1d1732c1f40085db43ea9b1e377ca70c2b2572938982234d9a6c3240b538fee4

General

Target

ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Size

2.3MB
MD5

ba92222c0e5c25c531e322148d5ac011
SHA1

dd5b00d68c1fbc9fbf6acf42fb85210f9dc71c8c
SHA256

1d1732c1f40085db43ea9b1e377ca70c2b2572938982234d9a6c3240b538fee4
SHA512

c7886c000f614dd2fef9b45556bfaeaa851762684f780729beb50628a3107f1c3d1d73b6275f7d3ba11c5990786229ff6afc811f2277fb8ecf27178fa7ccf91f
SSDEEP

49152:F0Q5Ujw6tkkcq428htQPOL2XmGs3hfFeWmu3rWrHGn9LvH8nLwPlC/v3:BiE6OzqehtQ+ThdN7YHGn976wPl6v3

Score

10^/10

bootkit discovery evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "2"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "2"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Drops file in Drivers directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File created	C:\Windows\system32\drivers\etc\host_new	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File created	C:\Windows\System32\drivers\etc\hosts	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2188-6-0x0000000013140000-0x000000001372E000-memory.dmp	upx
behavioral1/memory/2188-7-0x0000000013140000-0x000000001372E000-memory.dmp	upx
behavioral1/memory/2188-8-0x0000000013140000-0x000000001372E000-memory.dmp	upx
behavioral1/memory/2188-3-0x0000000013140000-0x000000001372E000-memory.dmp	upx
behavioral1/memory/2188-120-0x0000000013140000-0x000000001372E000-memory.dmp	upx

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\I:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\N:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\P:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\G:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\M:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\O:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\U:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\W:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\Z:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\E:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\J:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\K:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\Q:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\S:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\V:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\Y:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\L:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\R:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\T:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
File opened (read-only)	\??\X:	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	2188	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\IIL = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\ltHI = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\ltTST = "20662"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 3016 wrote to memory of 2188	3016	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2664	2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	31
PID 2188 wrote to memory of 2664	2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	31
PID 2188 wrote to memory of 2664	2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	31
PID 2188 wrote to memory of 2664	2188	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe	31

System policy modification 1 TTPs 7 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "2"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "2"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "1"	ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\ba92222c0e5c25c531e322148d5ac011_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Enumerates VirtualBox registry keys
  - Drops file in Drivers directory
  - Checks for any installed AV software in registry
  - Checks whether UAC is enabled
  - Enumerates connected drives
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 932
    3⤵
    - Program crash
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Pre-OS Boot

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Software Discovery

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\PSETUPRKCG\PSNSBRG.cfg

Filesize
185B

MD5
b8224e5293d4fad1927c751cc00c80e7

SHA1
270b8c752c7e93ec5485361fe6ef7b37f0b4513b

SHA256
c47da9be4fc4d757add73c49654c9179067af547d0cc758d6356e2955bbfcb61

SHA512
8fed9a509e46319529145fa2159251e43040d26080af84e44badaab1dd339c767ff75a2c473bc0abfb448b03beb96718ee34ba6bc150ed3085322878b55a22f2

Download Submit
C:\Windows\System32\drivers\etc\host_new

Filesize
977B

MD5
53316bc0c42b9d65743709021f1d03c7

SHA1
44cfe377bf7fedee2ce8f888cfacefd283e924e6

SHA256
600d914eb6b9ffb387be5b7300ca138192a4e86c4679c9bff36bcf0364e74b36

SHA512
9b390f6d7955413c8d63d02dff6988442cf78bbfb72e12f7deab56b190c1a7f455c5af3344ee5a1f7477d383c24e567af4fb7639ab6d9f014935418bf1cf00f6

Download Submit
memory/2188-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2188-6-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/2188-7-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/2188-9-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2188-8-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/2188-3-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/2188-0-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/2188-120-0x0000000013140000-0x000000001372E000-memory.dmp

Filesize
5.9MB

Download
memory/3016-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads