tofsee | 568bdd6fb9671d0f9cd3d2843d20aca0cae45ec57fff154b0b0c439af8f00b51

General

Target

048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe
Size

142KB
MD5

048725634c77ed7223cd9b91d90b172b
SHA1

40628d5ffe1bbd7915a628938a8acac0d9c77ba3
SHA256

568bdd6fb9671d0f9cd3d2843d20aca0cae45ec57fff154b0b0c439af8f00b51
SHA512

ad87648a4003832c7ec6129b2745c119c693f99628295cb318d285b8c5ca23d8ec0a4682fdbe3e8a880de0f6e9b84ed78ae3279c457477d5d6a2b27f1284446c
SSDEEP

3072:Urmeq2+/v4ZyY6yZHeLZVDZrHEzgGQNZ2uZlanCt:U6hy5cXZrHRlNou/anC

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\lunfdjuc = "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

2608 netsh.exe

pid	process
2608	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\lunfdjuc\ImagePath = "C:\\Windows\\SysWOW64\\lunfdjuc\\byjvpqu.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2564 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

byjvpqu.exe

pid process

2632 byjvpqu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

byjvpqu.exe

description pid process target process

PID 2632 set thread context of 2564 2632 byjvpqu.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

2644 sc.exe
2696 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
2564	svchost.exe

pid	process
2632	byjvpqu.exe

description	pid	process	target process
PID 2632 set thread context of 2564	2632	byjvpqu.exe	svchost.exe

pid	process
2644	sc.exe
2696	sc.exe
2640	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exebyjvpqu.exe

description	pid	process	target process
PID 2964 wrote to memory of 2080	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2080	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2080	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2080	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2920	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2920	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2920	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2920	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2644	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2644	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2644	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2644	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2696	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2696	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2696	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2696	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2640	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2640	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2640	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2640	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2608	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2608	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2608	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2608	2964	048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe	netsh.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe
PID 2632 wrote to memory of 2564	2632	byjvpqu.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lunfdjuc\
2⤵
PID:2080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\byjvpqu.exe" C:\Windows\SysWOW64\lunfdjuc\
2⤵
PID:2920

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lunfdjuc binPath= "C:\Windows\SysWOW64\lunfdjuc\byjvpqu.exe /d\"C:\Users\Admin\AppData\Local\Temp\048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2644

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lunfdjuc "wifi internet conection"
2⤵
- Launches sc.exe
PID:2696

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lunfdjuc
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:2608

C:\Windows\SysWOW64\lunfdjuc\byjvpqu.exe
C:\Windows\SysWOW64\lunfdjuc\byjvpqu.exe /d"C:\Users\Admin\AppData\Local\Temp\048725634c77ed7223cd9b91d90b172b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2564

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\byjvpqu.exe
Filesize
13.6MB

MD5
32bc1fa1e913dd55067412e88627085a

SHA1
6e42bba62a260cb63df903336e92fc9a9999d9da

SHA256
9b68982a84c06b6945472e92307a70b0f78e69705b824d2e53dcd62a5c02c109

SHA512
11be74e6f75af7eff9f677503f12a550fab45fc4004d19c85d3d542148aecf38f63ef9f940830327a579c7a4b83dfbf889a2568155c01151f6c1adc14a95e244

Download Submit
memory/2564-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2964-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2964-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2964-1-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2964-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads