tofsee | e000777678e885983bbbea7fc659bcf79c7c4ba38d548d3411a58347666dc92a

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 21:19

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General

Target

2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe
Size

14.9MB
MD5

59f4267dae33e83b59d952b7d5fe31bc
SHA1

d1e6de12cc46bdb05943adde0c03b4b212685efb
SHA256

e000777678e885983bbbea7fc659bcf79c7c4ba38d548d3411a58347666dc92a
SHA512

927ffd0a7382a54b6561c5d2dc0b948e95498f56dfa194bec4c35f18c2af45e27ed496c884a0d3702537dc50c57fcd967cadda39464e7979e6fe7715f56ee14b
SSDEEP

6144:v+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:v+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee 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

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\rwkilhrh = "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
2560	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\rwkilhrh\ImagePath = "C:\\Windows\\SysWOW64\\rwkilhrh\\tnpmgcmr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2292	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2432	tnpmgcmr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 2292	2432	tnpmgcmr.exe	39

Launches sc.exe 3 IoCs

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

pid	Process
2572	sc.exe
2568	sc.exe
2648	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 1700	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	28
PID 2196 wrote to memory of 1700	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	28
PID 2196 wrote to memory of 1700	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	28
PID 2196 wrote to memory of 1700	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	28
PID 2196 wrote to memory of 1676	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	30
PID 2196 wrote to memory of 1676	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	30
PID 2196 wrote to memory of 1676	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	30
PID 2196 wrote to memory of 1676	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	30
PID 2196 wrote to memory of 2568	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	32
PID 2196 wrote to memory of 2568	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	32
PID 2196 wrote to memory of 2568	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	32
PID 2196 wrote to memory of 2568	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	32
PID 2196 wrote to memory of 2648	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	34
PID 2196 wrote to memory of 2648	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	34
PID 2196 wrote to memory of 2648	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	34
PID 2196 wrote to memory of 2648	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	34
PID 2196 wrote to memory of 2572	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	36
PID 2196 wrote to memory of 2572	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	36
PID 2196 wrote to memory of 2572	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	36
PID 2196 wrote to memory of 2572	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	36
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2432 wrote to memory of 2292	2432	tnpmgcmr.exe	39
PID 2196 wrote to memory of 2560	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	40
PID 2196 wrote to memory of 2560	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	40
PID 2196 wrote to memory of 2560	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	40
PID 2196 wrote to memory of 2560	2196	2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe	40

C:\Users\Admin\AppData\Local\Temp\2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rwkilhrh\
  2⤵
  PID:1700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tnpmgcmr.exe" C:\Windows\SysWOW64\rwkilhrh\
  2⤵
  PID:1676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rwkilhrh binPath= "C:\Windows\SysWOW64\rwkilhrh\tnpmgcmr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rwkilhrh "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rwkilhrh
  2⤵
  - Launches sc.exe
  PID:2572
- 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
  PID:2560

C:\Windows\SysWOW64\rwkilhrh\tnpmgcmr.exe
C:\Windows\SysWOW64\rwkilhrh\tnpmgcmr.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-29_59f4267dae33e83b59d952b7d5fe31bc_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2292

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tnpmgcmr.exe

Filesize
13.9MB

MD5
fd57fdfbd6bb96a1466c24bf49c9a63d

SHA1
ae9445ed558b8d7cd89cc9e5eee33907a989c914

SHA256
e507c204d9258b86f607116539efba6ea9bb8044004cdf058873677725af46b7

SHA512
5bb93b9a5d175f3b8e141b51171a6f0ce209cb47825fa9584a7b0a5ee68213e5d1f279ff41480419f899b67608db45327771964eaf1792bc7459966f91a0a943

Download Submit
memory/2196-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2196-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2196-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2196-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2292-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2292-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2292-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2292-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2292-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2432-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads