tofsee | c7c2d0d51dcc6117daae7614b4668b764eb7911f5fb09a5e0f05295a2ef9b202

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 18:02

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General

Target

2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe
Size

14.9MB
MD5

2a1f3a16c68220b3a55423794aeefa6a
SHA1

219214490634b717b98da3f5db87cd37d48b7def
SHA256

c7c2d0d51dcc6117daae7614b4668b764eb7911f5fb09a5e0f05295a2ef9b202
SHA512

88bb9f65d5f87013729bc36eefe85aaac7778417a8e3f51626b5c1deef86d9b9ec0811fb40b13b5d1e3d692f04462f40ae14fb9011d4ac91fba6b81b8f868a28
SSDEEP

6144:fXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:fXzuKJ8GD96ySzTcANnQMMMMMMMb

Score

10^/10

tofsee discovery evasion 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

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\oiligsc = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2068	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\oiligsc\ImagePath = "C:\\Windows\\SysWOW64\\oiligsc\\llkqbpwz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2724	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	llkqbpwz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 2724	2416	llkqbpwz.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
316	sc.exe
2448	sc.exe
3032	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

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	llkqbpwz.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2020	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	28
PID 1016 wrote to memory of 2020	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	28
PID 1016 wrote to memory of 2020	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	28
PID 1016 wrote to memory of 2020	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	28
PID 1016 wrote to memory of 2432	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	30
PID 1016 wrote to memory of 2432	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	30
PID 1016 wrote to memory of 2432	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	30
PID 1016 wrote to memory of 2432	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	30
PID 1016 wrote to memory of 316	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	32
PID 1016 wrote to memory of 316	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	32
PID 1016 wrote to memory of 316	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	32
PID 1016 wrote to memory of 316	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	32
PID 1016 wrote to memory of 2448	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	34
PID 1016 wrote to memory of 2448	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	34
PID 1016 wrote to memory of 2448	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	34
PID 1016 wrote to memory of 2448	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	34
PID 1016 wrote to memory of 3032	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	36
PID 1016 wrote to memory of 3032	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	36
PID 1016 wrote to memory of 3032	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	36
PID 1016 wrote to memory of 3032	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	36
PID 1016 wrote to memory of 2068	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	39
PID 1016 wrote to memory of 2068	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	39
PID 1016 wrote to memory of 2068	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	39
PID 1016 wrote to memory of 2068	1016	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	39
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41
PID 2416 wrote to memory of 2724	2416	llkqbpwz.exe	41

C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oiligsc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\llkqbpwz.exe" C:\Windows\SysWOW64\oiligsc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oiligsc binPath= "C:\Windows\SysWOW64\oiligsc\llkqbpwz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oiligsc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oiligsc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3032
- 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:2068

C:\Windows\SysWOW64\oiligsc\llkqbpwz.exe
C:\Windows\SysWOW64\oiligsc\llkqbpwz.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- 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:2724

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\llkqbpwz.exe

Filesize
14.6MB

MD5
f7adc12035eb5aaf10144f15919b4736

SHA1
6094ebe6ba70eda8b6ba95081dd34db7f9aaa85f

SHA256
c5c842261be92efbfebdee2856e94e5f2c1a421e64b7ab0fcefcea54c5094ce6

SHA512
23dab56c464a42dd5dc3758e8d15d7e2669030efee64c92a6553114ac8f8a8b94e1176337993dd9068078978bcfd71bfaa5b3270e73e08411b0e59788a275103

Download Submit
memory/1016-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1016-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1016-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1016-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1016-9-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/1016-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/1016-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2416-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2724-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2724-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2724-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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