0190d4d9a8c175957af3cde47ec3eab88ca23316dc96d613ea2554bbe6a379c0

General

Target

26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
Size

61KB
MD5

26cbb55ba9788bed6f2a5f50df92b546
SHA1

4f9653bc344ef7c64a58d3980ae5e6dff5d5a253
SHA256

0190d4d9a8c175957af3cde47ec3eab88ca23316dc96d613ea2554bbe6a379c0
SHA512

f35eb634889c7a150044c06d8296210a1e5e62b91df064be0455f799ca35c80605928d25e0d40b9a130abfb4b5cd1b06fb5af45affd1f42b1ae1e779709d836e
SSDEEP

1536:WPTkWZZnk+6bvPUiP6lefu0XZIVvgjMIQDErcgYV0j8YW5JVKj:WIWFk+6T4leW0+SMIWErcgYVSWhKj

Score

10^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 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"	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2760	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2784	bill102.exe
2812	bill102.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sysfbtray = "c:\\windows\\bill102.exe"	bill102.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bill102.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2784 set thread context of 2812	2784	bill102.exe	33

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2924-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2728-3-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2924-6-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2728-7-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2728-9-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2728-8-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/files/0x000d000000012255-14.dat	upx
behavioral1/memory/2728-28-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2784-25-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2784-37-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2812-38-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2812-39-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2812-40-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2812-41-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/2812-42-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\bill102.exe	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
File created	\??\c:\windows\bill102.exe	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
File created	C:\Windows\dxxdv34567.bat	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	bill102.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bill102.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main	bill102.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main\tp = "1000"	bill102.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
2784	bill102.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2924 wrote to memory of 2728	2924	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	29
PID 2728 wrote to memory of 2784	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2784	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2784	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2784	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2760	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2760	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2760	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2760	2728	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33
PID 2784 wrote to memory of 2812	2784	bill102.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\26cbb55ba9788bed6f2a5f50df92b546_JaffaCakes118.exe
  2⤵
  - UAC bypass
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2728
- - \??\c:\windows\bill102.exe
    c:\windows\bill102.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - \??\c:\windows\bill102.exe
      c:\windows\bill102.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      PID:2812
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\dxxdv34567.bat
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2760

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

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Credential Access

Discovery

System Information Discovery

1

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:\Windows\bill102.exe

Filesize
61KB

MD5
26cbb55ba9788bed6f2a5f50df92b546

SHA1
4f9653bc344ef7c64a58d3980ae5e6dff5d5a253

SHA256
0190d4d9a8c175957af3cde47ec3eab88ca23316dc96d613ea2554bbe6a379c0

SHA512
f35eb634889c7a150044c06d8296210a1e5e62b91df064be0455f799ca35c80605928d25e0d40b9a130abfb4b5cd1b06fb5af45affd1f42b1ae1e779709d836e

Download Submit
C:\Windows\dxxdv34567.bat

Filesize
277B

MD5
6c82337cbeddfacfb26ffb4816ab8529

SHA1
539a0c2ffee5bc4b3d8dd2cce2af6de0a5987512

SHA256
b1383e740ed3afde96cba2da099b93a013a656f52e23418540ca5a468b0a4e44

SHA512
69ce112dde9d969550b27baeb348079f9cd38cf1076b21944055b10a1143938fc894cc3f1fb6dfe3f5b309d3502760f278d572023c867703f930a1b286cfbb08

Download Submit
memory/2728-28-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2728-16-0x00000000003C0000-0x00000000003D5000-memory.dmp

Filesize
84KB

Download
memory/2728-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2728-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2728-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2728-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2784-37-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2784-25-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2812-38-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2812-39-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2812-40-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2812-41-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2812-42-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2924-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2924-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads