tofsee | 9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 02:43

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General

Target
JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
Size 332KB
Sample241225-c7xsysvqen
SHA256 9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a
MD5 5b00d589baefadac0c52421428116f82
SHA1 adedf80020d95172b77e961aec1b6a135f0cb124
SHA512 4e92cd23597bf96e5fabc5d826cb9ca4fa0a826d6c44f7c20d71e0682d666c6ed9612a2936bc15f42de88f46d71af2ecf092eef0a3b8fe62b76180eab326f3b3
SSDEEP 6144:coVdMvx4jPA3HBNg6MZ9wdNs+8rDwzC5LxQEiD7VizfvBhh:9X0+jPoa6MZ9wdNs++czC5mLgzXBh
MD5 SHA1 SHA512 SSDEEP

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
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
896	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\uqcrudmo\ImagePath = "C:\\Windows\\SysWOW64\\uqcrudmo\\tqbgeoli.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe

Deletes itself 1 IoCs

pid	Process
2164	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4268	tqbgeoli.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 2164	4268	tqbgeoli.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1476	sc.exe
4316	sc.exe
2732	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
376	3540	WerFault.exe	81
5008	4268	WerFault.exe	92

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_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tqbgeoli.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 1828	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	82
PID 3540 wrote to memory of 1828	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	82
PID 3540 wrote to memory of 1828	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	82
PID 3540 wrote to memory of 1676	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	84
PID 3540 wrote to memory of 1676	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	84
PID 3540 wrote to memory of 1676	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	84
PID 3540 wrote to memory of 1476	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	86
PID 3540 wrote to memory of 1476	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	86
PID 3540 wrote to memory of 1476	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	86
PID 3540 wrote to memory of 4316	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	88
PID 3540 wrote to memory of 4316	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	88
PID 3540 wrote to memory of 4316	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	88
PID 3540 wrote to memory of 2732	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	90
PID 3540 wrote to memory of 2732	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	90
PID 3540 wrote to memory of 2732	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	90
PID 3540 wrote to memory of 896	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	93
PID 3540 wrote to memory of 896	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	93
PID 3540 wrote to memory of 896	3540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	93
PID 4268 wrote to memory of 2164	4268	tqbgeoli.exe	98
PID 4268 wrote to memory of 2164	4268	tqbgeoli.exe	98
PID 4268 wrote to memory of 2164	4268	tqbgeoli.exe	98
PID 4268 wrote to memory of 2164	4268	tqbgeoli.exe	98
PID 4268 wrote to memory of 2164	4268	tqbgeoli.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uqcrudmo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1828
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tqbgeoli.exe" C:\Windows\SysWOW64\uqcrudmo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uqcrudmo binPath= "C:\Windows\SysWOW64\uqcrudmo\tqbgeoli.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uqcrudmo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uqcrudmo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- 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:896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 804
  2⤵
  - Program crash
  PID:376

C:\Windows\SysWOW64\uqcrudmo\tqbgeoli.exe
C:\Windows\SysWOW64\uqcrudmo\tqbgeoli.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 516
  2⤵
  - Program crash
  PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3540 -ip 3540
1⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4268 -ip 4268
1⤵
PID:1064

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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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tqbgeoli.exe

Path C:\Users\Admin\AppData\Local\Temp\tqbgeoli.exe
Size 13.3MB
SHA256 eb9dfa33e38ad1a3069a9ebf648b0fd8ce34b3785d9ff7b0623c821c74736f02
MD5 69eb26685fcf60ffbb47ec5ab703808c
SHA1 4a456d6c4ea2eab8a41bbcae32c947d88598cd2f
SHA512 2393eb14e388f78406431f70670ad844f1fb5879f779908e6d5f5adb90f65b91be2f40ee21e689dd9401f61fddd1ac769247f7051649c164c2403f360f276f38
SSDEEP 6144:FoVdMvx4jPA3HBNg6MZ9wdNs+8rDwzC5LxQEiD7VizfvBhh:aX0+jPoa6MZ9wdNs++czC5mLgzXBh
MD5 SHA1 SHA512 SSDEEP

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memory/2164-11-0x0000000001010000-0x0000000001025000-memory.dmp

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memory/2164-13-0x0000000001010000-0x0000000001025000-memory.dmp

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memory/2164-14-0x0000000001010000-0x0000000001025000-memory.dmp

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memory/3540-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

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memory/3540-2-0x0000000002CF0000-0x0000000002D03000-memory.dmp

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memory/3540-3-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/3540-9-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/3540-8-0x0000000002CF0000-0x0000000002D03000-memory.dmp

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memory/3540-7-0x0000000000400000-0x0000000002B4B000-memory.dmp

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memory/4268-15-0x0000000000400000-0x0000000002B4B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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