bfc0152f79d8753e13bf19379f9d09a0b57fc51c65988d64b9983eebfd58bced

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 21:30

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General

Target

839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
Size

19KB
MD5

839d3531a1b09c2b7b9e03210c6c5846
SHA1

3c89a90e24e816f76e404e337d879b34ee2ec8fc
SHA256

bfc0152f79d8753e13bf19379f9d09a0b57fc51c65988d64b9983eebfd58bced
SHA512

fce0ab5b626d9d82fc28fd57325c0d22505727142e9fe43b8b0b9c6e8d9a08f0a92c3c0141f0147872ccf14ab9dbb2ffaf4df899e6761255d9841c501129f106
SSDEEP

384:o29/CZ5Hh2hCegri4D9IvQnBRJrcyoTVmYYqhZ7:ozth2oeiAvUrK5Yq7

Score

8^/10

defense_evasion discovery persistence privilege_escalation upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\msosmsfpfis64.sys	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2352	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2208-95-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msosmnsf00.dll	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msosmnsf00.dll	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msosmnsf.dat	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.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	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	services.exe
476	services.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 256	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	1
PID 2208 wrote to memory of 336	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	2
PID 2208 wrote to memory of 384	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	3
PID 2208 wrote to memory of 392	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	4
PID 2208 wrote to memory of 432	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	5
PID 2208 wrote to memory of 476	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	6
PID 2208 wrote to memory of 492	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	7
PID 2208 wrote to memory of 500	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	8
PID 2208 wrote to memory of 596	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	9
PID 2208 wrote to memory of 672	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	10
PID 2208 wrote to memory of 760	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	11
PID 2208 wrote to memory of 808	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	12
PID 2208 wrote to memory of 832	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	13
PID 2208 wrote to memory of 964	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	14
PID 2208 wrote to memory of 236	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	15
PID 2208 wrote to memory of 1016	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	16
PID 2208 wrote to memory of 1028	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	17
PID 2208 wrote to memory of 1112	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	18
PID 2208 wrote to memory of 1168	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	19
PID 2208 wrote to memory of 1244	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	20
PID 2208 wrote to memory of 1328	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	22
PID 2208 wrote to memory of 1680	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	23
PID 2208 wrote to memory of 752	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	24
PID 2208 wrote to memory of 1504	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	25
PID 2208 wrote to memory of 1952	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	26
PID 2208 wrote to memory of 2352	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	29
PID 2208 wrote to memory of 2352	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	29
PID 2208 wrote to memory of 2352	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	29
PID 2208 wrote to memory of 2352	2208	839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe	29

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:256

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:336

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:392
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  - Suspicious behavior: LoadsDriver
  PID:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:596
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1328
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:752
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:672
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:760
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:808
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1168
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:832
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:964
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:236
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1016
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1028
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1112
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1680
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1504
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1952
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:492
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\839d3531a1b09c2b7b9e03210c6c5846_JaffaCakes118.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\tmpE32F.tmp

Filesize
12KB

MD5
3bc374312e25c646b0406862ffa66372

SHA1
ce6c43b38bd4679ba05c9571b8c4c126a02b420a

SHA256
0d0b317be89e84c5519e88ebe26155e3334cffc27312ab154b67bd3cd679538d

SHA512
b3b63ceb5d437c5e95817a8c5f6f3207a1f1ad54ea865e5a0f1ed071daf3cb20f9c106f2f5378543b467a9e75ed93b88f99079920c4b61eb4afbdf3f4efc73a5

Download Submit
memory/256-10-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/432-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2208-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2208-42-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2208-95-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download