tofsee | 0debd985cd0fff7744ed3165078a38bcb30b0b064ddb5b006d84f2751e0d50f9

General

Target

f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe
Size

14.3MB
MD5

f3bd0e796e1c1b59bde69cecbde26000
SHA1

a3d3bd7e6d987e6cf93c97d80d86b68d2be90af8
SHA256

0debd985cd0fff7744ed3165078a38bcb30b0b064ddb5b006d84f2751e0d50f9
SHA512

32a1ffa73aad3303d3de5bd8766c73d8367c6e1476218df2bd801c2729e34fdacd730e34d6dc5d734d50137cc0db5e8ad0b171d63a3120d4a1b22dccd5193fb3
SSDEEP

3072:DlIKxNiT/X910MzPvrmJXOWYL1DyHSHbfTYBDsopr7p85KzqyROF5LevXZUmoBZ2:DlIKziTP910Uwq1uH4gBDs8BgRn2x

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\eluchmfd = "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

2620 netsh.exe

pid	process
2620	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\eluchmfd\ImagePath = "C:\\Windows\\SysWOW64\\eluchmfd\\xpygdqcw.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2540 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xpygdqcw.exe

pid process

2948 xpygdqcw.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xpygdqcw.exe

description pid process target process

PID 2948 set thread context of 2540 2948 xpygdqcw.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

2648 sc.exe
2736 sc.exe
2724 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2540	svchost.exe

pid	process
2948	xpygdqcw.exe

description	pid	process	target process
PID 2948 set thread context of 2540	2948	xpygdqcw.exe	svchost.exe

pid	process
2648	sc.exe
2736	sc.exe
2724	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exexpygdqcw.exe

description	pid	process	target process
PID 2968 wrote to memory of 1560	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 1560	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 1560	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 1560	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 2564	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 2564	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 2564	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 2564	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	cmd.exe
PID 2968 wrote to memory of 2648	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2648	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2648	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2648	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2736	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2736	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2736	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2736	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2724	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2724	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2724	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2724	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	sc.exe
PID 2968 wrote to memory of 2620	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	netsh.exe
PID 2968 wrote to memory of 2620	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	netsh.exe
PID 2968 wrote to memory of 2620	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	netsh.exe
PID 2968 wrote to memory of 2620	2968	f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe	netsh.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe
PID 2948 wrote to memory of 2540	2948	xpygdqcw.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eluchmfd\
2⤵
PID:1560

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xpygdqcw.exe" C:\Windows\SysWOW64\eluchmfd\
2⤵
PID:2564

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create eluchmfd binPath= "C:\Windows\SysWOW64\eluchmfd\xpygdqcw.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2648

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description eluchmfd "wifi internet conection"
2⤵
- Launches sc.exe
PID:2736

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start eluchmfd
2⤵
- Launches sc.exe
PID:2724

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:2620

C:\Windows\SysWOW64\eluchmfd\xpygdqcw.exe
C:\Windows\SysWOW64\eluchmfd\xpygdqcw.exe /d"C:\Users\Admin\AppData\Local\Temp\f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2540

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\xpygdqcw.exe

Filesize
10.2MB

MD5
0fd6a55063996e1fe4d8c19371b87047

SHA1
fc442bee98df9d3b1df83ca417a9c715a9d6ac55

SHA256
b7282f25a5e318a80a06fa63d81b8f5d681f4ffaaa86f8b27a712d7d92a50281

SHA512
05813d404fce85d1fe8ab7375196923d9ff66efad3b8df2028ac6489996af3f56d3b88aacd377e677064883f0b002cc0aa65ab9647013837e0c3ae99c3645d0c

Download Submit
memory/2540-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-22-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2540-21-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2540-19-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2540-20-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2540-15-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2540-10-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2948-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2948-11-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2948-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2968-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2968-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2968-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2968-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2968-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads