tofsee | fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 06:11

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General

Target

JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe
Size

344KB
MD5

e4022343f6c7ef942cc533df3e78d5ed
SHA1

b8983551fe88d4cba4bf7e0dc9f83714a5fc0a47
SHA256

fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0
SHA512

80ba74761c5b39471e558cdd9f7cf6ce8ad98f62d0b4518d5d49c145dfd7ae1b0409ab43e861ee8ae976bdc4f74d8f2edaaf80a02c6cf24dd0444d7f00044e02
SSDEEP

6144:Ymm51OozxJmVvxcJbWQ1Jr9slONxR/iQNAyukonIYq:GjJmtq1WQ1JrCMZ/iQeZPp

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\drbeetiz = "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
2844	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\drbeetiz\ImagePath = "C:\\Windows\\SysWOW64\\drbeetiz\\zsdtebun.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2876	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	zsdtebun.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2876	2828	zsdtebun.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2536	sc.exe
2248	sc.exe
2980	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.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	zsdtebun.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3044	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	30
PID 2404 wrote to memory of 3044	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	30
PID 2404 wrote to memory of 3044	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	30
PID 2404 wrote to memory of 3044	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	30
PID 2404 wrote to memory of 2036	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	32
PID 2404 wrote to memory of 2036	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	32
PID 2404 wrote to memory of 2036	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	32
PID 2404 wrote to memory of 2036	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	32
PID 2404 wrote to memory of 2536	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	34
PID 2404 wrote to memory of 2536	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	34
PID 2404 wrote to memory of 2536	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	34
PID 2404 wrote to memory of 2536	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	34
PID 2404 wrote to memory of 2248	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	36
PID 2404 wrote to memory of 2248	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	36
PID 2404 wrote to memory of 2248	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	36
PID 2404 wrote to memory of 2248	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	36
PID 2404 wrote to memory of 2980	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	38
PID 2404 wrote to memory of 2980	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	38
PID 2404 wrote to memory of 2980	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	38
PID 2404 wrote to memory of 2980	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	38
PID 2404 wrote to memory of 2844	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	41
PID 2404 wrote to memory of 2844	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	41
PID 2404 wrote to memory of 2844	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	41
PID 2404 wrote to memory of 2844	2404	JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe	41
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43
PID 2828 wrote to memory of 2876	2828	zsdtebun.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\drbeetiz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zsdtebun.exe" C:\Windows\SysWOW64\drbeetiz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2036
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create drbeetiz binPath= "C:\Windows\SysWOW64\drbeetiz\zsdtebun.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description drbeetiz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start drbeetiz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- 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:2844

C:\Windows\SysWOW64\drbeetiz\zsdtebun.exe
C:\Windows\SysWOW64\drbeetiz\zsdtebun.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2876

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\zsdtebun.exe

Filesize
11.9MB

MD5
2ab85fc621cbc712b01d9876e9cfe2b0

SHA1
a3dff9b0f9d8cf2c6fa6a20219f639010034094e

SHA256
a80cf6405ee0adff4e90dfc2708bd60cf3d094cbd48b2ade8d6c6ca59ad2e85b

SHA512
be03378fc45fa0e74db79637c2669f6a281062b823b3fa7d87ff857918fac36aed228941b1b2638b2e70c2523f4fbf878a236d5d052afd250df6290e01cb1944

Download Submit
memory/2404-7-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download
memory/2404-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2404-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2404-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2404-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2404-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2828-16-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download
memory/2876-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads