tofsee | e982349cdd6908329e1c5163572103361fce17904dcbf5a820ca057553ebb74c

General

Target

ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe
Size

13.6MB
MD5

ffbb54a4781fbcedc8cf2838defba14c
SHA1

33b8f837b0439ee56351cda361d8dcafa40e6574
SHA256

e982349cdd6908329e1c5163572103361fce17904dcbf5a820ca057553ebb74c
SHA512

f59e3cc49c0d630a89f37cacce2b4ea326ca99db1e0e299dee131db365512554d4d0361ea19ee5fc1637b5cf5df9462097929f78d6e4f6c355161372dd31fcb2
SSDEEP

98304:8jhd88888888888888888888888888888888888888888888888888888888888/:8

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

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\nhwvzsfl = "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

2420 netsh.exe

pid	process
2420	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\nhwvzsfl\ImagePath = "C:\\Windows\\SysWOW64\\nhwvzsfl\\dqbklwhy.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2168 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dqbklwhy.exe

pid process

2428 dqbklwhy.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dqbklwhy.exe

description pid process target process

PID 2428 set thread context of 2168 2428 dqbklwhy.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

2584 sc.exe
2704 sc.exe
2992 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2168	svchost.exe

pid	process
2428	dqbklwhy.exe

description	pid	process	target process
PID 2428 set thread context of 2168	2428	dqbklwhy.exe	svchost.exe

pid	process
2584	sc.exe
2704	sc.exe
2992	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exedqbklwhy.exe

description	pid	process	target process
PID 2952 wrote to memory of 2980	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2980	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2980	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2980	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 3000	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 3000	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 3000	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 3000	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	cmd.exe
PID 2952 wrote to memory of 2584	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2584	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2584	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2584	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2704	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2704	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2704	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2704	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2992	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2992	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2992	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2992	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	sc.exe
PID 2952 wrote to memory of 2420	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	netsh.exe
PID 2952 wrote to memory of 2420	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	netsh.exe
PID 2952 wrote to memory of 2420	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	netsh.exe
PID 2952 wrote to memory of 2420	2952	ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe	netsh.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe
PID 2428 wrote to memory of 2168	2428	dqbklwhy.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nhwvzsfl\
2⤵
PID:2980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqbklwhy.exe" C:\Windows\SysWOW64\nhwvzsfl\
2⤵
PID:3000

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create nhwvzsfl binPath= "C:\Windows\SysWOW64\nhwvzsfl\dqbklwhy.exe /d\"C:\Users\Admin\AppData\Local\Temp\ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2584

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description nhwvzsfl "wifi internet conection"
2⤵
- Launches sc.exe
PID:2704

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start nhwvzsfl
2⤵
- Launches sc.exe
PID:2992

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:2420

C:\Windows\SysWOW64\nhwvzsfl\dqbklwhy.exe
C:\Windows\SysWOW64\nhwvzsfl\dqbklwhy.exe /d"C:\Users\Admin\AppData\Local\Temp\ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2168

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\dqbklwhy.exe

Filesize
11.3MB

MD5
5b142e7bbbf0f17c5aefa236c3796f3b

SHA1
d227cda50147b4c82df4214d58a5638f36d88703

SHA256
da89d88f6546dcf61bce9f844b9ec9052ed19356c8ca6b45bd930b55bdc334d5

SHA512
db1e74c55ce261ddc116f2e91dec254b2e8d46750f8dbe0e47046bf556953f6edc7734418fbfa460ebf0e97d8c7c74124228e654f961d45ba40e917be0257373

Download Submit
memory/2168-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-23-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2168-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2428-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2428-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2428-11-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2952-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2952-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2952-8-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2952-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2952-3-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2952-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads