11cec8a863b61415143e20d23887022d09541d0362c6eb8af6a937f0019182e4

General

Target

083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe
Size

175KB
MD5

083c7bc21f39b44e983c12c019669818
SHA1

9025d94ca16c34058083fc7694101255dd1f0f60
SHA256

11cec8a863b61415143e20d23887022d09541d0362c6eb8af6a937f0019182e4
SHA512

7533aceed619845e3ad0f46cf9d5b8f8a2d5228e52e1aef96c5430691571883f5201d05c5cf196319c2d00171fa8ee67a38e606a99425c9fa4279ede45e99886
SSDEEP

3072:O3DjYM/jnH/nJ99gn5MJjlPLOBAZ1iXu0encNIcoutkjcEmoUK6:O4GrHvJ9ewjpKBAZ1iX7CcicoSq/

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	ins8248.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	ins8248.exe
File created	C:\Windows\assembly\Desktop.ini	ins8248.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3104-0-0x00000000006A0000-0x000000000071D000-memory.dmp	upx
behavioral2/memory/3104-21-0x00000000006A0000-0x000000000071D000-memory.dmp	upx
behavioral2/memory/3104-26-0x00000000006A0000-0x000000000071D000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins8248.exe
File created	C:\Windows\assembly\Desktop.ini	ins8248.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins8248.exe

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

System Information Discovery
T1082

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	ins8248.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2860	ins8248.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	ins8248.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	ins8248.exe
2860	ins8248.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2860	3104	083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe	82
PID 3104 wrote to memory of 2860	3104	083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe	82
PID 3104 wrote to memory of 2860	3104	083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\083c7bc21f39b44e983c12c019669818_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Users\Admin\AppData\Local\Temp\ins8248\ins8248.exe
  "C:\Users\Admin\AppData\Local\Temp\ins8248\ins8248.exe" ins.exe /t102e9171535c4185ac16b3888925fb /e10803481 /u24fcfd1d-162d-11e3-bc49-80c16e6f498c
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ins8248\ins8248.exe

Filesize
256KB

MD5
d8256547ca0a650ea393964f69dae300

SHA1
be23209fa5e30dbbfb71feb98547cb2798fba978

SHA256
c7ba479a39f137ebfdb252e8eddc30567e0959990818a679e948f7cc5005c343

SHA512
e83851057fa22fc5564fad01441c29fc22bf829312e86b13fb980a9fe03160673414bda68fe8789e4914929b5e1c259bc253571d24311f50ef93dfb4c32578c3

Download Submit
memory/2860-18-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-12-0x0000000073FA2000-0x0000000073FA3000-memory.dmp

Filesize
4KB

Download
memory/2860-13-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-14-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-17-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-19-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-20-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-22-0x0000000073FA2000-0x0000000073FA3000-memory.dmp

Filesize
4KB

Download
memory/2860-23-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/2860-25-0x0000000073FA0000-0x0000000074551000-memory.dmp

Filesize
5.7MB

Download
memory/3104-0-0x00000000006A0000-0x000000000071D000-memory.dmp

Filesize
500KB

Download
memory/3104-21-0x00000000006A0000-0x000000000071D000-memory.dmp

Filesize
500KB

Download
memory/3104-26-0x00000000006A0000-0x000000000071D000-memory.dmp

Filesize
500KB

Download

Analysis

Sharing