tofsee | a9a291b7f9911e58c9f650f2bd37589abcb3bef5c2ff650702cca54f5bee7434

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 16:03

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General

Target

JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe
Size

11.4MB
MD5

5b720f313daee0403bb2584910f0eea6
SHA1

16c1148e04eb92bcc6e4469c883979f52fa95241
SHA256

a9a291b7f9911e58c9f650f2bd37589abcb3bef5c2ff650702cca54f5bee7434
SHA512

da27f80d5d66bd8fc99ea0edc097875a074a6f4499319ac05f0cd03de1c85d859b5411cd8fcf40c191221008c6eb70efc7c51ab506047d176d09629044e7f794
SSDEEP

98304:e+ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:e

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\azsdbbpw = "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
2792	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\azsdbbpw\ImagePath = "C:\\Windows\\SysWOW64\\azsdbbpw\\zlgdkjjx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2844	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	zlgdkjjx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2844	2904	zlgdkjjx.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2884	sc.exe
1976	sc.exe
2504	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	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.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	svchost.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	zlgdkjjx.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2588	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	31
PID 956 wrote to memory of 2588	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	31
PID 956 wrote to memory of 2588	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	31
PID 956 wrote to memory of 2588	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	31
PID 956 wrote to memory of 2320	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	33
PID 956 wrote to memory of 2320	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	33
PID 956 wrote to memory of 2320	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	33
PID 956 wrote to memory of 2320	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	33
PID 956 wrote to memory of 1976	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	35
PID 956 wrote to memory of 1976	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	35
PID 956 wrote to memory of 1976	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	35
PID 956 wrote to memory of 1976	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	35
PID 956 wrote to memory of 2504	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	37
PID 956 wrote to memory of 2504	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	37
PID 956 wrote to memory of 2504	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	37
PID 956 wrote to memory of 2504	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	37
PID 956 wrote to memory of 2884	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	39
PID 956 wrote to memory of 2884	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	39
PID 956 wrote to memory of 2884	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	39
PID 956 wrote to memory of 2884	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	39
PID 956 wrote to memory of 2792	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	42
PID 956 wrote to memory of 2792	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	42
PID 956 wrote to memory of 2792	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	42
PID 956 wrote to memory of 2792	956	JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe	42
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44
PID 2904 wrote to memory of 2844	2904	zlgdkjjx.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\azsdbbpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zlgdkjjx.exe" C:\Windows\SysWOW64\azsdbbpw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create azsdbbpw binPath= "C:\Windows\SysWOW64\azsdbbpw\zlgdkjjx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description azsdbbpw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2504
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start azsdbbpw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2792

C:\Windows\SysWOW64\azsdbbpw\zlgdkjjx.exe
C:\Windows\SysWOW64\azsdbbpw\zlgdkjjx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b720f313daee0403bb2584910f0eea6.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- 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:2844

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\zlgdkjjx.exe

Filesize
12.0MB

MD5
dce6cb58c16d9ec7b234cc9fc257aa0d

SHA1
871404aa921c594fd32d8255cca2b826b6781117

SHA256
ac7f19bc26cb0b1b9be1ca90dc5ca5affafe900009f73f50f4327f6bb1570fdd

SHA512
98e711f1cc2735b03e0d1b263bb368367d400b45ff50d4a56dfa57e2e83429063db4387042a28c9ff2d474aec9b10f07e6c0fe4a6547bd171ca7502d08f2e56d

Download Submit
memory/956-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/956-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/956-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/956-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/956-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/956-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2844-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2844-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads