d9758b8ad39be9370665f737d3e55d6db2fb1d17cb6f73be91ab5fff0c34831f

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 14:44

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General

Target

0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
Size

815KB
MD5

0f3606317e68f53684cf6603c666b94e
SHA1

5cc08f35c4615311a06cfcf718ce5326a3b59547
SHA256

d9758b8ad39be9370665f737d3e55d6db2fb1d17cb6f73be91ab5fff0c34831f
SHA512

30d1f85812e56187bd6f959973fbef64f02618feed5b842668026a02f5e7b275954895deb2a909b65c0e4466e97e1b858571daf5a11ca4b4f9d64b700e00ba6c
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjNsW:r5sJo6YrFUiyAak11LtjNsW

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2360	svchest000.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe"	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2392	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
2360	svchest000.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2392-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2392-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x00080000000164db-8.dat	upx
behavioral1/memory/2360-9-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2360-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2392-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest000.exe	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
File created	\??\c:\Windows\svchest000.exe	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.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	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchest000.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2360	2392	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2360	2392	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2360	2392	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2360	2392	0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0f3606317e68f53684cf6603c666b94e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2360

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

C:\Windows\svchest000.exe

Filesize
815KB

MD5
0f3606317e68f53684cf6603c666b94e

SHA1
5cc08f35c4615311a06cfcf718ce5326a3b59547

SHA256
d9758b8ad39be9370665f737d3e55d6db2fb1d17cb6f73be91ab5fff0c34831f

SHA512
30d1f85812e56187bd6f959973fbef64f02618feed5b842668026a02f5e7b275954895deb2a909b65c0e4466e97e1b858571daf5a11ca4b4f9d64b700e00ba6c

Download Submit
memory/2360-9-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2360-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2392-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2392-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2392-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads