tofsee | 16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324

General

Target

JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe
Size

137KB
MD5

c9141000c7976a8b5ede5e5f70da2646
SHA1

2c4256f6be785036cbea30814ac7f796e34e6135
SHA256

16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324
SHA512

7d78918dc943668378443da179c9e38142ce6278c51ca788855159d3aff8e21d9b3dc15236d09630ecd78d8504e3c9fe8def0999ef65fe0795c6790feafd1da2
SSDEEP

1536:cwKKkmoraPfPYCnL25/mWQujQcxnxK0wvnxYAPSk5icrRvd5I5/NcnUihEkUG0wu:3OAWVoUQcGf7Qi/I5/Ncj5U6kZ

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
532	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\tkvdhign\ImagePath = "C:\\Windows\\SysWOW64\\tkvdhign\\qkgmxhzf.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe

Deletes itself 1 IoCs

pid	Process
1620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	qkgmxhzf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1620	1748	qkgmxhzf.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
624	sc.exe
3764	sc.exe
824	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

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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qkgmxhzf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 3736	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	82
PID 400 wrote to memory of 3736	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	82
PID 400 wrote to memory of 3736	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	82
PID 400 wrote to memory of 2148	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	84
PID 400 wrote to memory of 2148	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	84
PID 400 wrote to memory of 2148	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	84
PID 400 wrote to memory of 624	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	86
PID 400 wrote to memory of 624	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	86
PID 400 wrote to memory of 624	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	86
PID 400 wrote to memory of 3764	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	88
PID 400 wrote to memory of 3764	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	88
PID 400 wrote to memory of 3764	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	88
PID 400 wrote to memory of 824	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	90
PID 400 wrote to memory of 824	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	90
PID 400 wrote to memory of 824	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	90
PID 400 wrote to memory of 532	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	93
PID 400 wrote to memory of 532	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	93
PID 400 wrote to memory of 532	400	JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe	93
PID 1748 wrote to memory of 1620	1748	qkgmxhzf.exe	95
PID 1748 wrote to memory of 1620	1748	qkgmxhzf.exe	95
PID 1748 wrote to memory of 1620	1748	qkgmxhzf.exe	95
PID 1748 wrote to memory of 1620	1748	qkgmxhzf.exe	95
PID 1748 wrote to memory of 1620	1748	qkgmxhzf.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tkvdhign\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkgmxhzf.exe" C:\Windows\SysWOW64\tkvdhign\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tkvdhign binPath= "C:\Windows\SysWOW64\tkvdhign\qkgmxhzf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tkvdhign "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tkvdhign
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:824
- 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:532

C:\Windows\SysWOW64\tkvdhign\qkgmxhzf.exe
C:\Windows\SysWOW64\tkvdhign\qkgmxhzf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1620

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\qkgmxhzf.exe

Filesize
12.3MB

MD5
d3b86af1aeef6b77656b7d353dee3c9c

SHA1
03f6c6f2ad8018eda388f8013c3949350acedb6b

SHA256
ae87e3b5c56f89c69662b7d04c2e9358948a96ce2864aa5a1b63e58829a3ede5

SHA512
c07d6f8ac73ab66679afc4eb414e6b65bbccf163db3507b9bcbcc3a9351b2b4fe27a04356b33c57e5b1b04033c6f0e292b2b48e4371d3363446e1261cfd36801

Download Submit
memory/400-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/400-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/400-2-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/400-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/400-9-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/400-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/1620-14-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/1620-18-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/1620-19-0x0000000000DB0000-0x0000000000DC5000-memory.dmp

Filesize
84KB

Download
memory/1748-11-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1748-12-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1748-13-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1748-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads