tofsee | 2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe
Size

242KB
MD5

7b3d80fc9558e0087f546c82f87b3810
SHA1

794832d367e44686dc9488fd342d5f6959c730ab
SHA256

2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8
SHA512

0cd3a0f366e006476355a8a8e09d6558a894ed01b071717730cb921315caa1ac4a85bcff1c28f91d78d81b4b6e1be661eb17b25c83ec9e4fb0fc26b9dfa15e3f
SSDEEP

6144:RvD9GxJa8fWFe/3T808AnaTpzNjMlO5FeT:BD9ka8f+e/LhnaFzNjM+e

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

niflheimr.cn

jotunheim.name

Signatures

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\hekdytje = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3036	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\hekdytje\ImagePath = "C:\\Windows\\SysWOW64\\hekdytje\\zqpleiyu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3020	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	zqpleiyu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 3020	2780	zqpleiyu.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2836	sc.exe
2192	sc.exe
2768	sc.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zqpleiyu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2236	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	30
PID 1868 wrote to memory of 2236	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	30
PID 1868 wrote to memory of 2236	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	30
PID 1868 wrote to memory of 2236	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	30
PID 1868 wrote to memory of 1444	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	32
PID 1868 wrote to memory of 1444	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	32
PID 1868 wrote to memory of 1444	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	32
PID 1868 wrote to memory of 1444	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	32
PID 1868 wrote to memory of 2192	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	34
PID 1868 wrote to memory of 2192	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	34
PID 1868 wrote to memory of 2192	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	34
PID 1868 wrote to memory of 2192	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	34
PID 1868 wrote to memory of 2768	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	36
PID 1868 wrote to memory of 2768	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	36
PID 1868 wrote to memory of 2768	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	36
PID 1868 wrote to memory of 2768	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	36
PID 1868 wrote to memory of 2836	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	38
PID 1868 wrote to memory of 2836	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	38
PID 1868 wrote to memory of 2836	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	38
PID 1868 wrote to memory of 2836	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	38
PID 1868 wrote to memory of 3036	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	41
PID 1868 wrote to memory of 3036	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	41
PID 1868 wrote to memory of 3036	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	41
PID 1868 wrote to memory of 3036	1868	JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe	41
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43
PID 2780 wrote to memory of 3020	2780	zqpleiyu.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hekdytje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zqpleiyu.exe" C:\Windows\SysWOW64\hekdytje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hekdytje binPath= "C:\Windows\SysWOW64\hekdytje\zqpleiyu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hekdytje "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hekdytje
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3036

C:\Windows\SysWOW64\hekdytje\zqpleiyu.exe
C:\Windows\SysWOW64\hekdytje\zqpleiyu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a761bb12b50dc7ab5f4b6d5b8ab1c3f17d3f1d39f4fe26e3fe4a3cde21c89d8.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\zqpleiyu.exe

Filesize
13.4MB

MD5
235d87ab13db8c6256d21aace5f5ac93

SHA1
464c42b3102ebe3b2cc038980b09d2db8521335f

SHA256
e363de16d848a6c1374f690bbc77d325cf3bd53e5d12427e4e0f4faa2858a314

SHA512
8f8ddfc5deacaec87019ffcd7a0e86758b5b95a2d859591dbf4fd5e270959521b460b2476a1af29b16ad22e7b1b119f980c9673469b519a0fd95cdc4561f07d2

Download Submit
memory/1868-7-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1868-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1868-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1868-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1868-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1868-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2780-16-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3020-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads