facd07e963be2c76765db828dd1e3472c4b35b2e06970c7fa45de159dbc42133

General

Target

35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
Size

464KB
MD5

35c5da8537ca04c1efec5d828bd85296
SHA1

108e52f570ccafcd7846b6bee700180f38af0b28
SHA256

facd07e963be2c76765db828dd1e3472c4b35b2e06970c7fa45de159dbc42133
SHA512

59bc38a24198386e28eb939b9f8d6d54b2e427b315523ec5da9b179322396e7e03df98e6e6b3b6256f2007eb7b44d633b3dad04e863e2908e10a11123279e7ed
SSDEEP

12288:m+kdOPWLXkTK1nWoYEcNLEHX4LFkhSVkuVGX:mLgDKB/lvXs2X

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Bmlebdtvg = "C:\\Windows\\SysWOW64\\mfc110frab.exe"	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	mfc110frab.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	mfc110frab.exe

Executes dropped EXE 1 IoCs

pid	Process
620	mfc110frab.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 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mfc110frab.exe	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mfc110frab.exe	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1696	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
620	mfc110frab.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 620	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	86
PID 1356 wrote to memory of 620	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	86
PID 1356 wrote to memory of 620	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	86
PID 1356 wrote to memory of 3640	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	88
PID 1356 wrote to memory of 3640	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	88
PID 1356 wrote to memory of 3640	1356	35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe	88
PID 620 wrote to memory of 1696	620	mfc110frab.exe	90
PID 620 wrote to memory of 1696	620	mfc110frab.exe	90
PID 620 wrote to memory of 1696	620	mfc110frab.exe	90

C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\SysWOW64\mfc110frab.exe
  C:\Windows\SysWOW64\mfc110frab.exe
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:1696
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins2093.bat "C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe"
  2⤵
  PID:3640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~unins2093.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Users\Adminxplore.exe

Filesize
89B

MD5
2bd83f0dd1740fff26d071dcdd59af56

SHA1
221e9e64a79255053a9e4da65957a7bdd6bc045b

SHA256
70a676e21716581858de2753ea5eec8befe6741ed299216f65a13c3853805c05

SHA512
fe632b63b8b850cc83f0eb2a114de60693ec0dd8b62fe8f0938b42526557889f48357da0ca3bb06bed1ad68562280023a69b54d93cff8b7266bb8ebb63ac903c

Download Submit
C:\Windows\SysWOW64\mfc110frab.exe

Filesize
233KB

MD5
253f39d69c68ec6aa2da4a1fb5517d0f

SHA1
2182d04f0fae0f9239a2dfe4c8ed43731403d46b

SHA256
51d90b9eebf126c1bc96c8b2b5e182f1247b82b45342ba4bf5718cfcaef6c1e3

SHA512
d0b1e91501652366a7b918acd8dd1175a88d4599210d807c87b7bd972f2b7ad31680c4bd880fa02b030c91fbb243a65c87091ff9b056b25695d74d7275b9625c

Download Submit
memory/1356-0-0x000000000040E000-0x00000000004D8000-memory.dmp

Filesize
808KB

Download
memory/1356-1-0x0000000002280000-0x0000000002330000-memory.dmp

Filesize
704KB

Download
memory/1356-5-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1356-27-0x000000000040E000-0x00000000004D8000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads