metasploit | 85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866ae

General

Target

85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe
Size

247KB
MD5

ea0e2408ddfc42bcdddbb49ede686a90
SHA1

fd077ed435d222098f952af1dfe371ce66e5d0e0
SHA256

85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866ae
SHA512

d24d9b5d2ebd33d0bc34c8e8b96ecd4bdc8d3d46a2a03d9f5aa19e9788468f4a233b0e0fa1c141e921525bf198a798a6f79d4ebfb3bd25c53f98d0bbed38500c
SSDEEP

3072:+i4F1LEepvXtJBgF3lpmmk/QEUGB/QHCx/bz0s7fbpe2olMwW4EIc:+9dEeJX+FvX7HPssRlMwW4dc

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 1940 set thread context of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2284-3-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-9-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-7-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-16-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2284-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	2284	WerFault.exe	31

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	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 1940 wrote to memory of 2284	1940	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	31
PID 2284 wrote to memory of 2636	2284	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	32
PID 2284 wrote to memory of 2636	2284	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	32
PID 2284 wrote to memory of 2636	2284	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	32
PID 2284 wrote to memory of 2636	2284	85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe	32

C:\Users\Admin\AppData\Local\Temp\85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe
"C:\Users\Admin\AppData\Local\Temp\85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe
  "C:\Users\Admin\AppData\Local\Temp\85efc787867accc31df48f652a34d271b2570b9ae4913e8780ae387d11f866aeN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 140
    3⤵
    - Program crash
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/1940-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1940-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2284-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-7-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

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