tofsee | 94fcc1fdb0ae7b98b9cd743cc107e8b7cfe7acc2ee8332f8422753d1d8907dba

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 02:58

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General

Target

JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe
Size

15.0MB
MD5

44aff61225dc93f5a33a145a34b1f6e3
SHA1

54fac1b15397d5bba2eedd6ba52f67f6a9ff8f7c
SHA256

94fcc1fdb0ae7b98b9cd743cc107e8b7cfe7acc2ee8332f8422753d1d8907dba
SHA512

9273a73af5944438ee9256ad8d1a6de06eab470613df248c84322f8b58916a895ad364323f996b06f5597a0b46da343306b540f6acac5fef0c4d96139e0f2992
SSDEEP

3072:baS38GobyuzWzZOOUzjxrQGoLYs4ztTuG0AywlGuupORqJVOB2jLE5zfcLlJXSMZ:WSsfbyuRzZQn0Fzt28q+ZULfi

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\gicbmnqt = "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
2548	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\gicbmnqt\ImagePath = "C:\\Windows\\SysWOW64\\gicbmnqt\\tfaxeddr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3020	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	tfaxeddr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 3020	2660	tfaxeddr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2844	sc.exe
2888	sc.exe
2728	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_44aff61225dc93f5a33a145a34b1f6e3.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	tfaxeddr.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2760	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	30
PID 2240 wrote to memory of 2760	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	30
PID 2240 wrote to memory of 2760	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	30
PID 2240 wrote to memory of 2760	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	30
PID 2240 wrote to memory of 2704	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	32
PID 2240 wrote to memory of 2704	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	32
PID 2240 wrote to memory of 2704	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	32
PID 2240 wrote to memory of 2704	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	32
PID 2240 wrote to memory of 2844	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	34
PID 2240 wrote to memory of 2844	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	34
PID 2240 wrote to memory of 2844	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	34
PID 2240 wrote to memory of 2844	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	34
PID 2240 wrote to memory of 2888	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	36
PID 2240 wrote to memory of 2888	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	36
PID 2240 wrote to memory of 2888	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	36
PID 2240 wrote to memory of 2888	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	36
PID 2240 wrote to memory of 2728	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	38
PID 2240 wrote to memory of 2728	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	38
PID 2240 wrote to memory of 2728	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	38
PID 2240 wrote to memory of 2728	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	38
PID 2240 wrote to memory of 2548	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	41
PID 2240 wrote to memory of 2548	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	41
PID 2240 wrote to memory of 2548	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	41
PID 2240 wrote to memory of 2548	2240	JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe	41
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43
PID 2660 wrote to memory of 3020	2660	tfaxeddr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gicbmnqt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tfaxeddr.exe" C:\Windows\SysWOW64\gicbmnqt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gicbmnqt binPath= "C:\Windows\SysWOW64\gicbmnqt\tfaxeddr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gicbmnqt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gicbmnqt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- 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:2548

C:\Windows\SysWOW64\gicbmnqt\tfaxeddr.exe
C:\Windows\SysWOW64\gicbmnqt\tfaxeddr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- 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

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Downloads

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

Filesize
13.9MB

MD5
b60f122cd0edf25ef5de8b5e549c4742

SHA1
7419e5d29afef6c026919452ac638961abee9eba

SHA256
ae164d10a1efc9c7ace430462d98bb1003d5c3be83d0fef9fc5ee7a08bcb22f2

SHA512
e874c301787dc4a7c388422d21c75bb45e3d5f65bc4bdd25450ee42d4ce824ba57b7407d38d7f15a0d13578b48cb6c9739025422c733af30e6bc87a7477f7e61

Download Submit
memory/2240-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2240-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2240-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2240-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2240-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2240-1-0x0000000002FF0000-0x00000000030F0000-memory.dmp

Filesize
1024KB

Download
memory/2660-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/3020-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3020-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

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

Filesize
4KB

Download
memory/3020-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3020-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads