tofsee | 15b861ffcc39f198fa8ac6ad669c42761d655e8033c73ebd6a33c5b5d5d82979

General

Target

2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe
Size

13.8MB
MD5

ed275a5b6dba1ca2b37c7eef0adbf16b
SHA1

49e4329d3162683d2800dea4fd59d0bc6f3acc25
SHA256

15b861ffcc39f198fa8ac6ad669c42761d655e8033c73ebd6a33c5b5d5d82979
SHA512

d00139195a5633db1e818a2a749ca1cbb8e7dfd6cdc1c6a84e8ee1aede9f1a0dccd61394ee6ec397988a95243dc6db74ad74ff2394acae085165b05e067e96a8
SSDEEP

24576:YXzqpE5DpEMMMMMMMb4zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzn:YXPVpEMMMMMMMb

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
5028	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
2344	rhnghpfo.exe

Launches sc.exe 3 IoCs

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

pid	Process
1864	sc.exe
1920	sc.exe
544	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 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

pid	pid_target	Process	procid_target
4340	1884	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	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	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1048	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	91
PID 1884 wrote to memory of 1048	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	91
PID 1884 wrote to memory of 1048	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	91
PID 1884 wrote to memory of 5056	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	93
PID 1884 wrote to memory of 5056	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	93
PID 1884 wrote to memory of 5056	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	93
PID 1884 wrote to memory of 1920	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	95
PID 1884 wrote to memory of 1920	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	95
PID 1884 wrote to memory of 1920	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	95
PID 1884 wrote to memory of 544	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	97
PID 1884 wrote to memory of 544	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	97
PID 1884 wrote to memory of 544	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	97
PID 1884 wrote to memory of 1864	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	99
PID 1884 wrote to memory of 1864	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	99
PID 1884 wrote to memory of 1864	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	99
PID 1884 wrote to memory of 5028	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	102
PID 1884 wrote to memory of 5028	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	102
PID 1884 wrote to memory of 5028	1884	2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uerokhmh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rhnghpfo.exe" C:\Windows\SysWOW64\uerokhmh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uerokhmh binPath= "C:\Windows\SysWOW64\uerokhmh\rhnghpfo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uerokhmh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uerokhmh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1864
- 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:5028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 788
  2⤵
  - Program crash
  PID:4340

C:\Windows\SysWOW64\uerokhmh\rhnghpfo.exe
C:\Windows\SysWOW64\uerokhmh\rhnghpfo.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-01_ed275a5b6dba1ca2b37c7eef0adbf16b_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1884 -ip 1884
1⤵
PID:2012

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\rhnghpfo.exe

Filesize
10.7MB

MD5
54a9c7a1b9e3f146fc27416ec88abeaa

SHA1
b296e380b737ba7121c4a63890aaa8cf3c60edc9

SHA256
284754182f56ca23fcd6aaa43bea7f754cd8ced8fe63b12c7d768ab7676ad4e6

SHA512
19f5b520bf7af6cc53bb7f475262fb898b71b78e7fbe66734c27c4326d2ad15cad9d520ca4d5535b3cbfd9e71c004f793aef611eadf5b23ed77c382e12dda53b

Download Submit
memory/1884-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1884-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1884-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1884-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1884-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1884-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1884-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads