tofsee | 5cdda5a30dfac65c765ddba79a5eb58eea819a818347e6b9a15e138a553e9c1c

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 18:39

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General

Target

2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe
Size

11.9MB
MD5

cf1ee4c0d22d48ebd7ba5de6d28e37ff
SHA1

feffa2b1e47bb1770e61c0f1b76b37cb4ee4ad1d
SHA256

5cdda5a30dfac65c765ddba79a5eb58eea819a818347e6b9a15e138a553e9c1c
SHA512

6fd0cf200d338613a6eabfe20d12576572c73d12f99e01a7e1b2d431d3b692b6fbb2149e9a48463ee9235bb2e1dfefae692c1e11f9cdf20e970624841b3892b1
SSDEEP

49152:OqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:OqtYc3

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\rrffckhm = "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
1144	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\rrffckhm\ImagePath = "C:\\Windows\\SysWOW64\\rrffckhm\\saptgenn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2956	saptgenn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2848	2956	saptgenn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2368	sc.exe
2788	sc.exe
2800	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	saptgenn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2592	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	30
PID 2408 wrote to memory of 2592	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	30
PID 2408 wrote to memory of 2592	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	30
PID 2408 wrote to memory of 2592	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	30
PID 2408 wrote to memory of 1972	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	32
PID 2408 wrote to memory of 1972	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	32
PID 2408 wrote to memory of 1972	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	32
PID 2408 wrote to memory of 1972	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	32
PID 2408 wrote to memory of 2368	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	34
PID 2408 wrote to memory of 2368	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	34
PID 2408 wrote to memory of 2368	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	34
PID 2408 wrote to memory of 2368	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	34
PID 2408 wrote to memory of 2788	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	36
PID 2408 wrote to memory of 2788	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	36
PID 2408 wrote to memory of 2788	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	36
PID 2408 wrote to memory of 2788	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	36
PID 2408 wrote to memory of 2800	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	38
PID 2408 wrote to memory of 2800	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	38
PID 2408 wrote to memory of 2800	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	38
PID 2408 wrote to memory of 2800	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	38
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2956 wrote to memory of 2848	2956	saptgenn.exe	41
PID 2408 wrote to memory of 1144	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	42
PID 2408 wrote to memory of 1144	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	42
PID 2408 wrote to memory of 1144	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	42
PID 2408 wrote to memory of 1144	2408	2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rrffckhm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\saptgenn.exe" C:\Windows\SysWOW64\rrffckhm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rrffckhm binPath= "C:\Windows\SysWOW64\rrffckhm\saptgenn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rrffckhm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rrffckhm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:1144

C:\Windows\SysWOW64\rrffckhm\saptgenn.exe
C:\Windows\SysWOW64\rrffckhm\saptgenn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_cf1ee4c0d22d48ebd7ba5de6d28e37ff_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- 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:2848

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\saptgenn.exe

Filesize
11.0MB

MD5
ce1d703ddf4fa438fbb93c9473578a71

SHA1
8bb244e49588139f57e090a795654701e57c6da1

SHA256
537dbeebe9b285a5174f1c3f1ca3b1096d57865d06d08a6c044c41347039eb83

SHA512
f26c125f538bce872909e4b243f4c3dd68d9231a260d42167202be9a8426aad7e4fd5eb8cfdb0ff2f16c4abe41bfb04b748be70619a990828caf1f8500fc9a90

Download Submit
memory/2408-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2408-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2408-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2408-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2408-1-0x0000000002F20000-0x0000000003020000-memory.dmp

Filesize
1024KB

Download
memory/2408-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2848-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2956-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads