tofsee | ca90cb41af3bd78fcfd594aa6e92ba713bc8f39928f577036f97b62b9f2a8be3

Analysis

max time kernel
83s
max time network
88s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 12:45

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General

Target

fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
Size

205KB
MD5

fe8e61ef43583c2d6a67c49f626c657c
SHA1

0f067362b6285e4858250c606c4d1587e4e41e72
SHA256

ca90cb41af3bd78fcfd594aa6e92ba713bc8f39928f577036f97b62b9f2a8be3
SHA512

6b8139d7c51c057c886d68e06998a0899756d81fb3cf9288c36accd1146c05213f7715b8e34ac9be2bb78f652ef67cd1282a7c57bbdbcaf39fa608038618eae1
SSDEEP

6144:JMmdbOsHCU8TCOXlUS9f6mLTjr5/FUv0A+YpYA9OTZIu:OISsHCU8T5f9imLndyv0A16Tv

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

94.75.255.140

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

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

Deletes itself 1 IoCs

pid	Process
2832	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1464	daudur.exe
2728	daudur.exe

Loads dropped DLL 3 IoCs

pid	Process
2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
1464	daudur.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\daudur.exe\" /r"	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 1464 set thread context of 2728	1464	daudur.exe	31
PID 2728 set thread context of 2976	2728	daudur.exe	32

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

System Information Discovery
T1082

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	daudur.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	daudur.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	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2068 wrote to memory of 2256	2068	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	29
PID 2256 wrote to memory of 1464	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	30
PID 2256 wrote to memory of 1464	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	30
PID 2256 wrote to memory of 1464	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	30
PID 2256 wrote to memory of 1464	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	30
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 1464 wrote to memory of 2728	1464	daudur.exe	31
PID 2256 wrote to memory of 2832	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	33
PID 2256 wrote to memory of 2832	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	33
PID 2256 wrote to memory of 2832	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	33
PID 2256 wrote to memory of 2832	2256	fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe	33
PID 2728 wrote to memory of 2976	2728	daudur.exe	32
PID 2728 wrote to memory of 2976	2728	daudur.exe	32
PID 2728 wrote to memory of 2976	2728	daudur.exe	32
PID 2728 wrote to memory of 2976	2728	daudur.exe	32
PID 2728 wrote to memory of 2976	2728	daudur.exe	32
PID 2728 wrote to memory of 2976	2728	daudur.exe	32

C:\Users\Admin\AppData\Local\Temp\fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fe8e61ef43583c2d6a67c49f626c657c_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Users\Admin\daudur.exe
    "C:\Users\Admin\daudur.exe" /r
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - C:\Users\Admin\daudur.exe
      "C:\Users\Admin\daudur.exe" /r
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2976
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6402.bat" "
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2832

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 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\6402.bat

Filesize
117B

MD5
e314b01cc421e267c0805d1136bddd36

SHA1
802252dc01db55c376a018e8b3d2be91f60c3cd2

SHA256
e6b5a94f7aa7a037a520ee8022951b82084ad6de79a54cd2abfd4bbf61c47dfb

SHA512
24290d19bf06b68d4d491aebe7df5497f38ee7d6f841ddb8b98b27a7bd2e37dd38ff73758bce998058d889b50a1636bbaf596c31008d58773ab3f61d82e127c1

Download Submit
\Users\Admin\daudur.exe

Filesize
205KB

MD5
fe8e61ef43583c2d6a67c49f626c657c

SHA1
0f067362b6285e4858250c606c4d1587e4e41e72

SHA256
ca90cb41af3bd78fcfd594aa6e92ba713bc8f39928f577036f97b62b9f2a8be3

SHA512
6b8139d7c51c057c886d68e06998a0899756d81fb3cf9288c36accd1146c05213f7715b8e34ac9be2bb78f652ef67cd1282a7c57bbdbcaf39fa608038618eae1

Download Submit
memory/2256-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-57-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-14-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2256-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2728-39-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2976-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-50-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2976-60-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2976-63-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2976-65-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2976-66-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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