tofsee | 6670134716742f25ab7cfdb33b8c7f0bf13b7d1e91e7874dc20453e4db6ac5d2

General

Target

f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe
Size

14.7MB
MD5

f9ec5ae920b6df2fdc1fc070bd598b1a
SHA1

798a610c2aa02e0f0b58920a72febd23cae00f64
SHA256

6670134716742f25ab7cfdb33b8c7f0bf13b7d1e91e7874dc20453e4db6ac5d2
SHA512

73976041df720c3dac6fbc9c78bed41ab1ca9e18ffde3c0f4ad8d3e042a02a0b3e2568a1dbca8a6d86ece2ba0a683876af5ca11f9cdd656364c09b450790a6a7
SSDEEP

98304:ONWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll7:cW

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
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

4848 netsh.exe

pid	process
4848	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\lhsqlpc\ImagePath = "C:\\Windows\\SysWOW64\\lhsqlpc\\lhzzwlky.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2208 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

lhzzwlky.exe

pid process

4024 lhzzwlky.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

lhzzwlky.exe

description pid process target process

PID 4024 set thread context of 2208 4024 lhzzwlky.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

1656 sc.exe
3252 sc.exe
4676 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2208	svchost.exe

pid	process
4024	lhzzwlky.exe

description	pid	process	target process
PID 4024 set thread context of 2208	4024	lhzzwlky.exe	svchost.exe

pid	process
1656	sc.exe
3252	sc.exe
4676	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exelhzzwlky.exe

description	pid	process	target process
PID 2724 wrote to memory of 1720	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 1720	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 1720	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 2824	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 2824	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 2824	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2724 wrote to memory of 1656	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 1656	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 1656	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 3252	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 3252	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 3252	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 4676	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 4676	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 4676	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2724 wrote to memory of 4848	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2724 wrote to memory of 4848	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2724 wrote to memory of 4848	2724	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 4024 wrote to memory of 2208	4024	lhzzwlky.exe	svchost.exe
PID 4024 wrote to memory of 2208	4024	lhzzwlky.exe	svchost.exe
PID 4024 wrote to memory of 2208	4024	lhzzwlky.exe	svchost.exe
PID 4024 wrote to memory of 2208	4024	lhzzwlky.exe	svchost.exe
PID 4024 wrote to memory of 2208	4024	lhzzwlky.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lhsqlpc\
  2⤵
  PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lhzzwlky.exe" C:\Windows\SysWOW64\lhsqlpc\
  2⤵
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lhsqlpc binPath= "C:\Windows\SysWOW64\lhsqlpc\lhzzwlky.exe /d\"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:1656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lhsqlpc "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:3252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lhsqlpc
  2⤵
  - Launches sc.exe
  PID:4676
- 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:4848

C:\Windows\SysWOW64\lhsqlpc\lhzzwlky.exe
C:\Windows\SysWOW64\lhsqlpc\lhzzwlky.exe /d"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  PID:2208

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\lhzzwlky.exe

Filesize
10.0MB

MD5
3b5bb14d7c307d31e6105e0dcff70eed

SHA1
5e3c0d3b3ab373ee36d4d437ae3e8790d2b597dc

SHA256
e5b180c5178399886687232046b24f70ebd88ce1d5769ad02672f2048c906cb9

SHA512
1d61c900880848415b13c55a0ee6063de514603c217b21e2d29e4867ee3d81b87e23cb8ebb604b89252c15080b4bef29d302cc1a73efb8e47eae9e40df2b6b87

Download Submit
memory/2208-18-0x0000000000C20000-0x0000000000C35000-memory.dmp

Filesize
84KB

Download
memory/2208-11-0x0000000000C20000-0x0000000000C35000-memory.dmp

Filesize
84KB

Download
memory/2208-15-0x0000000000C20000-0x0000000000C35000-memory.dmp

Filesize
84KB

Download
memory/2208-19-0x0000000000C20000-0x0000000000C35000-memory.dmp

Filesize
84KB

Download
memory/2208-17-0x0000000000C20000-0x0000000000C35000-memory.dmp

Filesize
84KB

Download
memory/2724-2-0x0000000005410000-0x0000000005423000-memory.dmp

Filesize
76KB

Download
memory/2724-4-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2724-6-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2724-8-0x0000000005410000-0x0000000005423000-memory.dmp

Filesize
76KB

Download
memory/2724-1-0x00000000036E0000-0x00000000037E0000-memory.dmp

Filesize
1024KB

Download
memory/4024-10-0x0000000003770000-0x0000000003870000-memory.dmp

Filesize
1024KB

Download
memory/4024-14-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/4024-16-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads