ccf42782bf4dbc5e467cd582c986be1f2e36b1b4c66c882eab4efc6fdbe24384

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-08-2024 18:36

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General

Target

8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
Size

180KB
MD5

8b83f87a013d3674008eeb3f36520eef
SHA1

360f3e8c87523e13766828b0fa43d01f3eb11a70
SHA256

ccf42782bf4dbc5e467cd582c986be1f2e36b1b4c66c882eab4efc6fdbe24384
SHA512

a0f72c58d3fd3289cfdd666d708b5903f663010e4946ecbc05227487fc78625cc2e6c55ed2ba240c73f8340b2e9d17f0090a8cf0e22ac889637c4ca871d7194a
SSDEEP

3072:JW9ys0FU/RiJwRkOndQ03yNWRySUhSPNO7CXfQRVlIjHHmuTS5Xc+ow0BvY:o9KWRiJE3PgJk4eXfIQJ+XxoXW

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-0-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/2704-16-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dbfcaedfeec.dll	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dbfcaedfeec.dll	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RCX5689.tmp	8b83f87a013d3674008eeb3f36520eef_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	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\International	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2820	2704	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2820	2704	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2820	2704	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2820	2704	8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8b83f87a013d3674008eeb3f36520eef_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\f1ea79589d93afe8c6cafcbcffbe45f5.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\f1ea79589d93afe8c6cafcbcffbe45f5.bat

Filesize
219B

MD5
4506e2367e48b410a8dd9f13c1f533b8

SHA1
291cb1c17e38af1b7f3244a5062c1efea651ace5

SHA256
cecff654b7b8d5fcdf1740f2ec0a8eff57a9226646d2c93107a0cc0c99f560e9

SHA512
650487f6b99e28896f56735b7ebc290136bfcf2b44c4ced81b83eeb05cb91228c29a9bebb329fe24637f1599c1b4140f5e00bf5b5528116677702d520c253e16

Download Submit
memory/2704-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2704-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download