tofsee | 49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 21:08

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General

Target

JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe
Size

343KB
MD5

0c4c991cfff91ea0d5a0d965615045f1
SHA1

6b2eaec01ddd2e6fabb0fb0a0f9b5a4ea9eb61f0
SHA256

49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7
SHA512

86051fe550e600e349cd5caedca0656cf9133650cd66e5e2e3d36a7efc2d47e11c2bb3083322cd12a152f3aec548d0fa0bd2377bdeaea93c3a291718bc176ed9
SSDEEP

6144:i1wGn2+VYOw4WE0NpkAk6o4odsHvNU1grZ4BwY+q:iSG2+o57NKAk6o4odsHvNB4Btb

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\adooqlqq = "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
2776	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\adooqlqq\ImagePath = "C:\\Windows\\SysWOW64\\adooqlqq\\wcxajssn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	wcxajssn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2792	2856	wcxajssn.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2976	sc.exe
2844	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	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	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	wcxajssn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 2480	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	30
PID 972 wrote to memory of 2480	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	30
PID 972 wrote to memory of 2480	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	30
PID 972 wrote to memory of 2480	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	30
PID 972 wrote to memory of 2880	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	32
PID 972 wrote to memory of 2880	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	32
PID 972 wrote to memory of 2880	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	32
PID 972 wrote to memory of 2880	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	32
PID 972 wrote to memory of 2976	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	34
PID 972 wrote to memory of 2976	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	34
PID 972 wrote to memory of 2976	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	34
PID 972 wrote to memory of 2976	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	34
PID 972 wrote to memory of 2844	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	36
PID 972 wrote to memory of 2844	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	36
PID 972 wrote to memory of 2844	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	36
PID 972 wrote to memory of 2844	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	36
PID 972 wrote to memory of 2748	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	38
PID 972 wrote to memory of 2748	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	38
PID 972 wrote to memory of 2748	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	38
PID 972 wrote to memory of 2748	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	38
PID 972 wrote to memory of 2776	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	41
PID 972 wrote to memory of 2776	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	41
PID 972 wrote to memory of 2776	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	41
PID 972 wrote to memory of 2776	972	JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe	41
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43
PID 2856 wrote to memory of 2792	2856	wcxajssn.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\adooqlqq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wcxajssn.exe" C:\Windows\SysWOW64\adooqlqq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create adooqlqq binPath= "C:\Windows\SysWOW64\adooqlqq\wcxajssn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description adooqlqq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start adooqlqq
  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:2776

C:\Windows\SysWOW64\adooqlqq\wcxajssn.exe
C:\Windows\SysWOW64\adooqlqq\wcxajssn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49b1fc622e0df38a6db01ee66e1741dbd95ec9a489da4c0ea40e5929d0e7efc7.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2792

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\wcxajssn.exe

Filesize
11.8MB

MD5
f74a26443ba2b634831a8afa30df9d85

SHA1
c960e376472fd33618b13c8548dc346ac23cf7de

SHA256
2d0e613f0d0affc0e76ab9502321d794e556dd94dc46c82cbd07d0af83916390

SHA512
c675f67170afea662be0792aad11689a8f54b33c0582f94a886fca747ad891cac85c6152999bb0f06532a089a1566297f124caf3c87073a2e6837332b9b587ec

Download Submit
memory/972-7-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download
memory/972-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/972-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/972-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/972-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/972-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2792-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-17-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads