tofsee | f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f

General

Target

JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe
Size

316KB
MD5

3cdec4eabd9384b04fc2970cf0c9acff
SHA1

bc59842823db0768236925cc4d57fb34815d652f
SHA256

f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f
SHA512

7b5e9f0f55352ae540632c4327baf9b9caf198d224ccc012320cf5f862f95409b7485980eb4085b57fff28d283a0cb2b21a6c9e367b2c84e146d035433fe7160
SSDEEP

6144:RJgfYQY4BHTgs5Xcm/eIu0uzbgwuyr7ITsq2l5:4wQY4BHTJ5czIunnP79l

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.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
4508	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\odgztnub\ImagePath = "C:\\Windows\\SysWOW64\\odgztnub\\aywldqmp.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe

Deletes itself 1 IoCs

pid	Process
4520	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1604	aywldqmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1604 set thread context of 4520	1604	aywldqmp.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
3156	sc.exe
4264	sc.exe
5024	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2132	4700	WerFault.exe	82
1536	1604	WerFault.exe	93

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_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aywldqmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 2120	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	83
PID 4700 wrote to memory of 2120	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	83
PID 4700 wrote to memory of 2120	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	83
PID 4700 wrote to memory of 3188	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	85
PID 4700 wrote to memory of 3188	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	85
PID 4700 wrote to memory of 3188	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	85
PID 4700 wrote to memory of 3156	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	87
PID 4700 wrote to memory of 3156	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	87
PID 4700 wrote to memory of 3156	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	87
PID 4700 wrote to memory of 4264	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	89
PID 4700 wrote to memory of 4264	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	89
PID 4700 wrote to memory of 4264	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	89
PID 4700 wrote to memory of 5024	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	91
PID 4700 wrote to memory of 5024	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	91
PID 4700 wrote to memory of 5024	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	91
PID 4700 wrote to memory of 4508	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	94
PID 4700 wrote to memory of 4508	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	94
PID 4700 wrote to memory of 4508	4700	JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe	94
PID 1604 wrote to memory of 4520	1604	aywldqmp.exe	100
PID 1604 wrote to memory of 4520	1604	aywldqmp.exe	100
PID 1604 wrote to memory of 4520	1604	aywldqmp.exe	100
PID 1604 wrote to memory of 4520	1604	aywldqmp.exe	100
PID 1604 wrote to memory of 4520	1604	aywldqmp.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\odgztnub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aywldqmp.exe" C:\Windows\SysWOW64\odgztnub\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3188
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create odgztnub binPath= "C:\Windows\SysWOW64\odgztnub\aywldqmp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description odgztnub "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start odgztnub
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5024
- 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:4508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 592
  2⤵
  - Program crash
  PID:2132

C:\Windows\SysWOW64\odgztnub\aywldqmp.exe
C:\Windows\SysWOW64\odgztnub\aywldqmp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f657e5671311334daa910d927bdfc0e3ab59b3f8ffbaabad10c36ae02cc6b96f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 516
  2⤵
  - Program crash
  PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4700 -ip 4700
1⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1604 -ip 1604
1⤵
PID:3152

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\aywldqmp.exe

Filesize
10.6MB

MD5
6934a3a4b609fd1d72f07940dbfd546c

SHA1
2662869f676f2e8d07032486fa54204077e017cf

SHA256
218bbf14d13fc2cef60fd3181394b934329633d16119f422672988b9e5c9afe7

SHA512
4f2dfdc12153b239d2f34f05003e628c4287ed59734594b53189e0a299465b6478c8d0a79fc902bef4c891898aa8c67c27e2d78dfe363a12a472e897fad93eb1

Download Submit
memory/1604-14-0x0000000000400000-0x0000000002B84000-memory.dmp

Filesize
39.5MB

Download
memory/4520-10-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/4520-12-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/4520-13-0x00000000009A0000-0x00000000009B5000-memory.dmp

Filesize
84KB

Download
memory/4700-0-0x0000000002CF0000-0x0000000002CFD000-memory.dmp

Filesize
52KB

Download
memory/4700-1-0x00000000048F0000-0x0000000004903000-memory.dmp

Filesize
76KB

Download
memory/4700-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4700-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4700-8-0x00000000048F0000-0x0000000004903000-memory.dmp

Filesize
76KB

Download
memory/4700-7-0x0000000002CF0000-0x0000000002CFD000-memory.dmp

Filesize
52KB

Download
memory/4700-6-0x0000000000400000-0x0000000002B84000-memory.dmp

Filesize
39.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads