tofsee | 72c549a180415c914d6ff4b0247f8a19904aacb08c4db4e24fd4e6f92af3d39c

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 23:13

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General

Target

6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe
Size

11.7MB
MD5

6c479a3713975d2c9e5e8ebfb1d9ee78
SHA1

06475d07307cedd887d4792af33288ed7fe08524
SHA256

72c549a180415c914d6ff4b0247f8a19904aacb08c4db4e24fd4e6f92af3d39c
SHA512

f1e18ea6df202a7fc67470dea69a6fa275e85fbea297909b4816e01c65cb93116bb8fc1e0215e36a42d0a9d2b6ef33f7b7fa83e995157a8e0e247305b4754938
SSDEEP

98304:KYTPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPX:K

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.6

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\sjjundyg = "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\sjjundyg\ImagePath = "C:\\Windows\\SysWOW64\\sjjundyg\\wtqoalao.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2736	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	wtqoalao.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2736	2752	wtqoalao.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2692	sc.exe
2704	sc.exe
2836	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.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	wtqoalao.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2380	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	31
PID 1488 wrote to memory of 2380	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	31
PID 1488 wrote to memory of 2380	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	31
PID 1488 wrote to memory of 2380	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	31
PID 1488 wrote to memory of 2144	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	33
PID 1488 wrote to memory of 2144	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	33
PID 1488 wrote to memory of 2144	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	33
PID 1488 wrote to memory of 2144	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	33
PID 1488 wrote to memory of 2692	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	35
PID 1488 wrote to memory of 2692	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	35
PID 1488 wrote to memory of 2692	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	35
PID 1488 wrote to memory of 2692	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	35
PID 1488 wrote to memory of 2704	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	37
PID 1488 wrote to memory of 2704	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	37
PID 1488 wrote to memory of 2704	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	37
PID 1488 wrote to memory of 2704	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	37
PID 1488 wrote to memory of 2836	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	39
PID 1488 wrote to memory of 2836	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	39
PID 1488 wrote to memory of 2836	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	39
PID 1488 wrote to memory of 2836	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	39
PID 1488 wrote to memory of 2724	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	42
PID 1488 wrote to memory of 2724	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	42
PID 1488 wrote to memory of 2724	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	42
PID 1488 wrote to memory of 2724	1488	6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe	42
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44
PID 2752 wrote to memory of 2736	2752	wtqoalao.exe	44

C:\Users\Admin\AppData\Local\Temp\6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sjjundyg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wtqoalao.exe" C:\Windows\SysWOW64\sjjundyg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sjjundyg binPath= "C:\Windows\SysWOW64\sjjundyg\wtqoalao.exe /d\"C:\Users\Admin\AppData\Local\Temp\6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sjjundyg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sjjundyg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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\sjjundyg\wtqoalao.exe
C:\Windows\SysWOW64\sjjundyg\wtqoalao.exe /d"C:\Users\Admin\AppData\Local\Temp\6c479a3713975d2c9e5e8ebfb1d9ee78_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2736

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\wtqoalao.exe

Filesize
13.9MB

MD5
21acfd781363ee1cadc8051eefdc4d1d

SHA1
afe587d0cc6d8ca5d9a9fb8bba6388e5a4386e87

SHA256
f8feff7340b277bd46795ce8b0ec8ece4d713c7a40b851b38fb8c73ffc7bcb30

SHA512
946da5647074f7a54f9cdc51db1e0e089acd2b1fc5554686e660e93a3875ba086bd69211e7383187b5ae00c4c74498d49aa1784b55f09094911669b5258683f7

Download Submit
memory/1488-10-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download
memory/1488-4-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/1488-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1488-8-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/1488-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1488-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download
memory/2736-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-17-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads