metasploit | e1575a492e7ef326e9f1a34b4f95802769dad23923a57df83cac1bfc9832a9d3

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 17:49

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General

Target

IMG29581-JPEG.scr
Size

244KB
MD5

55664a1ffcc246c6f1036375d2685403
SHA1

8c6ec90f92b322db5d190693cee03919fdf9d87c
SHA256

47c559452326e82e0c44a14c981e82174e35f74a823efd703b8b9968f9dff935
SHA512

60a43318392c1deb70277ac3390c0816e61fa6e1c9ac5ecae2e1ea9a17fba4f75f2ef412ef157706fd39068d7f029a6304cdde919c6e5f292f93ed328e2531c5
SSDEEP

3072:y4y3BlUCcNYn3FVYvHy2DIZTJErtgA6ujDLX5ynNfW9OEYqD71:ylACtn3YXDI1eXjaX+7

Score

10^/10

metasploit backdoor discovery trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 2824	3016	IMG29581-JPEG.scr	29

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2824-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-8-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-9-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-6-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-5-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2824-11-0x0000000000400000-0x0000000000464000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	2824	WerFault.exe	29

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	IMG29581-JPEG.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMG29581-JPEG.scr

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 3016 wrote to memory of 2824	3016	IMG29581-JPEG.scr	29
PID 2824 wrote to memory of 2880	2824	IMG29581-JPEG.scr	30
PID 2824 wrote to memory of 2880	2824	IMG29581-JPEG.scr	30
PID 2824 wrote to memory of 2880	2824	IMG29581-JPEG.scr	30
PID 2824 wrote to memory of 2880	2824	IMG29581-JPEG.scr	30

C:\Users\Admin\AppData\Local\Temp\IMG29581-JPEG.scr
"C:\Users\Admin\AppData\Local\Temp\IMG29581-JPEG.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\IMG29581-JPEG.scr
  "C:\Users\Admin\AppData\Local\Temp\IMG29581-JPEG.scr" /S
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 140
    3⤵
    - Program crash
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2824-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-6-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-5-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-1-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2824-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download