tofsee | 2668ea58977d5457c1bcb28d04d1b55692fc7d6a64bfc3413a2cede20e838cf4

General

Target

feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe
Size

13.5MB
MD5

feb515efe8237480211f2fabe3976bdf
SHA1

d30c04512b4e2a34f1825b1fb8742be1d004cbc0
SHA256

2668ea58977d5457c1bcb28d04d1b55692fc7d6a64bfc3413a2cede20e838cf4
SHA512

a3eedc03386d4732ccd22bcaf04a4470bd711cbb3511390abe10394a4fbf5e1309adf549005816784a7e54ec1eb2f2bcdba1121bbe4bbd8460193fa3d70b9a8d
SSDEEP

196608:r+TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTn:r

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\xixjznep = "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

2468 netsh.exe

pid	process
2468	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\xixjznep\ImagePath = "C:\\Windows\\SysWOW64\\xixjznep\\kixjdzka.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2508 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

kixjdzka.exe

pid process

3056 kixjdzka.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

kixjdzka.exe

description pid process target process

PID 3056 set thread context of 2508 3056 kixjdzka.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

2988 sc.exe
1904 sc.exe
1276 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2508	svchost.exe

pid	process
3056	kixjdzka.exe

description	pid	process	target process
PID 3056 set thread context of 2508	3056	kixjdzka.exe	svchost.exe

pid	process
2988	sc.exe
1904	sc.exe
1276	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exekixjdzka.exe

description	pid	process	target process
PID 2176 wrote to memory of 1296	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1296	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1296	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1296	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1884	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1884	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1884	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1884	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1904	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1904	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1904	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1904	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1276	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1276	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1276	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 1276	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2988	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2988	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2988	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2988	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2468	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2468	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2468	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2468	2176	feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe	netsh.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe
PID 3056 wrote to memory of 2508	3056	kixjdzka.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xixjznep\
2⤵
PID:1296

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kixjdzka.exe" C:\Windows\SysWOW64\xixjznep\
2⤵
PID:1884

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xixjznep binPath= "C:\Windows\SysWOW64\xixjznep\kixjdzka.exe /d\"C:\Users\Admin\AppData\Local\Temp\feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1904

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xixjznep "wifi internet conection"
2⤵
- Launches sc.exe
PID:1276

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xixjznep
2⤵
- Launches sc.exe
PID:2988

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:2468

C:\Windows\SysWOW64\xixjznep\kixjdzka.exe
C:\Windows\SysWOW64\xixjznep\kixjdzka.exe /d"C:\Users\Admin\AppData\Local\Temp\feb515efe8237480211f2fabe3976bdf_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3056

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2508

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\kixjdzka.exe
Filesize
11.5MB

MD5
7b91f60f9a803b63abb6bdfaa22f4d42

SHA1
e1d538c206dfe26a7ee85c8b88cf0c678f5d1041

SHA256
7af035885d8a3f5bb9e778112b42cfd0e4b5585d41b696f8d2cd5ecc639846d9

SHA512
50e14bafd7325b406c86814e8767773de82c2456e3dcce29ca6cb1f90742e9b1a222b79fbeea9a37660e4b0196f923df21ff8b97d9cd95a0ae67bc72d849d886

Download Submit
memory/2176-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/2176-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2176-4-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2176-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2508-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2508-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2508-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2508-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2508-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-9-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/3056-11-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3056-17-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads