tofsee | 7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 10:30

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General

Target

JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe
Size

157KB
MD5

3d201b74a8262f54a9e1b4deb21ceb27
SHA1

98373771bf76faa60818e232002f1aa173299476
SHA256

7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393
SHA512

9017ac359dcde22358624585d040455b83bd147620b9666365c79cb386fdf35268f4804dbcb2d438567b5d1d24d97ed828709b4ab39efbf6e6e26bf3349563b2
SSDEEP

3072:+RBIdzINvPe8bO+xsCb0xo8oyHkksDlYHQB:SIGVmh+xh01h9H

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\dzvjqzjx = "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
2912	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\dzvjqzjx\ImagePath = "C:\\Windows\\SysWOW64\\dzvjqzjx\\exseixi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	exseixi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2756	2736	exseixi.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2036	sc.exe
2752	sc.exe
2884	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	exseixi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1708	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	31
PID 2188 wrote to memory of 1708	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	31
PID 2188 wrote to memory of 1708	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	31
PID 2188 wrote to memory of 1708	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	31
PID 2188 wrote to memory of 2812	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	33
PID 2188 wrote to memory of 2812	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	33
PID 2188 wrote to memory of 2812	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	33
PID 2188 wrote to memory of 2812	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	33
PID 2188 wrote to memory of 2036	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	35
PID 2188 wrote to memory of 2036	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	35
PID 2188 wrote to memory of 2036	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	35
PID 2188 wrote to memory of 2036	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	35
PID 2188 wrote to memory of 2884	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	37
PID 2188 wrote to memory of 2884	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	37
PID 2188 wrote to memory of 2884	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	37
PID 2188 wrote to memory of 2884	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	37
PID 2188 wrote to memory of 2752	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	39
PID 2188 wrote to memory of 2752	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	39
PID 2188 wrote to memory of 2752	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	39
PID 2188 wrote to memory of 2752	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	39
PID 2188 wrote to memory of 2912	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	42
PID 2188 wrote to memory of 2912	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	42
PID 2188 wrote to memory of 2912	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	42
PID 2188 wrote to memory of 2912	2188	JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe	42
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44
PID 2736 wrote to memory of 2756	2736	exseixi.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dzvjqzjx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\exseixi.exe" C:\Windows\SysWOW64\dzvjqzjx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dzvjqzjx binPath= "C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dzvjqzjx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dzvjqzjx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2912

C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe
C:\Windows\SysWOW64\dzvjqzjx\exseixi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d864dab15342d8bc85fcaa9bb271ab6667942fe36dcc6dc10531ac1f7a10393.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:2756

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

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Downloads

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

Filesize
10.5MB

MD5
58cbff84d69a53e0e327d39ef3270288

SHA1
979e5f754952600bbe0a2cd02c0faec6ece4f3e8

SHA256
807fa1d9c3d9a2b62813a9f38f2e1ff8bd365c1bf9e8abbb66a956a660dd8d47

SHA512
7a07daa5b47ce44d53556f6bd15cdfce1596ab264982bda6e65c9a48830e493008174231142d3733ea71f372721dc55930633e17753d28d3cdfc3d924c44119f

Download Submit
memory/2188-7-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/2188-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2188-1-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/2188-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2188-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2736-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2756-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2756-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2756-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2756-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads