123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67

General

Target

f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
Size

148KB
MD5

f21840bca0f16abd3492be6aa887cd83
SHA1

1d3a041574ab242c2f00d186ce8a6fb435406b99
SHA256

123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67
SHA512

1662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b
SSDEEP

3072:nX4RybtCyyL9v16SQqiEl6gkciScgYP/3/bUk+ARsOHv7+HmEEtFuJy3o:noRgCDvkSQ24xcilZPHbUpAlvqHXEzuK

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2576	WMPRWISE.EXE

Loads dropped DLL 4 IoCs

pid	Process
2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
2576	WMPRWISE.EXE
2576	WMPRWISE.EXE

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2008-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/files/0x0009000000012255-6.dat	upx
behavioral1/memory/2008-12-0x00000000002C0000-0x00000000002FE000-memory.dmp	upx

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\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Firewall 2.9 = "C:\\Users\\Admin\\AppData\\Roaming\\WMPRWISE.EXE"	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\desktop.ini	WMPRWISE.EXE
File opened for modification	C:\Users\Admin\AppData\Roaming\desktop.ini	WMPRWISE.EXE

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	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMPRWISE.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\LowRegistry	WMPRWISE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 383434393731383632	WMPRWISE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2576	2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe	30
PID 2008 wrote to memory of 2576	2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe	30
PID 2008 wrote to memory of 2576	2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe	30
PID 2008 wrote to memory of 2576	2008	f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Roaming\WMPRWISE.EXE
  C:\Users\Admin\AppData\Roaming\WMPRWISE.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  PID:2576

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

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

\Users\Admin\AppData\Roaming\WMPRWISE.EXE

Filesize
148KB

MD5
f21840bca0f16abd3492be6aa887cd83

SHA1
1d3a041574ab242c2f00d186ce8a6fb435406b99

SHA256
123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67

SHA512
1662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b

Download Submit
\Users\Admin\AppData\Roaming\desktop.ini

Filesize
9KB

MD5
4a27242b307c6a836993353035fafc16

SHA1
5fea7a41b8f9071848108015d8a952e6f944eea0

SHA256
02fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1

SHA512
35e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be

Download Submit
\Users\Admin\AppData\Roaming\ntuser.dat

Filesize
54KB

MD5
7e8e966927e04a35aec644602b8a9e05

SHA1
d201b0b41e8701818d60ddbf9f334332a512c4da

SHA256
46f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c

SHA512
246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51

Download Submit
memory/2008-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2008-1-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2008-12-0x00000000002C0000-0x00000000002FE000-memory.dmp

Filesize
248KB

Download
memory/2008-2-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2576-15-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2576-26-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads