tofsee | e11157730420c038e6702247490af3b14b33fd80f0f38bca6177a19ec59bb010

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 02:51

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General

Target

814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe
Size

11.7MB
MD5

814db4af086ab24f5846ff14a3ab4581
SHA1

2f18d1dbe8f9318264b7ac6c4331394f5fa7679d
SHA256

e11157730420c038e6702247490af3b14b33fd80f0f38bca6177a19ec59bb010
SHA512

b3132a415fce312efae55a27894305513ef9f33f8506e3f26dad4c953fc9185f50a577cb775e9d769c7239fce67fc0d16ccb865d4021d77e3cec72c15ce3f6ab
SSDEEP

12288:/1vfanyphPu2xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFZ:9vfEyph

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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\akaddwnw = "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
2664	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\akaddwnw\ImagePath = "C:\\Windows\\SysWOW64\\akaddwnw\\onbdroph.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2720	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	onbdroph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2720	2792	onbdroph.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2444	sc.exe
3068	sc.exe
2808	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	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	onbdroph.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1560	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	31
PID 2328 wrote to memory of 1560	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	31
PID 2328 wrote to memory of 1560	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	31
PID 2328 wrote to memory of 1560	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	31
PID 2328 wrote to memory of 480	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	33
PID 2328 wrote to memory of 480	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	33
PID 2328 wrote to memory of 480	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	33
PID 2328 wrote to memory of 480	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	33
PID 2328 wrote to memory of 2444	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	35
PID 2328 wrote to memory of 2444	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	35
PID 2328 wrote to memory of 2444	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	35
PID 2328 wrote to memory of 2444	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	35
PID 2328 wrote to memory of 3068	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	37
PID 2328 wrote to memory of 3068	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	37
PID 2328 wrote to memory of 3068	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	37
PID 2328 wrote to memory of 3068	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	37
PID 2328 wrote to memory of 2808	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	39
PID 2328 wrote to memory of 2808	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	39
PID 2328 wrote to memory of 2808	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	39
PID 2328 wrote to memory of 2808	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	39
PID 2328 wrote to memory of 2664	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	42
PID 2328 wrote to memory of 2664	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	42
PID 2328 wrote to memory of 2664	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	42
PID 2328 wrote to memory of 2664	2328	814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe	42
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44
PID 2792 wrote to memory of 2720	2792	onbdroph.exe	44

C:\Users\Admin\AppData\Local\Temp\814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\akaddwnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\onbdroph.exe" C:\Windows\SysWOW64\akaddwnw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create akaddwnw binPath= "C:\Windows\SysWOW64\akaddwnw\onbdroph.exe /d\"C:\Users\Admin\AppData\Local\Temp\814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description akaddwnw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start akaddwnw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- 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:2664

C:\Windows\SysWOW64\akaddwnw\onbdroph.exe
C:\Windows\SysWOW64\akaddwnw\onbdroph.exe /d"C:\Users\Admin\AppData\Local\Temp\814db4af086ab24f5846ff14a3ab4581_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- 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:2720

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\onbdroph.exe

Filesize
12.5MB

MD5
7e71e0e291732937a2747fe94fc5ec94

SHA1
c1ecae8d3cdf5f70af95e9c19e74a121861c30a0

SHA256
fff0a4b83e6ed5ec34201b76f734a36bc136b8db6896406d192f8c39a51159f7

SHA512
1cf0aa95f35359386c809f5eb9ba6745b448143c8afdfe4bf37451339817c65c88d9a13d433b5ee5cf56811784a5368bf844f767f23a4f3468a74e76d18a42bc

Download Submit
memory/2328-7-0x0000000000400000-0x0000000003379000-memory.dmp

Filesize
47.5MB

Download
memory/2328-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-1-0x0000000003400000-0x0000000003500000-memory.dmp

Filesize
1024KB

Download
memory/2720-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2720-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2720-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2720-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2792-16-0x0000000000400000-0x0000000003379000-memory.dmp

Filesize
47.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads