tofsee | ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:10

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General

Target

JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe
Size

160KB
MD5

23372be181de07142d652d0cf68d98e8
SHA1

37facb53bc41fa1cc38eef318ef4dab567a4ca2a
SHA256

ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2
SHA512

5e0a98d7e0330146966e03b658e9f8b24e4b3f793d71ac477ede5adc44c13498285983b5967e95ce4ec5f6979370b570cd120c6152f4ba8907f7de3d7a24d66b
SSDEEP

3072:ilNGUja6RgviBlN7pZk9r+k7V6hBqeAH:KGUduol9kwvFA

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\ytyxyajn = "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
2956	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\ytyxyajn\ImagePath = "C:\\Windows\\SysWOW64\\ytyxyajn\\qjequju.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2820	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	qjequju.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2836 set thread context of 2820	2836	qjequju.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1484	sc.exe
3064	sc.exe
2460	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_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.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	netsh.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	qjequju.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1688	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	30
PID 2556 wrote to memory of 1688	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	30
PID 2556 wrote to memory of 1688	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	30
PID 2556 wrote to memory of 1688	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	30
PID 2556 wrote to memory of 1960	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	32
PID 2556 wrote to memory of 1960	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	32
PID 2556 wrote to memory of 1960	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	32
PID 2556 wrote to memory of 1960	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	32
PID 2556 wrote to memory of 1484	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	34
PID 2556 wrote to memory of 1484	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	34
PID 2556 wrote to memory of 1484	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	34
PID 2556 wrote to memory of 1484	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	34
PID 2556 wrote to memory of 3064	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	36
PID 2556 wrote to memory of 3064	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	36
PID 2556 wrote to memory of 3064	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	36
PID 2556 wrote to memory of 3064	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	36
PID 2556 wrote to memory of 2460	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	38
PID 2556 wrote to memory of 2460	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	38
PID 2556 wrote to memory of 2460	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	38
PID 2556 wrote to memory of 2460	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	38
PID 2556 wrote to memory of 2956	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	41
PID 2556 wrote to memory of 2956	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	41
PID 2556 wrote to memory of 2956	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	41
PID 2556 wrote to memory of 2956	2556	JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe	41
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43
PID 2836 wrote to memory of 2820	2836	qjequju.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ytyxyajn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qjequju.exe" C:\Windows\SysWOW64\ytyxyajn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ytyxyajn binPath= "C:\Windows\SysWOW64\ytyxyajn\qjequju.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ytyxyajn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ytyxyajn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2460
- 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:2956

C:\Windows\SysWOW64\ytyxyajn\qjequju.exe
C:\Windows\SysWOW64\ytyxyajn\qjequju.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed6a5352d6ae2913f1ac8a3e2304f11ab3e0422f96c8b594d89d031a8d6410d2.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- 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:2820

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\qjequju.exe

Filesize
10.3MB

MD5
bc98f1c26082f62d80f1a9cf3ffe27a8

SHA1
4b537fd1e46783d8b2fc69b6d08a235336fb2bef

SHA256
6424d58a0b157c00f8183058a338b4d0acde4d5b1706c0f4b91618afb41f01d2

SHA512
120d50f9f9c5b338a9a822ecdeef5723194266ae65eea6994b16ec346025d25b06ef9385e9ced9004ad9cb2f321f57da28eba25bb29341fadab14aebc8f02725

Download Submit
memory/2556-7-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2556-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2556-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2556-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2556-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2556-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2556-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2820-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-16-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads