tofsee | de6664189711f6d55dd4337ae37167a3feaef197a2a5149d17da8a0a8335f584

General

Target

f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe
Size

14.2MB
MD5

f5e82122b54d4d41824619e647ac946d
SHA1

2e5246a6a5053243e05fb0ec57c53c5f5af4e139
SHA256

de6664189711f6d55dd4337ae37167a3feaef197a2a5149d17da8a0a8335f584
SHA512

59606a4b3babd11a4b927f0a0e470cdb42d2b784be7f75c8a3f9f23376972aa1b98c47ff2cf7c5c30216298e59ab9fcf9681f259bb39fa931fa9c87cf0cade30
SSDEEP

98304:3RoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooY:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.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\zxihexcy = "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

2408 netsh.exe

pid	process
2408	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\zxihexcy\ImagePath = "C:\\Windows\\SysWOW64\\zxihexcy\\zfadmvvq.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2508 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zfadmvvq.exe

pid process

2568 zfadmvvq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zfadmvvq.exe

description pid process target process

PID 2568 set thread context of 2508 2568 zfadmvvq.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

1704 sc.exe
2712 sc.exe
2864 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
2568	zfadmvvq.exe

description	pid	process	target process
PID 2568 set thread context of 2508	2568	zfadmvvq.exe	svchost.exe

pid	process
1704	sc.exe
2712	sc.exe
2864	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exezfadmvvq.exe

description	pid	process	target process
PID 2416 wrote to memory of 2204	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2204	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2204	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2204	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2056	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2056	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2056	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 2056	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	cmd.exe
PID 2416 wrote to memory of 1704	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 1704	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 1704	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 1704	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2712	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2712	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2712	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2712	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2864	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2864	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2864	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2864	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	sc.exe
PID 2416 wrote to memory of 2408	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	netsh.exe
PID 2416 wrote to memory of 2408	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	netsh.exe
PID 2416 wrote to memory of 2408	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	netsh.exe
PID 2416 wrote to memory of 2408	2416	f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe	netsh.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe
PID 2568 wrote to memory of 2508	2568	zfadmvvq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zxihexcy\
2⤵
PID:2204

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zfadmvvq.exe" C:\Windows\SysWOW64\zxihexcy\
2⤵
PID:2056

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zxihexcy binPath= "C:\Windows\SysWOW64\zxihexcy\zfadmvvq.exe /d\"C:\Users\Admin\AppData\Local\Temp\f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1704

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zxihexcy "wifi internet conection"
2⤵
- Launches sc.exe
PID:2712

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zxihexcy
2⤵
- Launches sc.exe
PID:2864

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:2408

C:\Windows\SysWOW64\zxihexcy\zfadmvvq.exe
C:\Windows\SysWOW64\zxihexcy\zfadmvvq.exe /d"C:\Users\Admin\AppData\Local\Temp\f5e82122b54d4d41824619e647ac946d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2568

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 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\zfadmvvq.exe
Filesize
12.4MB

MD5
d9f12553a1c8eb2e5fe16fddd24803d6

SHA1
15e75a457b9b182fc0fa2be14fc66681a854226a

SHA256
e1a15148af0f3d73af8288cc6333bbf1852b2c00f36d7c132c42f12645c74ef9

SHA512
9d5f68cfa7f50dadb24df278c7ea1929f3f4dff5a43635d007068aaee658295a7d3d497277458a56e492959cf0d4ddff71abcc878f970dfbc5bd3e23e449a416

Download Submit
memory/2416-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2416-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2416-4-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2416-8-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

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

Filesize
84KB

Download
memory/2508-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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

Filesize
4KB

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/2568-10-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2568-9-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2568-17-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads