tofsee | bacd49ab2847be07482d62f2465fb709ef691a5d9dafceb9edb1e5ae9388d4e7

General

Target

2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe
Size

10.5MB
MD5

b08ffbd77399371263d6e747bafadd7d
SHA1

763d7e0270684647f84f19eabe2594a073f732eb
SHA256

bacd49ab2847be07482d62f2465fb709ef691a5d9dafceb9edb1e5ae9388d4e7
SHA512

dddbdeb2d9d459f2a8cb23ebd088454bdf1a0114660f03a9abebf9b2b51aea66069a0f8b1d14d046df1817f10b87bccb1f079df5c46272cd74cb77feed543b81
SSDEEP

6144:jyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:jyXzN8pXAdbbyyZtZfMMMMMMMb

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
3076	netsh.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:

2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe

Executes dropped EXE 1 IoCs

Processes:

oonteszc.exe

pid	Process
1876	oonteszc.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
4896	sc.exe
3620	sc.exe
2312	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

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 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2204	984	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 7 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:

cmd.execmd.exesc.exesc.exesc.exenetsh.exe2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe

description	ioc	Process
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	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	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe

description	pid	Process	procid_target
PID 984 wrote to memory of 2720	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	99
PID 984 wrote to memory of 2720	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	99
PID 984 wrote to memory of 2720	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	99
PID 984 wrote to memory of 4592	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	101
PID 984 wrote to memory of 4592	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	101
PID 984 wrote to memory of 4592	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	101
PID 984 wrote to memory of 4896	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	103
PID 984 wrote to memory of 4896	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	103
PID 984 wrote to memory of 4896	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	103
PID 984 wrote to memory of 3620	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	105
PID 984 wrote to memory of 3620	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	105
PID 984 wrote to memory of 3620	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	105
PID 984 wrote to memory of 2312	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	107
PID 984 wrote to memory of 2312	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	107
PID 984 wrote to memory of 2312	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	107
PID 984 wrote to memory of 3076	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	110
PID 984 wrote to memory of 3076	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	110
PID 984 wrote to memory of 3076	984	2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe	110

C:\Users\Admin\AppData\Local\Temp\2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kmzzrcxx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oonteszc.exe" C:\Windows\SysWOW64\kmzzrcxx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kmzzrcxx binPath= "C:\Windows\SysWOW64\kmzzrcxx\oonteszc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kmzzrcxx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kmzzrcxx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- 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:3076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 1200
  2⤵
  - Program crash
  PID:2204

C:\Windows\SysWOW64\kmzzrcxx\oonteszc.exe
C:\Windows\SysWOW64\kmzzrcxx\oonteszc.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_b08ffbd77399371263d6e747bafadd7d_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:1876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 984 -ip 984
1⤵
PID:1192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

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

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

1

T1562.004

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\oonteszc.exe

Filesize
12.9MB

MD5
29fe4bf0d605ef312589d37d54d2b0c1

SHA1
95cd5a77c61a2b85f604c9f1f1e039d9e638f09f

SHA256
796988786503e2a50d1bead8f13d0c635287156221ed496cd71c666b41878780

SHA512
d851d2d8a1c40336aaeb232d567a802a0e61c411abdb27a2b6b7fa7bea1c0911c78904fcabc7c1f55cfdc81fd0ad9f510a5df6d6076eedf6e72daaddd61e4cd9

Download Submit
memory/984-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/984-2-0x00000000021D0000-0x00000000021E3000-memory.dmp

Filesize
76KB

Download
memory/984-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/984-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/984-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/984-8-0x00000000021D0000-0x00000000021E3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads