tofsee | 8c916ed8a94497730292e458d978e791feb7d13153629b659ac635d393c47463

General

Target

f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe
Size

329KB
MD5

f480c4c267b19e122e2a8538b874e36d
SHA1

fb0bc1a4100646812cb4fd98bb9eed597bb30742
SHA256

8c916ed8a94497730292e458d978e791feb7d13153629b659ac635d393c47463
SHA512

6965a0b6f88ea49a06f46b6ae28091ca71e21426b9e80a9b60b550c70d42534ff7a4534e7b735c63b974b2baae6679b5856cfd632c4ad9fc2800ea3cb510cdea
SSDEEP

6144:N8yvuEffTrVKi7DIdJK6f89HQBPftMBH5rpDSYkoKW5hhaYpZ2dX+GKT:j/ffnv7DuKn9HgN6HdhkW5yzbK

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\gwmoxzmf = "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

2516 netsh.exe

pid	process
2516	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\gwmoxzmf\ImagePath = "C:\\Windows\\SysWOW64\\gwmoxzmf\\xgsyidzp.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2916 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xgsyidzp.exe

pid process

2540 xgsyidzp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xgsyidzp.exe

description pid process target process

PID 2540 set thread context of 2916 2540 xgsyidzp.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

2628 sc.exe
2528 sc.exe
2736 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2916	svchost.exe

pid	process
2540	xgsyidzp.exe

description	pid	process	target process
PID 2540 set thread context of 2916	2540	xgsyidzp.exe	svchost.exe

pid	process
2628	sc.exe
2528	sc.exe
2736	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exexgsyidzp.exe

description	pid	process	target process
PID 2024 wrote to memory of 2532	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2532	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2532	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2532	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2552	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2552	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2552	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2552	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	cmd.exe
PID 2024 wrote to memory of 2628	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2628	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2628	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2628	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2528	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2528	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2528	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2528	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2736	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2736	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2736	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2736	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	sc.exe
PID 2024 wrote to memory of 2516	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	netsh.exe
PID 2024 wrote to memory of 2516	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	netsh.exe
PID 2024 wrote to memory of 2516	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	netsh.exe
PID 2024 wrote to memory of 2516	2024	f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe	netsh.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe
PID 2540 wrote to memory of 2916	2540	xgsyidzp.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gwmoxzmf\
2⤵
PID:2532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgsyidzp.exe" C:\Windows\SysWOW64\gwmoxzmf\
2⤵
PID:2552

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gwmoxzmf binPath= "C:\Windows\SysWOW64\gwmoxzmf\xgsyidzp.exe /d\"C:\Users\Admin\AppData\Local\Temp\f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2628

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gwmoxzmf "wifi internet conection"
2⤵
- Launches sc.exe
PID:2528

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gwmoxzmf
2⤵
- Launches sc.exe
PID:2736

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:2516

C:\Windows\SysWOW64\gwmoxzmf\xgsyidzp.exe
C:\Windows\SysWOW64\gwmoxzmf\xgsyidzp.exe /d"C:\Users\Admin\AppData\Local\Temp\f480c4c267b19e122e2a8538b874e36d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2540

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2916

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

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\xgsyidzp.exe
Filesize
10.3MB

MD5
1f7ba1fb7be78aa4f9a7e4bfa794eb8c

SHA1
17efa86afb6050c53157ccd2e52a4ecf19f65c05

SHA256
aaaef065f572c631c87ffd01a97d375c1a1ea877ab250d84e59c7e158a5397ce

SHA512
9a7951c92b6ba3ae91027c76906b9fa72bd5ca76fb75dc75986571d1bddafc6eae5dbf14394d5dd3c13beaa9e54bdd26ac61c4766a0aa28bb6cdfc4982dce7c7

Download Submit
memory/2024-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2024-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2024-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2024-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2540-11-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2540-9-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2540-15-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

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

Filesize
4KB

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

Filesize
84KB

Download
memory/2916-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads