tofsee | 2edc2f82a1b10e3d2439c10ac90e8fb2a170840524cb5b04ef96b7ec4a7774d8

General

Target

2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe
Size

15.0MB
MD5

5142ee56e615a7f396f56d97f28d87ef
SHA1

359af34bdc8073a6326d96208cb629a9120ccb3e
SHA256

2edc2f82a1b10e3d2439c10ac90e8fb2a170840524cb5b04ef96b7ec4a7774d8
SHA512

1d3e92fb559c4c25d878e94a882fb20d6dc683c647d51d51d49ebf9e1d0b1a68e1a191360f296fa32a35ed3e03524eb27281f854fa36d345d9d965e9c280bb73
SSDEEP

6144:RXxZveEydmxZnXNMRaTuMUifWLKxNMMMMMMMbgb:RXzvvygxZnXxr+mxNMMMMMMMbg

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

pid	Process
3404	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
432	rasramqh.exe

Launches sc.exe 3 IoCs

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

pid	Process
2120	sc.exe
748	sc.exe
1300	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	4576	WerFault.exe	81

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 4524	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	90
PID 4576 wrote to memory of 4524	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	90
PID 4576 wrote to memory of 4524	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	90
PID 4576 wrote to memory of 1972	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	93
PID 4576 wrote to memory of 1972	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	93
PID 4576 wrote to memory of 1972	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	93
PID 4576 wrote to memory of 2120	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	95
PID 4576 wrote to memory of 2120	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	95
PID 4576 wrote to memory of 2120	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	95
PID 4576 wrote to memory of 748	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	97
PID 4576 wrote to memory of 748	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	97
PID 4576 wrote to memory of 748	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	97
PID 4576 wrote to memory of 1300	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	99
PID 4576 wrote to memory of 1300	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	99
PID 4576 wrote to memory of 1300	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	99
PID 4576 wrote to memory of 3404	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	102
PID 4576 wrote to memory of 3404	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	102
PID 4576 wrote to memory of 3404	4576	2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gqhhuquw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rasramqh.exe" C:\Windows\SysWOW64\gqhhuquw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gqhhuquw binPath= "C:\Windows\SysWOW64\gqhhuquw\rasramqh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gqhhuquw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gqhhuquw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1300
- 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:3404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 1048
  2⤵
  - Program crash
  PID:2408

C:\Windows\SysWOW64\gqhhuquw\rasramqh.exe
C:\Windows\SysWOW64\gqhhuquw\rasramqh.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-07_5142ee56e615a7f396f56d97f28d87ef_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4576 -ip 4576
1⤵
PID:4480

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\rasramqh.exe

Filesize
11.9MB

MD5
00d34eb7efcca72f4f84ef357ba63b05

SHA1
e4eaf5dbaf133e2c1ccc3d5dfc4d00a06f2926ab

SHA256
5f894f8f19e336f82d0aef3424d96173696a6a6a9312503697a01bd48dd66c55

SHA512
e7505aed5e1fa932514b158565c1aab99e3b95fbceb4c3786fa935c996c6b1e3527c109dfe7c5f061b3f8784706187e3b60537a766d20bc5cbd5c3bddefeda24

Download Submit
memory/4576-1-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/4576-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4576-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4576-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4576-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4576-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads