tofsee | 520936f0d45054384bedb2f685da3b9d47c9bd989d552c856cc758d7c42b5701

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 18:47

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General

Target

2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe
Size

12.4MB
MD5

8c94d6b3385483ea8c78bc863da3bb6e
SHA1

f45058578f354f8b9a2b64c91cdaec3354250403
SHA256

520936f0d45054384bedb2f685da3b9d47c9bd989d552c856cc758d7c42b5701
SHA512

aac43c83d709b547ef5720642e1cf0d9c2f8d55cb4357ce04a32e28f002133230f8ec5de8686e2e5891fb55f29d1f7584b94858258144f19df4e0f630218925b
SSDEEP

49152:nqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:nqtYc3

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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

defense_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\edoiwjmr = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2692	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\edoiwjmr\ImagePath = "C:\\Windows\\SysWOW64\\edoiwjmr\\ywfgplaw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2876	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	ywfgplaw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2876	2672	ywfgplaw.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2748	sc.exe
2796	sc.exe
2680	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ywfgplaw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1928	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	31
PID 2348 wrote to memory of 1928	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	31
PID 2348 wrote to memory of 1928	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	31
PID 2348 wrote to memory of 1928	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	31
PID 2348 wrote to memory of 2644	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	33
PID 2348 wrote to memory of 2644	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	33
PID 2348 wrote to memory of 2644	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	33
PID 2348 wrote to memory of 2644	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	33
PID 2348 wrote to memory of 2748	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	35
PID 2348 wrote to memory of 2748	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	35
PID 2348 wrote to memory of 2748	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	35
PID 2348 wrote to memory of 2748	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	35
PID 2348 wrote to memory of 2796	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	37
PID 2348 wrote to memory of 2796	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	37
PID 2348 wrote to memory of 2796	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	37
PID 2348 wrote to memory of 2796	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	37
PID 2348 wrote to memory of 2680	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	39
PID 2348 wrote to memory of 2680	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	39
PID 2348 wrote to memory of 2680	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	39
PID 2348 wrote to memory of 2680	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	39
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2672 wrote to memory of 2876	2672	ywfgplaw.exe	42
PID 2348 wrote to memory of 2692	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	43
PID 2348 wrote to memory of 2692	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	43
PID 2348 wrote to memory of 2692	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	43
PID 2348 wrote to memory of 2692	2348	2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\edoiwjmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ywfgplaw.exe" C:\Windows\SysWOW64\edoiwjmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create edoiwjmr binPath= "C:\Windows\SysWOW64\edoiwjmr\ywfgplaw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description edoiwjmr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start edoiwjmr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- 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:2692

C:\Windows\SysWOW64\edoiwjmr\ywfgplaw.exe
C:\Windows\SysWOW64\edoiwjmr\ywfgplaw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_8c94d6b3385483ea8c78bc863da3bb6e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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\ywfgplaw.exe

Filesize
10.9MB

MD5
3bf729ef16213e8862081cce26c9c0d2

SHA1
1a3263776bf88022fe81ef4df4aeaea408bd4fab

SHA256
a6d87a2bd255cff39a5bffddde0af87e71066d0c85057a5fde89d429c9ed6786

SHA512
b5ce2d28217b8a55945ed5c45971f50dbd05a094e3ad0dfbe50d1b107f718e4d2c2eaeaa561a8b51051715f84a20c63f5db99bcb7faf731a4266c23e22d6dd64

Download Submit
memory/2348-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-1-0x0000000002F70000-0x0000000003070000-memory.dmp

Filesize
1024KB

Download
memory/2348-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2348-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2348-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2348-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2672-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2876-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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