tofsee | 58a3dc39f0d2c0e812bed7d40e67cb784d778aad1f55fd5dc14ad2280c30b02d

General

Target

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
Size

10.8MB
MD5

a712770ab4dd9d92f91603ca8c6d6a15
SHA1

e22c98c9442ced02cd30838345111269abe47343
SHA256

58a3dc39f0d2c0e812bed7d40e67cb784d778aad1f55fd5dc14ad2280c30b02d
SHA512

5132db28491d14388fc4481caad34361e8f57f2faffb315a953c8e5696bd0172a32672abf492d645c2f4c0de3c54c6510667fe173e1feffbe5c39d70a859ce88
SSDEEP

49152:3Vdrl/8HAzGCbGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGv:3Vdrl/9zG

Score

10^/10

tofsee discovery evasion 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
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

4532 netsh.exe

pid	process
4532	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\aljxtufo\ImagePath = "C:\\Windows\\SysWOW64\\aljxtufo\\mmlrcqxa.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

Processes:

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2512 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

mmlrcqxa.exe

pid process

4312 mmlrcqxa.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

mmlrcqxa.exe

description pid process target process

PID 4312 set thread context of 2512 4312 mmlrcqxa.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2192 sc.exe
3472 sc.exe
4132 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2512	svchost.exe

pid	process
4312	mmlrcqxa.exe

description	pid	process	target process
PID 4312 set thread context of 2512	4312	mmlrcqxa.exe	svchost.exe

pid	process
2192	sc.exe
3472	sc.exe
4132	sc.exe

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

Processes:

netsh.exe

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

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2816 2840 WerFault.exe 2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
1340 4312 WerFault.exe mmlrcqxa.exe

pid	pid_target	process	target process
2816	2840	WerFault.exe	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
1340	4312	WerFault.exe	mmlrcqxa.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

Processes:

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exesc.exesc.exenetsh.exemmlrcqxa.exesvchost.execmd.execmd.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmlrcqxa.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

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exemmlrcqxa.exe

description	pid	process	target process
PID 2840 wrote to memory of 1076	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 1076	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 1076	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 4872	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 4872	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 4872	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	cmd.exe
PID 2840 wrote to memory of 2192	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 2192	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 2192	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 3472	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 3472	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 3472	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 4132	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 4132	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 4132	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	sc.exe
PID 2840 wrote to memory of 4532	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2840 wrote to memory of 4532	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 2840 wrote to memory of 4532	2840	2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe	netsh.exe
PID 4312 wrote to memory of 2512	4312	mmlrcqxa.exe	svchost.exe
PID 4312 wrote to memory of 2512	4312	mmlrcqxa.exe	svchost.exe
PID 4312 wrote to memory of 2512	4312	mmlrcqxa.exe	svchost.exe
PID 4312 wrote to memory of 2512	4312	mmlrcqxa.exe	svchost.exe
PID 4312 wrote to memory of 2512	4312	mmlrcqxa.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aljxtufo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mmlrcqxa.exe" C:\Windows\SysWOW64\aljxtufo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aljxtufo binPath= "C:\Windows\SysWOW64\aljxtufo\mmlrcqxa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aljxtufo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aljxtufo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4132
- 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:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1152
  2⤵
  - Program crash
  PID:2816

C:\Windows\SysWOW64\aljxtufo\mmlrcqxa.exe
C:\Windows\SysWOW64\aljxtufo\mmlrcqxa.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-06_a712770ab4dd9d92f91603ca8c6d6a15_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 532
  2⤵
  - Program crash
  PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2840 -ip 2840
1⤵
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4312 -ip 4312
1⤵
PID:3004

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\mmlrcqxa.exe

Filesize
11.0MB

MD5
52f3a467ce73fb8de42787aa41a58711

SHA1
5dd277b41cc01c4f17a388e298eb71cf04728d7e

SHA256
598a2eab2ae74850d1143c34667cbfa30d41060241027184d26a4b81acaa5b95

SHA512
87b12769c2deffa3daf3e5469e79794a1b4b8d5bcd9344539c4f6c22d2d0c97633fc26cf15591cc96f42a4556c5b9723b0a1abb0e73a236f71e6d84aa8a3f691

Download Submit
memory/2512-14-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/2512-17-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/2512-16-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

Filesize
84KB

Download
memory/2840-8-0x0000000002260000-0x0000000002273000-memory.dmp

Filesize
76KB

Download
memory/2840-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2840-7-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/2840-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-2-0x0000000002260000-0x0000000002273000-memory.dmp

Filesize
76KB

Download
memory/4312-11-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4312-13-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4312-12-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/4312-19-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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