tofsee | a92b6a93db7ea36d4f071381e834674f1287d12369cbfd4771de1d24c59e8098

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
07-01-2025 18:45

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General

Target

JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe
Size

11.9MB
MD5

7370c84625b2934f2a214248087ab8bc
SHA1

e619e61235e83135a3783b526e6c4ecfa3bee716
SHA256

a92b6a93db7ea36d4f071381e834674f1287d12369cbfd4771de1d24c59e8098
SHA512

cac3b6d9a0e4f2f532c36b9c545f91a27c8e7aa6647f1d065f6fb260098edc3f2d513b070fabfa03f44c46159a2b51ff189d7abfe98c14c73dc561972e93ad4c
SSDEEP

49152:tkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

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\uxhdyzms = "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
2696	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\uxhdyzms\ImagePath = "C:\\Windows\\SysWOW64\\uxhdyzms\\iaszypah.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2604	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2372	iaszypah.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2604	2372	iaszypah.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2420	sc.exe
2312	sc.exe
1712	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.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	iaszypah.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 596 wrote to memory of 2896	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	31
PID 596 wrote to memory of 2896	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	31
PID 596 wrote to memory of 2896	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	31
PID 596 wrote to memory of 2896	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	31
PID 596 wrote to memory of 2068	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	33
PID 596 wrote to memory of 2068	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	33
PID 596 wrote to memory of 2068	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	33
PID 596 wrote to memory of 2068	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	33
PID 596 wrote to memory of 2420	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	35
PID 596 wrote to memory of 2420	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	35
PID 596 wrote to memory of 2420	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	35
PID 596 wrote to memory of 2420	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	35
PID 596 wrote to memory of 2312	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	37
PID 596 wrote to memory of 2312	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	37
PID 596 wrote to memory of 2312	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	37
PID 596 wrote to memory of 2312	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	37
PID 596 wrote to memory of 1712	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	39
PID 596 wrote to memory of 1712	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	39
PID 596 wrote to memory of 1712	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	39
PID 596 wrote to memory of 1712	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	39
PID 596 wrote to memory of 2696	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	42
PID 596 wrote to memory of 2696	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	42
PID 596 wrote to memory of 2696	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	42
PID 596 wrote to memory of 2696	596	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	42
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44
PID 2372 wrote to memory of 2604	2372	iaszypah.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uxhdyzms\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iaszypah.exe" C:\Windows\SysWOW64\uxhdyzms\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uxhdyzms binPath= "C:\Windows\SysWOW64\uxhdyzms\iaszypah.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uxhdyzms "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uxhdyzms
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1712
- 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:2696

C:\Windows\SysWOW64\uxhdyzms\iaszypah.exe
C:\Windows\SysWOW64\uxhdyzms\iaszypah.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2604

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\iaszypah.exe

Filesize
11.3MB

MD5
7ad9de1b99667a91e5b2e070269db24c

SHA1
54321869b1c9eaae9a630b55c0983b17c3729d47

SHA256
4e6cb8e9f58f135bd029cc0fdd230c364a4c92c33a8b6c30067d0d3dfa4fa5ce

SHA512
08bb86f0699ef0f180c45f26fb4869043dcbb53d33409cd43d42ac11b05c6dd83876a43c4410c9f64a0ffb8f6787ea95ac2f2e5258a4f964d67667e857ac1c98

Download Submit
memory/596-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/596-2-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/596-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/596-10-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/596-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/596-1-0x0000000000BF0000-0x0000000000CF0000-memory.dmp

Filesize
1024KB

Download
memory/2372-17-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2604-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2604-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2604-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2604-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads