tofsee | 1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 23:55

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General

Target

JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe
Size

287KB
MD5

d719adb465300da4191335157512911a
SHA1

83d8620cfceb89a872c91e7b2556e256f6d0b1bc
SHA256

1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da
SHA512

da62eee9cadb8041e67578582516da8c5852ccc1e07bd303ae1101e3f0e35bae89d5edf7f7883147131b08f2ff6908d2542c2f8dd337d016120c927de8c354e0
SSDEEP

3072:TtqVySHUVjW3ji9JHzlay9X5PVr6u0ay/MD3aiGKeVveyc4QbvmVYVjIR8oaPAAj:TtCybs3jinTlaCJPeNZ1elWYVU6aPQN

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\luienawg = "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
2724	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\luienawg\ImagePath = "C:\\Windows\\SysWOW64\\luienawg\\krdqzmnh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2804	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	krdqzmnh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2804	2772	krdqzmnh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2244	sc.exe
2760	sc.exe
2844	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_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.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	krdqzmnh.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 784	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	30
PID 2068 wrote to memory of 784	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	30
PID 2068 wrote to memory of 784	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	30
PID 2068 wrote to memory of 784	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	30
PID 2068 wrote to memory of 2496	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	32
PID 2068 wrote to memory of 2496	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	32
PID 2068 wrote to memory of 2496	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	32
PID 2068 wrote to memory of 2496	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	32
PID 2068 wrote to memory of 2244	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	34
PID 2068 wrote to memory of 2244	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	34
PID 2068 wrote to memory of 2244	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	34
PID 2068 wrote to memory of 2244	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	34
PID 2068 wrote to memory of 2760	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	36
PID 2068 wrote to memory of 2760	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	36
PID 2068 wrote to memory of 2760	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	36
PID 2068 wrote to memory of 2760	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	36
PID 2068 wrote to memory of 2844	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	38
PID 2068 wrote to memory of 2844	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	38
PID 2068 wrote to memory of 2844	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	38
PID 2068 wrote to memory of 2844	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	38
PID 2068 wrote to memory of 2724	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	41
PID 2068 wrote to memory of 2724	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	41
PID 2068 wrote to memory of 2724	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	41
PID 2068 wrote to memory of 2724	2068	JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe	41
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43
PID 2772 wrote to memory of 2804	2772	krdqzmnh.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\luienawg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\krdqzmnh.exe" C:\Windows\SysWOW64\luienawg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create luienawg binPath= "C:\Windows\SysWOW64\luienawg\krdqzmnh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description luienawg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start luienawg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- 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:2724

C:\Windows\SysWOW64\luienawg\krdqzmnh.exe
C:\Windows\SysWOW64\luienawg\krdqzmnh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1088b645163d16ec86ee0a3ec11de3157d364cdcebce858a105520644f9011da.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2804

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\krdqzmnh.exe

Filesize
14.0MB

MD5
ded61cf2cb95e30ee665213c96a2384b

SHA1
a2f84c28b86167192c2ce020a0ef4a2e5b00b918

SHA256
504c2bceb73be3d2808d643e39742a81ce0f69f74cd58dfc65352d9f026d158f

SHA512
d7fbf28f8617db5f775c9b33e627b41b5f3638b123d6ba5c019b854101b8170668294bbe2cf443d4db21de240355e70a8f029f5d9902b77ebad7db71b9d4382d

Download Submit
memory/2068-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2068-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2068-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/2772-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2804-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2804-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-14-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2804-16-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2804-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads