3993b3fec8f692c079736b6751927695f4c72e0ebd5982469014caa89e776239

Analysis

max time kernel
120s
max time network
67s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 14:30

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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\\nini32lo.dat"	regsvr32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\PROGRA~3\nini32lo.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\nini32lo.dat	regsvr32.exe
File created	C:\PROGRA~3\ol23inin.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\ol23inin.dat	regsvr32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{7F81432A-DE33-4B08-8612-3CCAB2E45964}.crmlog	dllhost.exe
File opened for modification	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{7F81432A-DE33-4B08-8612-3CCAB2E45964}.crmlog	dllhost.exe
File opened for modification	C:\Windows\appcompat\programs\RecentFileCache.bcf	svchost.exe
File opened for modification	C:\Windows\Tasks\SCHEDLGU.TXT	svchost.exe
File opened for modification	C:\Windows\Tasks\SA.DAT	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2708	regsvr32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
1900	svchost.exe
1900	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	regsvr32.exe
Token: SeDebugPrivilege	2708	regsvr32.exe
Token: SeDebugPrivilege	2708	regsvr32.exe
Token: SeAuditPrivilege	1900	svchost.exe
Token: SeLoadDriverPrivilege	1900	svchost.exe
Token: SeTcbPrivilege	1900	svchost.exe
Token: SeLoadDriverPrivilege	1900	svchost.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2132 wrote to memory of 2708	2132	regsvr32.exe	28
PID 2708 wrote to memory of 616	2708	regsvr32.exe	9
PID 2708 wrote to memory of 2728	2708	regsvr32.exe	29
PID 2708 wrote to memory of 2728	2708	regsvr32.exe	29
PID 2708 wrote to memory of 2728	2708	regsvr32.exe	29
PID 2708 wrote to memory of 2728	2708	regsvr32.exe	29
PID 2728 wrote to memory of 2480	2728	cmd.exe	31
PID 2728 wrote to memory of 2480	2728	cmd.exe	31
PID 2728 wrote to memory of 2480	2728	cmd.exe	31
PID 2728 wrote to memory of 2480	2728	cmd.exe	31
PID 2480 wrote to memory of 2496	2480	net.exe	32
PID 2480 wrote to memory of 2496	2480	net.exe	32
PID 2480 wrote to memory of 2496	2480	net.exe	32
PID 2480 wrote to memory of 2496	2480	net.exe	32
PID 2708 wrote to memory of 536	2708	regsvr32.exe	35
PID 2708 wrote to memory of 536	2708	regsvr32.exe	35
PID 2708 wrote to memory of 536	2708	regsvr32.exe	35
PID 2708 wrote to memory of 536	2708	regsvr32.exe	35
PID 536 wrote to memory of 792	536	cmd.exe	37
PID 536 wrote to memory of 792	536	cmd.exe	37
PID 536 wrote to memory of 792	536	cmd.exe	37
PID 536 wrote to memory of 792	536	cmd.exe	37

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
1⤵
PID:616

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a859a262b2b4dd3102456071c9c90cc_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- 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:2708
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start COMSysApp
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Windows\SysWOW64\net.exe
      net start COMSysApp
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2480
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 start COMSysApp
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2496
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start SENS
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:536
  - - C:\Windows\SysWOW64\net.exe
      net start SENS
      4⤵
      System Location Discovery: System Language Discovery
      PID:792

C:\Windows\system32\dllhost.exe
C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
1⤵
- Drops file in Windows directory
PID:2512

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
- Drops file in Windows directory
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~3\nini32lo.dat

Filesize
1.8MB

MD5
4abb4bb82f37d466e88811e6d330efed

SHA1
d8b01a7c7904341835e59bbeda05dd61739d0914

SHA256
fb4f78ecb04da3321032fb19ba9a6978fb8f87951eeab19747f43ae64c68bd57

SHA512
39300fb07389ebda2643e955e414db50ab304884d09000c0b4f01af989a3e43fd53d99cc1c3be4cd0527ee0fbc6c476f5881367fbcdcedb6c40064a063f43e11

Download Submit
memory/616-14-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2708-0-0x00000000001B0000-0x000000000021F000-memory.dmp

Filesize
444KB

Download
memory/2708-1-0x00000000001B1000-0x00000000001D0000-memory.dmp

Filesize
124KB

Download
memory/2708-2-0x00000000001B0000-0x000000000021F000-memory.dmp

Filesize
444KB

Download
memory/2708-3-0x00000000001B0000-0x000000000021F000-memory.dmp

Filesize
444KB

Download
memory/2708-22-0x00000000001B0000-0x000000000021F000-memory.dmp

Filesize
444KB

Download
memory/2708-23-0x00000000001B1000-0x00000000001D0000-memory.dmp

Filesize
124KB

Download