tofsee | 447e116c206c6b28e3447d54d271eba35db13bae7edaa673cfa9cc207db05ea7

General

Target

04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe
Size

11.3MB
MD5

04e17a3cf981140f0babf1eba3b1a30a
SHA1

1d72cbeadca5d725f63dc51e8bbcb8ec1af5805c
SHA256

447e116c206c6b28e3447d54d271eba35db13bae7edaa673cfa9cc207db05ea7
SHA512

8095d51b0ec02e2528c38b7770758aef4d3b8106cd0dce4912dcedb32d7d88d980e38e66474116d3a55d9955044d4f9f8dbf8ee96154982a24ee2065f262e7fb
SSDEEP

6144:j5VCb4QuzFRpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz7:F8NKFRp

Score

10^/10

tofsee evasion persistence 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
Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2660 netsh.exe

pid	process
2660	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\lntulriz\ImagePath = "C:\\Windows\\SysWOW64\\lntulriz\\ztvsmisx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2928 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ztvsmisx.exe

pid process

2732 ztvsmisx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ztvsmisx.exe

description pid process target process

PID 2732 set thread context of 2928 2732 ztvsmisx.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

1940 sc.exe
2332 sc.exe
2712 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2928	svchost.exe

pid	process
2732	ztvsmisx.exe

description	pid	process	target process
PID 2732 set thread context of 2928	2732	ztvsmisx.exe	svchost.exe

pid	process
1940	sc.exe
2332	sc.exe
2712	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exeztvsmisx.exe

description	pid	process	target process
PID 1992 wrote to memory of 2200	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2200	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2200	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2200	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 1972	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 1972	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 1972	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 1972	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 1940	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 1940	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 1940	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 1940	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2332	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2332	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2332	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2332	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2712	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2712	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2712	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2712	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	sc.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 2732 wrote to memory of 2928	2732	ztvsmisx.exe	svchost.exe
PID 1992 wrote to memory of 2660	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2660	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2660	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2660	1992	04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lntulriz\
2⤵
PID:2200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ztvsmisx.exe" C:\Windows\SysWOW64\lntulriz\
2⤵
PID:1972

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lntulriz binPath= "C:\Windows\SysWOW64\lntulriz\ztvsmisx.exe /d\"C:\Users\Admin\AppData\Local\Temp\04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1940

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lntulriz "wifi internet conection"
2⤵
- Launches sc.exe
PID:2332

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lntulriz
2⤵
- Launches sc.exe
PID:2712

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
PID:2660

C:\Windows\SysWOW64\lntulriz\ztvsmisx.exe
C:\Windows\SysWOW64\lntulriz\ztvsmisx.exe /d"C:\Users\Admin\AppData\Local\Temp\04e17a3cf981140f0babf1eba3b1a30a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.9MB

MD5
b1bdecb34faaeee2656e5da0bf43a5b3

SHA1
5cc3f02ecb35d57cf17da726868f51a7c2fed3e2

SHA256
d64d149a46c7ebb4c7f6f82e254fa7931a0a1ec45e7105bc62e9e105784bbaf3

SHA512
a4937aff676f55eaa38cf0ab8b9c10d095432ad4ddda0a3511d2fc398eecd469dffcc3a99d1d2d052cb5aca236d2e58a72617e5ee16604c34a1c385bc5ff96f3

Download Submit
memory/2928-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2928-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-3-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2928-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2928-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads