tofsee | 27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 02:19

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General

Target

JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe
Size

272KB
MD5

5926f552991160621e453a9a61fcac49
SHA1

3d19c882fb19d936519e936da722b62aea6959eb
SHA256

27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f
SHA512

44cab2bf4126e8224ce88906bfc565f59449da8e802e3000b60e991f21d694a3c9b1e4483c5b6b24ea13e1e910ad274d31af5f9b8390ffdc5d23ba283c6fae2b
SSDEEP

6144:wkjwNM3Y+ilFxjBGcdCMcXPxuzbgwu6L7ITsqSigaTwVf:xwNMoFXNGcdCMcXPxunnn7s

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\vwhabsqr = "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
2056	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\vwhabsqr\ImagePath = "C:\\Windows\\SysWOW64\\vwhabsqr\\vkpqksvo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
448	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1660	vkpqksvo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 448	1660	vkpqksvo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2812	sc.exe
2680	sc.exe
2748	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	svchost.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	vkpqksvo.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	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2792	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	30
PID 2956 wrote to memory of 2792	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	30
PID 2956 wrote to memory of 2792	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	30
PID 2956 wrote to memory of 2792	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	30
PID 2956 wrote to memory of 3008	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	32
PID 2956 wrote to memory of 3008	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	32
PID 2956 wrote to memory of 3008	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	32
PID 2956 wrote to memory of 3008	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	32
PID 2956 wrote to memory of 2812	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	34
PID 2956 wrote to memory of 2812	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	34
PID 2956 wrote to memory of 2812	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	34
PID 2956 wrote to memory of 2812	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	34
PID 2956 wrote to memory of 2680	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	36
PID 2956 wrote to memory of 2680	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	36
PID 2956 wrote to memory of 2680	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	36
PID 2956 wrote to memory of 2680	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	36
PID 2956 wrote to memory of 2748	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	38
PID 2956 wrote to memory of 2748	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	38
PID 2956 wrote to memory of 2748	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	38
PID 2956 wrote to memory of 2748	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	38
PID 2956 wrote to memory of 2056	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	41
PID 2956 wrote to memory of 2056	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	41
PID 2956 wrote to memory of 2056	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	41
PID 2956 wrote to memory of 2056	2956	JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe	41
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43
PID 1660 wrote to memory of 448	1660	vkpqksvo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vwhabsqr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vkpqksvo.exe" C:\Windows\SysWOW64\vwhabsqr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vwhabsqr binPath= "C:\Windows\SysWOW64\vwhabsqr\vkpqksvo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vwhabsqr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vwhabsqr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- 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:2056

C:\Windows\SysWOW64\vwhabsqr\vkpqksvo.exe
C:\Windows\SysWOW64\vwhabsqr\vkpqksvo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef0d08d288bc7b44dc6676837bf79d4b75a8515e427c58510c51adf141660f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- 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:448

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\vkpqksvo.exe

Filesize
11.3MB

MD5
b6ee98cb61725f40f2f2ae36fb88e28f

SHA1
3fc8ac256d87c37e3eca8f91e83b25b5f769f301

SHA256
879f5c5d4477710515f584d3ab1258a27b77506e08a6ea6fbfcefc42709b9e42

SHA512
3af77675524291bad7ba51a09fd969050dbb9c35662eed33b52454098d086fd7d3da10294090a34586a8edb450c2840990271c925df4b53b16a7e16b0b178f7f

Download Submit
memory/448-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/448-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/448-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/448-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/448-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1660-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2956-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2956-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2956-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2956-7-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2956-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2956-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads