tofsee | 1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 00:54

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General

Target

JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe
Size

210KB
MD5

0216b4518035394117782852e6929b39
SHA1

aa1f06ce86237f35f1a18c93801f5666d04e615e
SHA256

1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943
SHA512

c20ac3781ab4e2256f72ec6bec795bba99ce08d71dabc4afe2557a8425a78992b51fb81137dc644df462c408c7998d7200934d5a675e3204a59af0529d566cf7
SSDEEP

3072:j7sP8bp8Fj2+y8FdOhTuHwznQLBIHFLv1JWrxpzbgqru2sxkgaBChe:MUt8Fj2cFd4tlLNJuzbgwujiga

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\ihpkxfdz = "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
2808	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\ihpkxfdz\ImagePath = "C:\\Windows\\SysWOW64\\ihpkxfdz\\rjbihyjq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2384	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	rjbihyjq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2384	2760	rjbihyjq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2164	sc.exe
2172	sc.exe
2392	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_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.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	rjbihyjq.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	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 2316 wrote to memory of 3000	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	31
PID 2316 wrote to memory of 3000	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	31
PID 2316 wrote to memory of 3000	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	31
PID 2316 wrote to memory of 3000	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	31
PID 2316 wrote to memory of 1804	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	33
PID 2316 wrote to memory of 1804	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	33
PID 2316 wrote to memory of 1804	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	33
PID 2316 wrote to memory of 1804	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	33
PID 2316 wrote to memory of 2164	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	35
PID 2316 wrote to memory of 2164	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	35
PID 2316 wrote to memory of 2164	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	35
PID 2316 wrote to memory of 2164	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	35
PID 2316 wrote to memory of 2172	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	37
PID 2316 wrote to memory of 2172	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	37
PID 2316 wrote to memory of 2172	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	37
PID 2316 wrote to memory of 2172	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	37
PID 2316 wrote to memory of 2392	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	39
PID 2316 wrote to memory of 2392	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	39
PID 2316 wrote to memory of 2392	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	39
PID 2316 wrote to memory of 2392	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	39
PID 2316 wrote to memory of 2808	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	42
PID 2316 wrote to memory of 2808	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	42
PID 2316 wrote to memory of 2808	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	42
PID 2316 wrote to memory of 2808	2316	JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe	42
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44
PID 2760 wrote to memory of 2384	2760	rjbihyjq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ihpkxfdz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rjbihyjq.exe" C:\Windows\SysWOW64\ihpkxfdz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ihpkxfdz binPath= "C:\Windows\SysWOW64\ihpkxfdz\rjbihyjq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ihpkxfdz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ihpkxfdz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2392
- 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:2808

C:\Windows\SysWOW64\ihpkxfdz\rjbihyjq.exe
C:\Windows\SysWOW64\ihpkxfdz\rjbihyjq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b5c3e8a1f6ba47e6f30f78c44fdba79ac300c89530b032572cffd2af7ae6943.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2384

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\rjbihyjq.exe

Filesize
13.9MB

MD5
b549be2e0b6e974209e1820273e7148f

SHA1
b6a962bc10ed56f16600a42f80be63542defe222

SHA256
6ee77de67c0f25e6487cca4b5e48b016440e524c857c3e1f0b319ff114dc658c

SHA512
6d10fa1267334c2044b7774bee28d4b211a2a1cef2f4b954bf63acabd11c84835cbd928132e88c45757262728429e7fd81fc4ce1df3d6a158ad761c855c56b1a

Download Submit
memory/2316-7-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/2316-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-1-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2316-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2316-0-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/2316-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2384-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2384-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2384-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2384-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2760-14-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads