tofsee | 39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 12:04

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General

Target

JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe
Size

235KB
MD5

090818f2a5159fe03a63ed4afcd42db5
SHA1

b1ccc63a1b2e7ba4866808cbd8e1238e4480b80f
SHA256

39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634
SHA512

3f15024d5c767335c1615155a16ac5a02a5d3c10da8ee3870098b77206c0864a43b55e26269a0620f169c8d7294c033a50728d49b895a3e1ccdbf648fabf3406
SSDEEP

3072:xeDkLrszgUJFBFqLDy1HeZjKyXR5udHrg5T6sfPmMahsZVggjcGkNIVqI/sxkgad:xeDkLyFBALjpSZI7PmMFb7ITsqXigad

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\yizjcjzm = "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
2748	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\yizjcjzm\ImagePath = "C:\\Windows\\SysWOW64\\yizjcjzm\\xccdshs.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2916	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	xccdshs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2916	2828	xccdshs.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2404	sc.exe
2244	sc.exe
2744	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	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.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	netsh.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	xccdshs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2128	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	30
PID 1620 wrote to memory of 2128	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	30
PID 1620 wrote to memory of 2128	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	30
PID 1620 wrote to memory of 2128	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	30
PID 1620 wrote to memory of 2064	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	32
PID 1620 wrote to memory of 2064	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	32
PID 1620 wrote to memory of 2064	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	32
PID 1620 wrote to memory of 2064	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	32
PID 1620 wrote to memory of 2404	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	34
PID 1620 wrote to memory of 2404	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	34
PID 1620 wrote to memory of 2404	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	34
PID 1620 wrote to memory of 2404	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	34
PID 1620 wrote to memory of 2244	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	36
PID 1620 wrote to memory of 2244	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	36
PID 1620 wrote to memory of 2244	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	36
PID 1620 wrote to memory of 2244	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	36
PID 1620 wrote to memory of 2744	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	38
PID 1620 wrote to memory of 2744	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	38
PID 1620 wrote to memory of 2744	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	38
PID 1620 wrote to memory of 2744	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	38
PID 1620 wrote to memory of 2748	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	42
PID 1620 wrote to memory of 2748	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	42
PID 1620 wrote to memory of 2748	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	42
PID 1620 wrote to memory of 2748	1620	JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe	42
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44
PID 2828 wrote to memory of 2916	2828	xccdshs.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yizjcjzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xccdshs.exe" C:\Windows\SysWOW64\yizjcjzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yizjcjzm binPath= "C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yizjcjzm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yizjcjzm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2748

C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe
C:\Windows\SysWOW64\yizjcjzm\xccdshs.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39580e95f621d8722f944615508073c1172a1afabc1442865d8040a40ee74634.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2916

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\xccdshs.exe

Filesize
10.0MB

MD5
4b9c24aa21d425179b89c3c433ada591

SHA1
266e6a6f79a1c39d197114e69760cc10a32fa003

SHA256
c36ec3c98f457a81c2c3493a20d046ad912194347620b356f06cbdf91d0b8808

SHA512
7317dcdba8503a8e59427c386d9d8f9cc44832f2de3c7b3bf5a4be7c9736264e98d93fbd7269258ffd3a899eaec674f7fba9c275f759764ecddf7362672c5edf

Download Submit
memory/1620-7-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/1620-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1620-1-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1620-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1620-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1620-0-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/1620-6-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/2828-14-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/2916-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads