metasploit | 739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357

General

Target

d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Size

238KB
MD5

d3533377832375322ddbbb74cc5345ba
SHA1

cdcda6610099c7293313aea7c81ed2076cc1488d
SHA256

739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357
SHA512

e765279be0b81a673147b6528bf1a4162e7a83cb3771611151428aa6a26658b7881a38a532047c498704f48b09558bb8f64fb3b0aed54e40de4ff69a8ef30faa
SSDEEP

6144:zC3MpH6kDw0RNHxHSK8GfvI9Ns6heKn89dSIc:e3MpaGw0XHJ8GYcWeKnUc

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

Executes dropped EXE 2 IoCs

pid	Process
2620	igfxbh86.exe
2920	igfxbh86.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh86.exe	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbh86.exe	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2620 set thread context of 2920	2620	igfxbh86.exe	32

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2252-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-7-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-11-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-10-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-9-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2252-29-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2920-31-0x0000000000400000-0x0000000000440000-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 3 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	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2620	igfxbh86.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2252	2676	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2620	2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2620	2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2620	2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2620	2252	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	31
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32
PID 2620 wrote to memory of 2920	2620	igfxbh86.exe	32

C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\igfxbh86.exe
    "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\D35333~1.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Windows\SysWOW64\igfxbh86.exe
      "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\D35333~1.EXE
      4⤵
      Executes dropped EXE
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

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

\Windows\SysWOW64\igfxbh86.exe

Filesize
238KB

MD5
d3533377832375322ddbbb74cc5345ba

SHA1
cdcda6610099c7293313aea7c81ed2076cc1488d

SHA256
739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357

SHA512
e765279be0b81a673147b6528bf1a4162e7a83cb3771611151428aa6a26658b7881a38a532047c498704f48b09558bb8f64fb3b0aed54e40de4ff69a8ef30faa

Download Submit
memory/2252-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2252-29-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2920-23-0x0000000000432000-0x000000000044B000-memory.dmp

Filesize
100KB

Download
memory/2920-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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