tofsee | 033cc64af4d9e217e27392f016f003250e17ed026595cb682b5504298ef4cc12

General

Target

f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe
Size

13.2MB
MD5

f98cc65337ea6c995f6af7bea54a1b88
SHA1

388096691f92d4cfa2123ea242dcca5b2dbaa542
SHA256

033cc64af4d9e217e27392f016f003250e17ed026595cb682b5504298ef4cc12
SHA512

7037f54701e9ebf699c76f8ff19a19195d004293bbd2d562ddcac86ecea480fbb4bd6f12c2b907f4163b671c22f8d52e47d636692e41995551f6e376755050fb
SSDEEP

49152:J1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:JA

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\impyvjqz = "0"	svchost.exe

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

2556 netsh.exe

pid	process
2556	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\impyvjqz\ImagePath = "C:\\Windows\\SysWOW64\\impyvjqz\\ppqbwxvd.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2588 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ppqbwxvd.exe

pid process

2604 ppqbwxvd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ppqbwxvd.exe

description pid process target process

PID 2604 set thread context of 2588 2604 ppqbwxvd.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

2164 sc.exe
2636 sc.exe
2640 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2588	svchost.exe

pid	process
2604	ppqbwxvd.exe

description	pid	process	target process
PID 2604 set thread context of 2588	2604	ppqbwxvd.exe	svchost.exe

pid	process
2164	sc.exe
2636	sc.exe
2640	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exeppqbwxvd.exe

description	pid	process	target process
PID 1772 wrote to memory of 2896	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2896	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2896	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2896	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2940	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2940	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2940	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2940	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	cmd.exe
PID 1772 wrote to memory of 2164	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2164	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2164	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2164	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2636	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2636	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2636	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2636	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2640	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2640	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2640	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2640	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	sc.exe
PID 1772 wrote to memory of 2556	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	netsh.exe
PID 1772 wrote to memory of 2556	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	netsh.exe
PID 1772 wrote to memory of 2556	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	netsh.exe
PID 1772 wrote to memory of 2556	1772	f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe	netsh.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe
PID 2604 wrote to memory of 2588	2604	ppqbwxvd.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\impyvjqz\
2⤵
PID:2896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ppqbwxvd.exe" C:\Windows\SysWOW64\impyvjqz\
2⤵
PID:2940

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create impyvjqz binPath= "C:\Windows\SysWOW64\impyvjqz\ppqbwxvd.exe /d\"C:\Users\Admin\AppData\Local\Temp\f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2164

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description impyvjqz "wifi internet conection"
2⤵
- Launches sc.exe
PID:2636

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start impyvjqz
2⤵
- Launches sc.exe
PID:2640

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:2556

C:\Windows\SysWOW64\impyvjqz\ppqbwxvd.exe
C:\Windows\SysWOW64\impyvjqz\ppqbwxvd.exe /d"C:\Users\Admin\AppData\Local\Temp\f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ppqbwxvd.exe
Filesize
13.4MB

MD5
a7df7c61c1c534bba481bd9a931a99cc

SHA1
05e2a559bb04b1b0c9b2272a4b79195ccc8d362a

SHA256
cdaa670246bfd46b44591b9cc3ef7606a6bc859a34150fab0f0eb608599104e1

SHA512
941d6100d94feba0e4eaca62acff7916adcc153d82ee1ffd31099c913704fb6d539bf0553edd397146af51c9d0f9ce62d5bd86b48e2604c7eab87d9d071b7484

Download Submit
memory/1772-1-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

Filesize
1024KB

Download
memory/1772-4-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/1772-7-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/1772-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1772-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2588-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-10-0x0000000000CA0000-0x0000000000DA0000-memory.dmp

Filesize
1024KB

Download
memory/2604-18-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/2604-16-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads