tofsee | 2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:33

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General

Target

JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe
Size

147KB
MD5

9bc98020f65edd0e20f875752c4f7f2a
SHA1

b6d2e6452350b9024dc5c1b64f1c3c74bcbaad80
SHA256

2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b
SHA512

7d960a28ff1985404afbbe8aae97ac489c95a449ec8a2c30f0e870087269a2c6baaf63f32e008e0ca419626e0ec936a528905fa398e4eee4ff81cfacfcca9e63
SSDEEP

3072:CMh6zzNF8eQFYK7XstatZKObM/u86F2xZK2qfPhDXz:Cg6H38BFYKzsOkOQ/uIqfZ/

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\gtnkoxgz = "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
2728	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\gtnkoxgz\ImagePath = "C:\\Windows\\SysWOW64\\gtnkoxgz\\qoywwmvl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2788	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	qoywwmvl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2788	2896	qoywwmvl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2256	sc.exe
2880	sc.exe
1252	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	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.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	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qoywwmvl.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2908	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	30
PID 2132 wrote to memory of 2908	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	30
PID 2132 wrote to memory of 2908	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	30
PID 2132 wrote to memory of 2908	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	30
PID 2132 wrote to memory of 2376	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	32
PID 2132 wrote to memory of 2376	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	32
PID 2132 wrote to memory of 2376	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	32
PID 2132 wrote to memory of 2376	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	32
PID 2132 wrote to memory of 1252	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	34
PID 2132 wrote to memory of 1252	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	34
PID 2132 wrote to memory of 1252	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	34
PID 2132 wrote to memory of 1252	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	34
PID 2132 wrote to memory of 2256	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	36
PID 2132 wrote to memory of 2256	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	36
PID 2132 wrote to memory of 2256	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	36
PID 2132 wrote to memory of 2256	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	36
PID 2132 wrote to memory of 2880	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	38
PID 2132 wrote to memory of 2880	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	38
PID 2132 wrote to memory of 2880	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	38
PID 2132 wrote to memory of 2880	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	38
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	41
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	41
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	41
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe	41
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43
PID 2896 wrote to memory of 2788	2896	qoywwmvl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gtnkoxgz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qoywwmvl.exe" C:\Windows\SysWOW64\gtnkoxgz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gtnkoxgz binPath= "C:\Windows\SysWOW64\gtnkoxgz\qoywwmvl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gtnkoxgz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gtnkoxgz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2728

C:\Windows\SysWOW64\gtnkoxgz\qoywwmvl.exe
C:\Windows\SysWOW64\gtnkoxgz\qoywwmvl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa2e3c0368352f0cc46a5e42de6b156a172c45c8e95a39e80fecbb41dc2453b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2788

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\qoywwmvl.exe

Filesize
10.5MB

MD5
986699151f16333a8ef347f51924035d

SHA1
3a611ccb2235c42bac8d0e2c5d111f0284f8f49c

SHA256
a970a9e2d5f9ea809d26435ce70a6aa2eda144aa3651d12a0ef7088a873acb70

SHA512
8565a4b9f6a22e45f179fbf4505b864457c4ffc70e78c812e0ebad330b44331eb0dce3b84a8dceebd0d34013a61a986112c97038a37716b33e1e8be7f8d6270d

Download Submit
memory/2132-3-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2132-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2132-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2132-9-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2132-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2788-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2896-17-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads