tofsee | bb6c607816040da1719c56e42077b18439e7644d852e8a4a35ea396d8d488cfe

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 17:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe
Size

14.7MB
MD5

31ce7ecd22ebd1a1df270380c9405da4
SHA1

3b00762970c7d824bc8c1654554e3c8e8511153b
SHA256

bb6c607816040da1719c56e42077b18439e7644d852e8a4a35ea396d8d488cfe
SHA512

70d782175e5d115f41249285aeb17c74e3b0b7ec18ab61eae971bde498ebd1cc2f95759d3a51791301444941d51030601fa2405b9bb84915b088461c5ed32cb9
SSDEEP

49152:DkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

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\uabauve = "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
2612	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\uabauve\ImagePath = "C:\\Windows\\SysWOW64\\uabauve\\wjspqvhu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2744	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	wjspqvhu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2744	2980	wjspqvhu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2716	sc.exe
2864	sc.exe
2988	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_31ce7ecd22ebd1a1df270380c9405da4.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	wjspqvhu.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 3028	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	30
PID 2036 wrote to memory of 3028	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	30
PID 2036 wrote to memory of 3028	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	30
PID 2036 wrote to memory of 3028	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	30
PID 2036 wrote to memory of 236	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	32
PID 2036 wrote to memory of 236	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	32
PID 2036 wrote to memory of 236	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	32
PID 2036 wrote to memory of 236	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	32
PID 2036 wrote to memory of 2716	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	34
PID 2036 wrote to memory of 2716	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	34
PID 2036 wrote to memory of 2716	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	34
PID 2036 wrote to memory of 2716	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	34
PID 2036 wrote to memory of 2864	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	36
PID 2036 wrote to memory of 2864	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	36
PID 2036 wrote to memory of 2864	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	36
PID 2036 wrote to memory of 2864	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	36
PID 2036 wrote to memory of 2988	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	38
PID 2036 wrote to memory of 2988	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	38
PID 2036 wrote to memory of 2988	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	38
PID 2036 wrote to memory of 2988	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	38
PID 2036 wrote to memory of 2612	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	41
PID 2036 wrote to memory of 2612	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	41
PID 2036 wrote to memory of 2612	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	41
PID 2036 wrote to memory of 2612	2036	JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe	41
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43
PID 2980 wrote to memory of 2744	2980	wjspqvhu.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uabauve\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wjspqvhu.exe" C:\Windows\SysWOW64\uabauve\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:236
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uabauve binPath= "C:\Windows\SysWOW64\uabauve\wjspqvhu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uabauve "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uabauve
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- 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:2612

C:\Windows\SysWOW64\uabauve\wjspqvhu.exe
C:\Windows\SysWOW64\uabauve\wjspqvhu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31ce7ecd22ebd1a1df270380c9405da4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:2744

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\wjspqvhu.exe

Filesize
10.6MB

MD5
b5893054c4f0f49cdf0446ad8e5fc260

SHA1
df3c4175811d5c4cf02222d47f8b79cf3370828f

SHA256
13a5c2e21b05b1b8a5ec720bdaf946e1dc92f5a52988c9cacbb6dfb95b9a2036

SHA512
d64ff1dec58ba6cda8a9c2fb70b2cb344383f935cf17280e9d9f384d6d9608be9b1d55183504ed3285b2165ffa84d0fb30cc15fbfdc589ee605ece3efdf001ba

Download Submit
memory/2036-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2036-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-1-0x0000000000910000-0x0000000000A10000-memory.dmp

Filesize
1024KB

Download
memory/2036-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2036-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2744-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-15-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads