tofsee | e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 01:24

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General

Target

JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe
Size

185KB
MD5

d27b2ce9b4ed5d0a7451ef9e8d099aaf
SHA1

bc45234704d9ee0b4c7aee62252bd3e2fc1f93ac
SHA256

e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b
SHA512

3845388ef1ef7afc26885461ec312247507195e8f8c5a4d918bb66bf90bc9bac774edb36ce93a9d9e01f05eb293e82681403f71050bdcd84effd55990224accd
SSDEEP

3072:27nDIxHSknMqtvpOc/6isHRrIcSzAhHr1PFTGa7Q6uBbVggjcGkNIVqIF:0IxykNpOcivxrzVhHD707ITsq

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\gtuzonza = "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
2868	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\gtuzonza\ImagePath = "C:\\Windows\\SysWOW64\\gtuzonza\\dwrdhwh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	dwrdhwh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2784	2920	dwrdhwh.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
2520	sc.exe
2824	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	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dwrdhwh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2172	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	29
PID 2304 wrote to memory of 2172	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	29
PID 2304 wrote to memory of 2172	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	29
PID 2304 wrote to memory of 2172	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	29
PID 2304 wrote to memory of 644	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	31
PID 2304 wrote to memory of 644	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	31
PID 2304 wrote to memory of 644	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	31
PID 2304 wrote to memory of 644	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	31
PID 2304 wrote to memory of 2948	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	33
PID 2304 wrote to memory of 2948	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	33
PID 2304 wrote to memory of 2948	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	33
PID 2304 wrote to memory of 2948	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	33
PID 2304 wrote to memory of 2520	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	35
PID 2304 wrote to memory of 2520	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	35
PID 2304 wrote to memory of 2520	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	35
PID 2304 wrote to memory of 2520	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	35
PID 2304 wrote to memory of 2824	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	37
PID 2304 wrote to memory of 2824	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	37
PID 2304 wrote to memory of 2824	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	37
PID 2304 wrote to memory of 2824	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	37
PID 2304 wrote to memory of 2868	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	40
PID 2304 wrote to memory of 2868	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	40
PID 2304 wrote to memory of 2868	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	40
PID 2304 wrote to memory of 2868	2304	JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe	40
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42
PID 2920 wrote to memory of 2784	2920	dwrdhwh.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gtuzonza\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dwrdhwh.exe" C:\Windows\SysWOW64\gtuzonza\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gtuzonza binPath= "C:\Windows\SysWOW64\gtuzonza\dwrdhwh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gtuzonza "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gtuzonza
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2868

C:\Windows\SysWOW64\gtuzonza\dwrdhwh.exe
C:\Windows\SysWOW64\gtuzonza\dwrdhwh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8cd082dad812bd35b097e5af74fe682a4f25b0a22d2aec37b76f5949c31f44b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- 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:2784

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\dwrdhwh.exe

Filesize
14.4MB

MD5
b77cfb28c2ed369cc2973377e19848d6

SHA1
b37f2da0131205956a4f361202e642e2e21b0004

SHA256
40865a0af0afd26cfb3e9e4ebc8b458456fd634fb21f21b69087f5865115e969

SHA512
6b3edef893ca3fa1b580da046d2ad7d858f10aa7589d7859103cc94852f9e72b664736f4246003d31a203d03a417bdcb1f367af66995d10199052f082649a638

Download Submit
memory/2304-7-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2304-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2304-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2304-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2304-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2920-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads