244b778a4475cc0e2327a12c268fe419374ec48b990b544a44c76252bc64ecf0

General

Target

fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe
Size

806KB
MD5

fafefc77fc58935d314f45bc4dede994
SHA1

633e923b13b3d05f2d2853b96c7c84e4f1eb8b3d
SHA256

244b778a4475cc0e2327a12c268fe419374ec48b990b544a44c76252bc64ecf0
SHA512

04d59d1ddf13767e0b34a7f1db9d1a6952fe660220b021b4817c09fb7047aa16c9b8127d97401455dc13e5220ed0a7333dc96690c212f39c4b22bed466e96f95
SSDEEP

24576:ZuTa5oZgmQYJ0RyXQqdWuYnJ1B1iXZOmJmD:Zu+5cSq0UA8o1iA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2256	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1624-0-0x0000000000880000-0x0000000000ADE000-memory.dmp	upx
behavioral1/files/0x00030000000178b0-2.dat	upx
behavioral1/memory/1624-4-0x0000000002690000-0x00000000028EE000-memory.dmp	upx
behavioral1/memory/1624-9-0x0000000000880000-0x0000000000ADE000-memory.dmp	upx
behavioral1/memory/2256-10-0x0000000000B70000-0x0000000000DCE000-memory.dmp	upx
behavioral1/memory/2256-31-0x0000000000B70000-0x0000000000DCE000-memory.dmp	upx

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	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe

Modifies Internet Explorer settings 1 TTPs 3 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	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	setup.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	setup.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2256	setup.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe
1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe
2256	setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29
PID 1624 wrote to memory of 2256	1624	fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fafefc77fc58935d314f45bc4dede994_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\setup.exe
  C:\Users\Admin\AppData\Local\Temp\setup.exe relaunch
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Y03N6hTRhr\intro_page.html

Filesize
15KB

MD5
60995d04e55f8d138cf5183e95942906

SHA1
d90f51dd6705b94d7d3915dad623f61a7654a410

SHA256
05b3464493d500473e1370aafd8c0b8db1678bd38353237141997607caf5c132

SHA512
3886ba8025d96b3ba1522def75b997aec503505c14ec3364bba93fa8a5509c792b44bc67a9afbfcc4af9047bad69ae7c9dfd61ec094079cf7ddf3838704af871

Download Submit
\Users\Admin\AppData\Local\Temp\setup.exe

Filesize
806KB

MD5
fafefc77fc58935d314f45bc4dede994

SHA1
633e923b13b3d05f2d2853b96c7c84e4f1eb8b3d

SHA256
244b778a4475cc0e2327a12c268fe419374ec48b990b544a44c76252bc64ecf0

SHA512
04d59d1ddf13767e0b34a7f1db9d1a6952fe660220b021b4817c09fb7047aa16c9b8127d97401455dc13e5220ed0a7333dc96690c212f39c4b22bed466e96f95

Download Submit
memory/1624-0-0x0000000000880000-0x0000000000ADE000-memory.dmp

Filesize
2.4MB

Download
memory/1624-4-0x0000000002690000-0x00000000028EE000-memory.dmp

Filesize
2.4MB

Download
memory/1624-9-0x0000000000880000-0x0000000000ADE000-memory.dmp

Filesize
2.4MB

Download
memory/1624-30-0x0000000002690000-0x00000000028EE000-memory.dmp

Filesize
2.4MB

Download
memory/2256-10-0x0000000000B70000-0x0000000000DCE000-memory.dmp

Filesize
2.4MB

Download
memory/2256-31-0x0000000000B70000-0x0000000000DCE000-memory.dmp

Filesize
2.4MB

Download

Analysis

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