tofsee | 4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980

General

Target

JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe
Size

244KB
MD5

ed6e8ed7d52dd0197e76260ad64d15a8
SHA1

90410de20da95b495a3dc0ca2f9c081171e8d1b3
SHA256

4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980
SHA512

aac419b880bc4e2864e8fcc0806ca37587cf697781db0378d9b3ea688c5d40e53a5dfc3fab3d698dc6aa843eb7c2a99005d5511137ef0021320e85362dd96edf
SSDEEP

6144:Z2ZQ64l6/zVv1L11dwFB3uZUGcDQDWT7snfu/c8:kZj/zVtLo3uWXQDWT7CfuU

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation 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
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1588	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\bmhezulu\ImagePath = "C:\\Windows\\SysWOW64\\bmhezulu\\kpldbeq.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe

Deletes itself 1 IoCs

pid	Process
4612	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	kpldbeq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 4612	2064	kpldbeq.exe	98

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
476	sc.exe
2396	sc.exe
2380	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3800	4536	WerFault.exe	81
240	2064	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kpldbeq.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4564	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	82
PID 4536 wrote to memory of 4564	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	82
PID 4536 wrote to memory of 4564	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	82
PID 4536 wrote to memory of 3760	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	84
PID 4536 wrote to memory of 3760	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	84
PID 4536 wrote to memory of 3760	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	84
PID 4536 wrote to memory of 476	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	86
PID 4536 wrote to memory of 476	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	86
PID 4536 wrote to memory of 476	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	86
PID 4536 wrote to memory of 2396	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	88
PID 4536 wrote to memory of 2396	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	88
PID 4536 wrote to memory of 2396	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	88
PID 4536 wrote to memory of 2380	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	90
PID 4536 wrote to memory of 2380	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	90
PID 4536 wrote to memory of 2380	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	90
PID 4536 wrote to memory of 1588	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	93
PID 4536 wrote to memory of 1588	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	93
PID 4536 wrote to memory of 1588	4536	JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe	93
PID 2064 wrote to memory of 4612	2064	kpldbeq.exe	98
PID 2064 wrote to memory of 4612	2064	kpldbeq.exe	98
PID 2064 wrote to memory of 4612	2064	kpldbeq.exe	98
PID 2064 wrote to memory of 4612	2064	kpldbeq.exe	98
PID 2064 wrote to memory of 4612	2064	kpldbeq.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bmhezulu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpldbeq.exe" C:\Windows\SysWOW64\bmhezulu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bmhezulu binPath= "C:\Windows\SysWOW64\bmhezulu\kpldbeq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bmhezulu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bmhezulu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2380
- 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
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 1172
  2⤵
  - Program crash
  PID:3800

C:\Windows\SysWOW64\bmhezulu\kpldbeq.exe
C:\Windows\SysWOW64\bmhezulu\kpldbeq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4012e55d1495bcc3440ccc5dc5bd17b021f0724a3c947eed7b3c9bb0a9195980.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 512
  2⤵
  - Program crash
  PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4536 -ip 4536
1⤵
PID:1156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2064 -ip 2064
1⤵
PID:4928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.5MB

MD5
131b93ad1599b7e9f27456fc788b4544

SHA1
4a042804b0b0098dbd741726c2cc2a8c6b7c6f2d

SHA256
662c65457c899f05b934971efd636464d8ede7de5dbbcd34563be2184b671f48

SHA512
e95fb1dfede9be60ff29bafc31da06fd412419545bc51793dc93788d0eb55cbec99a920c38c46961360546aa98f84975b6da9f213d74add296e9cd73343f83fe

Download Submit
memory/2064-13-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2064-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2064-11-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2064-18-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4536-2-0x0000000000590000-0x00000000005A3000-memory.dmp

Filesize
76KB

Download
memory/4536-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4536-9-0x0000000000590000-0x00000000005A3000-memory.dmp

Filesize
76KB

Download
memory/4536-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4536-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/4612-16-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/4612-14-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/4612-17-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads