tofsee | 5f51d30f289b1a454e24a69f7b6bedbe46feac7777fb99b903edcb0e12064ff4

General

Target

2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe
Size

10.9MB
MD5

064ff886ce1dfae017a3a8ffd297c74d
SHA1

93a9531d32673ebeb3f9adc54aebe0caa6ce9ecc
SHA256

5f51d30f289b1a454e24a69f7b6bedbe46feac7777fb99b903edcb0e12064ff4
SHA512

0da174a798c099d9e03ddd4b6a015c37ae013aa18dc6c6327153fea8f9a551b8f44d7a3fd7d89ccdee1be333c68c079b1349bcfd13e5dff38b898336e493458a
SSDEEP

49152:/qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:/qtYc3

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4692	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\iczlqdef\ImagePath = "C:\\Windows\\SysWOW64\\iczlqdef\\zqmtkjnr.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe

Deletes itself 1 IoCs

pid	Process
4252	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	zqmtkjnr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 4252	2748	zqmtkjnr.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
2348	sc.exe
4004	sc.exe
4272	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3940	2748	WerFault.exe	96
4116	1476	WerFault.exe	82

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	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_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	zqmtkjnr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 4480	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	86
PID 1476 wrote to memory of 4480	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	86
PID 1476 wrote to memory of 4480	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	86
PID 1476 wrote to memory of 1292	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	88
PID 1476 wrote to memory of 1292	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	88
PID 1476 wrote to memory of 1292	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	88
PID 1476 wrote to memory of 2348	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	90
PID 1476 wrote to memory of 2348	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	90
PID 1476 wrote to memory of 2348	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	90
PID 1476 wrote to memory of 4004	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	92
PID 1476 wrote to memory of 4004	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	92
PID 1476 wrote to memory of 4004	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	92
PID 1476 wrote to memory of 4272	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	94
PID 1476 wrote to memory of 4272	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	94
PID 1476 wrote to memory of 4272	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	94
PID 2748 wrote to memory of 4252	2748	zqmtkjnr.exe	97
PID 2748 wrote to memory of 4252	2748	zqmtkjnr.exe	97
PID 2748 wrote to memory of 4252	2748	zqmtkjnr.exe	97
PID 2748 wrote to memory of 4252	2748	zqmtkjnr.exe	97
PID 2748 wrote to memory of 4252	2748	zqmtkjnr.exe	97
PID 1476 wrote to memory of 4692	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	99
PID 1476 wrote to memory of 4692	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	99
PID 1476 wrote to memory of 4692	1476	2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe	99

C:\Users\Admin\AppData\Local\Temp\2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iczlqdef\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zqmtkjnr.exe" C:\Windows\SysWOW64\iczlqdef\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create iczlqdef binPath= "C:\Windows\SysWOW64\iczlqdef\zqmtkjnr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description iczlqdef "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start iczlqdef
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4272
- 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:4692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 1180
  2⤵
  - Program crash
  PID:4116

C:\Windows\SysWOW64\iczlqdef\zqmtkjnr.exe
C:\Windows\SysWOW64\iczlqdef\zqmtkjnr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_064ff886ce1dfae017a3a8ffd297c74d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 512
  2⤵
  - Program crash
  PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1476 -ip 1476
1⤵
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2748 -ip 2748
1⤵
PID:3120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\zqmtkjnr.exe

Filesize
13.0MB

MD5
72a7a6605a4136c76243b7e33f69fc03

SHA1
e27530126f0ea057d06da48b22763f1bf1ac00a5

SHA256
8e08d2abeebded10efe14113acdcfcf3953eb01e86f804949851a2acbe504e5d

SHA512
068c56739d74332438d8360d407123b16ef9bb8ec391cd87eb19f2e7cf350c0aad3ed2d26b3e90c9b69211c03dea9e6c84ed31f52a2128265f38e4e25fb8186d

Download Submit
memory/1476-1-0x0000000002E50000-0x0000000002F50000-memory.dmp

Filesize
1024KB

Download
memory/1476-2-0x0000000002E10000-0x0000000002E23000-memory.dmp

Filesize
76KB

Download
memory/1476-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1476-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1476-12-0x0000000002E10000-0x0000000002E23000-memory.dmp

Filesize
76KB

Download
memory/1476-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2748-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/4252-8-0x0000000000B90000-0x0000000000BA5000-memory.dmp

Filesize
84KB

Download
memory/4252-14-0x0000000000B90000-0x0000000000BA5000-memory.dmp

Filesize
84KB

Download
memory/4252-15-0x0000000000B90000-0x0000000000BA5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads