tofsee | 1f6a39c4520debfe0f31de642611dfe844c67eb5fc7b4af138df9c6b191a14a1

Analysis

max time kernel
147s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 06:28

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General

Target

JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe
Size

112KB
MD5

633916351d1724c5dee57d31ee60adb6
SHA1

fddbffaf67742208cad9036564acdae7520d3390
SHA256

1f6a39c4520debfe0f31de642611dfe844c67eb5fc7b4af138df9c6b191a14a1
SHA512

32364dd7dcda32dc3148bc724282fea427494eaa3045096749f68479cd7eb3c2842290cb72b9de0c33965d453cb4792ee17874d6b27f9238cecc2e968afb1977
SSDEEP

3072:gjgRyvXEFiKfQ15q4Qe4FVwtwwgs4XBcO4:HRGX4kC1eZ6w

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

111.121.193.238

188.190.114.19

103.244.1.233

188.165.132.183

213.155.0.208

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe

Executes dropped EXE 2 IoCs

pid	Process
4156	rahoteij.exe
3024	rahoteij.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\rahoteij.exe\""	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 4156 set thread context of 3024	4156	rahoteij.exe	88
PID 3024 set thread context of 2180	3024	rahoteij.exe	89

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
3520	2180	WerFault.exe	89

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	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rahoteij.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rahoteij.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe
4156	rahoteij.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1944 wrote to memory of 1640	1944	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	83
PID 1640 wrote to memory of 4156	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	85
PID 1640 wrote to memory of 4156	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	85
PID 1640 wrote to memory of 4156	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	85
PID 1640 wrote to memory of 444	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	86
PID 1640 wrote to memory of 444	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	86
PID 1640 wrote to memory of 444	1640	JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe	86
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 4156 wrote to memory of 3024	4156	rahoteij.exe	88
PID 3024 wrote to memory of 2180	3024	rahoteij.exe	89
PID 3024 wrote to memory of 2180	3024	rahoteij.exe	89
PID 3024 wrote to memory of 2180	3024	rahoteij.exe	89
PID 3024 wrote to memory of 2180	3024	rahoteij.exe	89
PID 3024 wrote to memory of 2180	3024	rahoteij.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_633916351d1724c5dee57d31ee60adb6.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Users\Admin\rahoteij.exe
    "C:\Users\Admin\rahoteij.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4156
  - - C:\Users\Admin\rahoteij.exe
      "C:\Users\Admin\rahoteij.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3024
    - - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2180
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 356
        6⤵
        Program crash
        
        PID:3520
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7135.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2180 -ip 2180
1⤵
PID:4436

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\7135.bat

Filesize
266B

MD5
1ab340cf432c9a87d50563a83c868c00

SHA1
883c4e47b5995189d054a224efeb571173b5fc3e

SHA256
e8d30c20e1a69b016413c8c34248c7021f803f11bc0a4dc014a72613d784dc3c

SHA512
e7289614b333bd64cdc736f9e7b8e2f19e3f62bd00cacda5e5341e53e4959cc76e6cd33a2e00c096d8c50e00a5e9e5d3b58b8fba5f6643bda758949c09e1a0a4

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

Filesize
41.6MB

MD5
2851f0e2ec867747a77ad9b661aacf8d

SHA1
d1502fec7be82fec12b383df97da70628b636548

SHA256
1395e3a6909178c96530d7496e74cf5c7a1431bf84f23d975ca00f4fa41f3721

SHA512
0f4802216a74f27c8d38fb62d9d90dcd87cf86e42167925b868c3ca8f794ba77c62d0ef8dcf68be4fdb9bf5e0e8d677c3c054f472dda5fd7c12fa495223d98c2

Download Submit
memory/1640-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1640-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1640-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1944-3-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/2180-29-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/2180-28-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/2180-24-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/2180-33-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/3024-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3024-25-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4156-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads