60eaa44d8cf4a907c6afe5c32872ed04baf80b90a8e5ad017a7b1a6e89fa84f1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:15

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General

Target

083568d535ca89b9c978b02c1cadb0ce_JaffaCakes118.dll
Size

2.7MB
MD5

083568d535ca89b9c978b02c1cadb0ce
SHA1

2b06d2af4b658b13a721f23daf0ec9fe1c4bd6fa
SHA256

60eaa44d8cf4a907c6afe5c32872ed04baf80b90a8e5ad017a7b1a6e89fa84f1
SHA512

cc89560fef9ac7d25e983e44539ab538ee99d5f4fb2245b948869b692e2b5f47b7efc37a9c3aebaebe86e23d0dadb85be4a0a852dd2ba70aca915323372bf8a0
SSDEEP

3072:axOUTXIspizAnu4OROGvwB16YYPEzTJu1Lqc:axOUTXIsbHGvwBwZczuLH

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
2	2256	rundll32.exe
3	2256	rundll32.exe
6	2256	rundll32.exe
7	2256	rundll32.exe
8	2256	rundll32.exe
10	2256	rundll32.exe
11	2256	rundll32.exe
12	2256	rundll32.exe
13	2256	rundll32.exe
14	2256	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2256	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\32lonasohum.dat,StartAs"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\32lonasohum.dat,StartAs"	rundll32.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\PROGRA~3\32lonasohum.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\32lonasohum.dat	regsvr32.exe
File created	C:\PROGRA~3\muhosanol23.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\muhosanol23.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\muhosanol23.dat	rundll32.exe

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	rundll32.exe

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	rundll32.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2428	regsvr32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe
2256	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2428	regsvr32.exe
Token: SeDebugPrivilege	2256	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 1292 wrote to memory of 2428	1292	regsvr32.exe	30
PID 2428 wrote to memory of 1208	2428	regsvr32.exe	21
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2428 wrote to memory of 2256	2428	regsvr32.exe	31
PID 2256 wrote to memory of 1208	2256	rundll32.exe	21
PID 2256 wrote to memory of 1120	2256	rundll32.exe	19
PID 2256 wrote to memory of 1176	2256	rundll32.exe	20
PID 2256 wrote to memory of 1208	2256	rundll32.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\regsvr32.exe
  regsvr32 /s C:\Users\Admin\AppData\Local\Temp\083568d535ca89b9c978b02c1cadb0ce_JaffaCakes118.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\083568d535ca89b9c978b02c1cadb0ce_JaffaCakes118.dll
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2428
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\PROGRA~3\32lonasohum.dat,StartAs
      4⤵
      Blocklisted process makes network request
      Deletes itself
      Loads dropped DLL
      Adds Run key to start application
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer Protected Mode
      Modifies Internet Explorer Protected Mode Banner
      Modifies Internet Explorer settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\32lonasohum.dat

Filesize
3.8MB

MD5
1586fc5e27dc9dc13be3ce5fa0081ab4

SHA1
d3fe1f3fde43de7bba478cf855b80c8d64187af2

SHA256
d22df4a4562c69c054a13c952f4be4ece87dc238d8e8b3b2db8dddc9b0ce7b6c

SHA512
76315e39d7abafdbc30096e99f97cff1a4970d5f0342256c47cb172be24eee21ce4db91289629e2578a2eeb306a1728c257d2b324246b31a6a2b1ca0288cc848

Download Submit
memory/1208-15-0x0000000002970000-0x0000000002971000-memory.dmp

Filesize
4KB

Download
memory/2256-24-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-138-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-196-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-186-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-173-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-151-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-127-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-21-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-116-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-23-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-22-0x00000000002A1000-0x00000000002C1000-memory.dmp

Filesize
128KB

Download
memory/2256-47-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-94-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2256-106-0x00000000002A0000-0x000000000030D000-memory.dmp

Filesize
436KB

Download
memory/2428-0-0x0000000000160000-0x00000000001CD000-memory.dmp

Filesize
436KB

Download
memory/2428-17-0x0000000000160000-0x00000000001CD000-memory.dmp

Filesize
436KB

Download
memory/2428-4-0x0000000000160000-0x00000000001CD000-memory.dmp

Filesize
436KB

Download
memory/2428-18-0x0000000000161000-0x0000000000181000-memory.dmp

Filesize
128KB

Download
memory/2428-1-0x0000000000161000-0x0000000000181000-memory.dmp

Filesize
128KB

Download
memory/2428-2-0x0000000000160000-0x00000000001CD000-memory.dmp

Filesize
436KB

Download
memory/2428-3-0x0000000000160000-0x00000000001CD000-memory.dmp

Filesize
436KB

Download