8e90b1bf86000fc4e4f67632e581fa696ee61aad3bb5223cd00cc7a068d669f2

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 09:35

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General

Target

737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
Size

226KB
MD5

737eb7fbed3c5e2f3cfc96e40b30470d
SHA1

ebc344f75495686ffada1946b06e9e73720ffea1
SHA256

8e90b1bf86000fc4e4f67632e581fa696ee61aad3bb5223cd00cc7a068d669f2
SHA512

6ec155f7aa79dbc2d4d833cddf1721abe88151766e1cd9abf71f89bfe3ee27c098d4b71f540a1bde60368a92a9c4e3b9c4fdde0a8ebafdf82bc7a0e24a19ddec
SSDEEP

1536:hf095kqdKPgKwMRQQ4b4Nm7BJt902JnI4gOL:hw5kyGw2QlZc96

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2808	sentax.exe

Loads dropped DLL 2 IoCs

pid	Process
2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/files/0x000d00000001225f-5.dat	upx
behavioral1/memory/2028-17-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2808-18-0x0000000000400000-0x0000000000424000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\uaoakujm-juJu-jkBk = "C:\\Windows\\SysWOW64\\sentax.exe"	sentax.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sentax.exe	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\sentax.exe	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\sentax.exe	sentax.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	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sentax.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
2808	sentax.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2808	2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2808	2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2808	2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2808	2028	737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\737eb7fbed3c5e2f3cfc96e40b30470d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\sentax.exe
  C:\Windows\SysWOW64\sentax.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\sentax.exe

Filesize
226KB

MD5
737eb7fbed3c5e2f3cfc96e40b30470d

SHA1
ebc344f75495686ffada1946b06e9e73720ffea1

SHA256
8e90b1bf86000fc4e4f67632e581fa696ee61aad3bb5223cd00cc7a068d669f2

SHA512
6ec155f7aa79dbc2d4d833cddf1721abe88151766e1cd9abf71f89bfe3ee27c098d4b71f540a1bde60368a92a9c4e3b9c4fdde0a8ebafdf82bc7a0e24a19ddec

Download Submit
memory/2028-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2028-13-0x0000000000270000-0x0000000000294000-memory.dmp

Filesize
144KB

Download
memory/2028-12-0x0000000000270000-0x0000000000294000-memory.dmp

Filesize
144KB

Download
memory/2028-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads