tofsee | 380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 02:39

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General

Target

JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe
Size

283KB
MD5

d939f59a5bcb8560eb5d132ae3e6ea7a
SHA1

82e3e9b15f64bbd80d22205f352c6595476146e5
SHA256

380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a
SHA512

6d77b9fc38e18c67226b9eed69b61de3b951787146dfd50099829f4104bb933d3ca4d73708781df8de70641e127c85fe1743cabd22ad5492f7705f2e30a21de4
SSDEEP

3072:jfjgrBX7od3gqQXyYbzbZ5Vrnpxq6LF0o3/ycyo3YsKmMgPmovv8Nbd/iKg4wQ3S:DkrBARQbbZ3Dpx/LDR2mjPMhis3JjY

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\otzpsqym = "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
2228	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\otzpsqym\ImagePath = "C:\\Windows\\SysWOW64\\otzpsqym\\bnuotzmu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2956	bnuotzmu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2860	2956	bnuotzmu.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2556	sc.exe
2948	sc.exe
2796	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

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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.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	bnuotzmu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2116	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	29
PID 2412 wrote to memory of 2116	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	29
PID 2412 wrote to memory of 2116	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	29
PID 2412 wrote to memory of 2116	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	29
PID 2412 wrote to memory of 844	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	31
PID 2412 wrote to memory of 844	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	31
PID 2412 wrote to memory of 844	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	31
PID 2412 wrote to memory of 844	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	31
PID 2412 wrote to memory of 2556	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	33
PID 2412 wrote to memory of 2556	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	33
PID 2412 wrote to memory of 2556	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	33
PID 2412 wrote to memory of 2556	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	33
PID 2412 wrote to memory of 2948	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	35
PID 2412 wrote to memory of 2948	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	35
PID 2412 wrote to memory of 2948	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	35
PID 2412 wrote to memory of 2948	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	35
PID 2412 wrote to memory of 2796	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	37
PID 2412 wrote to memory of 2796	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	37
PID 2412 wrote to memory of 2796	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	37
PID 2412 wrote to memory of 2796	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	37
PID 2412 wrote to memory of 2228	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	40
PID 2412 wrote to memory of 2228	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	40
PID 2412 wrote to memory of 2228	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	40
PID 2412 wrote to memory of 2228	2412	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	40
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42
PID 2956 wrote to memory of 2860	2956	bnuotzmu.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\otzpsqym\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bnuotzmu.exe" C:\Windows\SysWOW64\otzpsqym\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create otzpsqym binPath= "C:\Windows\SysWOW64\otzpsqym\bnuotzmu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description otzpsqym "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start otzpsqym
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- 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:2228

C:\Windows\SysWOW64\otzpsqym\bnuotzmu.exe
C:\Windows\SysWOW64\otzpsqym\bnuotzmu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- 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:2860

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\bnuotzmu.exe

Filesize
12.8MB

MD5
262f038dd9eb3a4507d63347d5c3c5f9

SHA1
048509f673dba4bfc298dd51c4ccf9a260191d16

SHA256
9a4977618495778443a1146372d640898a155e5a3af488b6f4e14e0477ac024a

SHA512
21709fc9cef547ea300c30bff0ab242d435d6ad2bdc079a786657dd9c6559eb839968dd2186d3865987615f87d2d23e04c01c6fba40bf37321221be45a38a0d6

Download Submit
memory/2412-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2412-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-1-0x0000000002C10000-0x0000000002D10000-memory.dmp

Filesize
1024KB

Download
memory/2412-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2412-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2860-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2860-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2956-17-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads