tofsee | 92f361618c9aed14c0e73be10090e5c12bb03a0ddc7fc41bb7919616fabcedc9

Analysis

max time kernel
96s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 22:54

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General

Target

ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe
Size

192KB
MD5

ded815b6bdd4a6b429338883c7090ee3
SHA1

0bfa25b84d14f5af2bd6770ea5726ee91f669b75
SHA256

92f361618c9aed14c0e73be10090e5c12bb03a0ddc7fc41bb7919616fabcedc9
SHA512

aa97995dfac5ffd2dccb5504e67103c88e87f3ed83b278723755bdeb2bbafb668fbb3254eb35ca33c3beb50c33804d192ef05e0f4974c9720dc1d1504e2c4fd1
SSDEEP

1536:Ll+LaFB7CZLBoJPkZfth9k4Tn4f8CQZRTIzr4ueX12AMUCeLtXzf9wDmFv8oxoqL:RFYNthmSW8nRTIcZzf9wg8oLBdz3

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

64.20.54.234

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3672	plb.exe
1052	plb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\plb.exe\" /r"	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1172 set thread context of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 3672 set thread context of 1052	3672	plb.exe	85
PID 1052 set thread context of 4216	1052	plb.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
588	4216	WerFault.exe	86

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	plb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	plb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4056	1172	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	83
PID 4056 wrote to memory of 3672	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	84
PID 4056 wrote to memory of 3672	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	84
PID 4056 wrote to memory of 3672	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	84
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 3672 wrote to memory of 1052	3672	plb.exe	85
PID 1052 wrote to memory of 4216	1052	plb.exe	86
PID 1052 wrote to memory of 4216	1052	plb.exe	86
PID 1052 wrote to memory of 4216	1052	plb.exe	86
PID 1052 wrote to memory of 4216	1052	plb.exe	86
PID 1052 wrote to memory of 4216	1052	plb.exe	86
PID 4056 wrote to memory of 1204	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	89
PID 4056 wrote to memory of 1204	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	89
PID 4056 wrote to memory of 1204	4056	ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ded815b6bdd4a6b429338883c7090ee3_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Users\Admin\plb.exe
    "C:\Users\Admin\plb.exe" /r
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3672
  - - C:\Users\Admin\plb.exe
      "C:\Users\Admin\plb.exe" /r
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1052
    - - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4216
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 320
        6⤵
        Program crash
        
        PID:588
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7847.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4216 -ip 4216
1⤵
PID:4744

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7847.bat

Filesize
117B

MD5
9cea83d712cf53be0db58026340728da

SHA1
8363eaa3803a737d7c2e26c2cc250a8639d62be2

SHA256
0a5dc5d71b76dff8d1a70ec95d1bcabe7254a55cef4236385679a8a6ecb6f299

SHA512
ca3d79e2fb073a9f8ec462fdcabed234e79f115653bd6e12c528977a93ac0dc44c7b5eb60d279bc8d44ca62ad8144b848f2792c3d00bb56eb2b28b16e5dde80f

Download Submit
C:\Users\Admin\plb.exe

Filesize
192KB

MD5
ded815b6bdd4a6b429338883c7090ee3

SHA1
0bfa25b84d14f5af2bd6770ea5726ee91f669b75

SHA256
92f361618c9aed14c0e73be10090e5c12bb03a0ddc7fc41bb7919616fabcedc9

SHA512
aa97995dfac5ffd2dccb5504e67103c88e87f3ed83b278723755bdeb2bbafb668fbb3254eb35ca33c3beb50c33804d192ef05e0f4974c9720dc1d1504e2c4fd1

Download Submit
memory/1052-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4056-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4056-2-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4056-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4216-13-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/4216-20-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/4216-29-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/4216-28-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/4216-30-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/4216-31-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads