tofsee | 70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 23:55

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General

Target

JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe
Size

238KB
MD5

6a63a27463acb89e07b8cbf0f0433edc
SHA1

bc1a529aed74b225ce5e349049f33fbaa6bbe979
SHA256

70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb
SHA512

9e67ac8156b5e5db743db2261c2b3f420c5b35ccee2685c96cb7d3c8ba626087d8d27e3afa7a80f4ae64dc3cc45057f6c11f740611e70a46131d295f2157a5d6
SSDEEP

6144:mnuB6Towa8CWks6thYv7ITsq7igavwVf:muITowOs+hYv79

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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\aeybppps = "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
2916	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\aeybppps\ImagePath = "C:\\Windows\\SysWOW64\\aeybppps\\slzldxzm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2772	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	slzldxzm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 2772	2888	slzldxzm.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2832	sc.exe
2388	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	slzldxzm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2488	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	30
PID 1748 wrote to memory of 2488	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	30
PID 1748 wrote to memory of 2488	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	30
PID 1748 wrote to memory of 2488	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	30
PID 1748 wrote to memory of 2496	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	32
PID 1748 wrote to memory of 2496	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	32
PID 1748 wrote to memory of 2496	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	32
PID 1748 wrote to memory of 2496	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	32
PID 1748 wrote to memory of 2388	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	34
PID 1748 wrote to memory of 2388	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	34
PID 1748 wrote to memory of 2388	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	34
PID 1748 wrote to memory of 2388	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	34
PID 1748 wrote to memory of 2832	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	36
PID 1748 wrote to memory of 2832	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	36
PID 1748 wrote to memory of 2832	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	36
PID 1748 wrote to memory of 2832	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	36
PID 1748 wrote to memory of 3020	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	38
PID 1748 wrote to memory of 3020	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	38
PID 1748 wrote to memory of 3020	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	38
PID 1748 wrote to memory of 3020	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	38
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 2888 wrote to memory of 2772	2888	slzldxzm.exe	42
PID 1748 wrote to memory of 2916	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	41
PID 1748 wrote to memory of 2916	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	41
PID 1748 wrote to memory of 2916	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	41
PID 1748 wrote to memory of 2916	1748	JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aeybppps\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\slzldxzm.exe" C:\Windows\SysWOW64\aeybppps\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aeybppps binPath= "C:\Windows\SysWOW64\aeybppps\slzldxzm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aeybppps "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aeybppps
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- 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:2916

C:\Windows\SysWOW64\aeybppps\slzldxzm.exe
C:\Windows\SysWOW64\aeybppps\slzldxzm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70c4dc37a874574a2492bb6748f1a59ebc65f552cd5897376f590b97a39bfacb.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- 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:2772

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:\Windows\SysWOW64\aeybppps\slzldxzm.exe

Filesize
13.6MB

MD5
e9ec60d4294854e9d40e64dddb578162

SHA1
4050f64b4d948441dff2f504076a86faae8512af

SHA256
cc93e9f9f4f41112baf559ddad5f13bf0a7049cbaaf3aa37e0ce72ca81ae4581

SHA512
aa06484455fe171bb9cd6f2f92e357b0659e59f9258145d459a338a7e96fb2a1db8ed56e4df4c8d11d9b5ec92769c47dda74e58ea909b682f3952eb97b51e561

Download Submit
memory/1748-13-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1748-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1748-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1748-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1748-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1748-12-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1748-11-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2772-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2888-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads