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	regsvr32.exe
2536	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	regsvr32.exe
Token: SeDebugPrivilege	2536	regsvr32.exe
Token: SeDebugPrivilege	2536	regsvr32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2536	2452	regsvr32.exe	83
PID 2452 wrote to memory of 2536	2452	regsvr32.exe	83
PID 2452 wrote to memory of 2536	2452	regsvr32.exe	83
PID 2536 wrote to memory of 804	2536	regsvr32.exe	10
PID 2536 wrote to memory of 2020	2536	regsvr32.exe	87
PID 2536 wrote to memory of 2020	2536	regsvr32.exe	87
PID 2536 wrote to memory of 2020	2536	regsvr32.exe	87
PID 2020 wrote to memory of 4004	2020	cmd.exe	89
PID 2020 wrote to memory of 4004	2020	cmd.exe	89
PID 2020 wrote to memory of 4004	2020	cmd.exe	89
PID 4004 wrote to memory of 2164	4004	net.exe	90
PID 4004 wrote to memory of 2164	4004	net.exe	90
PID 4004 wrote to memory of 2164	4004	net.exe	90
PID 2536 wrote to memory of 2816	2536	regsvr32.exe	92
PID 2536 wrote to memory of 2816	2536	regsvr32.exe	92
PID 2536 wrote to memory of 2816	2536	regsvr32.exe	92
PID 2816 wrote to memory of 2544	2816	cmd.exe	94
PID 2816 wrote to memory of 2544	2816	cmd.exe	94
PID 2816 wrote to memory of 2544	2816	cmd.exe	94
PID 2544 wrote to memory of 2784	2544	net.exe	95
PID 2544 wrote to memory of 2784	2544	net.exe	95
PID 2544 wrote to memory of 2784	2544	net.exe	95

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
PID:804

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a859a262b2b4dd3102456071c9c90cc_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3a859a262b2b4dd3102456071c9c90cc_JaffaCakes118.dll
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start COMSysApp
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - C:\Windows\SysWOW64\net.exe
      net start COMSysApp
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4004
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 start COMSysApp
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2164
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start SENS
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\net.exe
      net start SENS
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2544
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 start SENS
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 620
    3⤵
    - Program crash
    PID:4256

C:\Windows\system32\dllhost.exe
C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
1⤵
- Drops file in Windows directory
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2536 -ip 2536
1⤵
PID:5104

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:748

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

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Downloads

C:\PROGRA~3\qwetemhumlo.dat

Filesize
1.3MB

MD5
a41e8878cc7a707bb9ca0bd7b15b13d3

SHA1
4652e837ddbd17a51e53eb37348c2829f57f5961

SHA256
6aca35351f34dd5fb5751325bae7b11ead93cdc09ade98073028d8059b4b92ae

SHA512
83cf4b2bd36b45df7217c1af0f04d460718f350c7f3ed4edf2de80f4180e19655f8160b8afb5a12019e7d9037a8496b94acc99487cd8ea0e86fc3ea86099c070

Download Submit
memory/2536-0-0x0000000000401000-0x0000000000420000-memory.dmp

Filesize
124KB

Download
memory/2536-1-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2536-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2536-16-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2536-17-0x0000000000401000-0x0000000000420000-memory.dmp

Filesize
124KB

Download

Analysis

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