676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f

General

Target

676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Size

115KB
MD5

91131a37729c1097f118c524e99ac610
SHA1

24b2880934f7b76d52111f8a31c67fcf0fc97741
SHA256

676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f
SHA512

8cb641859b459aedd7b5992cfeb40890c90c077136f985d81277f683293ccce785b59aa1cf34b18e46ebbab3d56d9ef88863388b665a7bf7d13078e1be76ab13
SSDEEP

3072:BoRBRJRBRRRRRRhRRRRRRRhRRRRpJRRRRRRRRRRRRRRRRRRRRRRRRRRRppRRRRRd:Bo9RpwqosctDY

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2036-56-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/2036-58-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/2036-59-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/2036-64-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/2036-65-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2036-66-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/2036-67-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2036-69-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2036-71-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2036	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\oinmvis = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\oinmvis.dll\",oinmvis"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe

Modifies WinLogon 2 TTPs 8 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\Impersonate = "1"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\Asynchronous = "1"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\MaxWait = "1"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\animkmin = 0fa3bca13e8cf2867d18	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\DllName = "C:\\Users\\Admin\\AppData\\Local\\oinmvis.dll"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\oinmvis\Startup = "oinmvis"	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27
PID 1948 wrote to memory of 2036	1948	676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe	27

C:\Users\Admin\AppData\Local\Temp\676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
"C:\Users\Admin\AppData\Local\Temp\676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
  C:\Users\Admin\AppData\Local\Temp\676288756c1a55fcac7b8a186f89e9703e9047b50292673023434b1568a14e1f.exe
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies WinLogon
  PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\oinmvis.dll

Filesize
23KB

MD5
a8051ab07b4313b577f60cda0d581a89

SHA1
cf0a6e474f3d3ca208fd582b103f776421f5e5c9

SHA256
dbec4f4721d05a22aa6fc4e5b4f381ecda2b140a56ede1febd52546fad4d3309

SHA512
7450a87422e85ee1882cab3a713875f169bdaeee55d39bfbdd52909243b252d356e699ff6e36d19cafaa93762a8b949eed0ad539c91bca14fe892c2a260aaa9f

Download Submit
memory/1948-61-0x00000000001F0000-0x00000000001F4000-memory.dmp

Filesize
16KB

Download
memory/1948-68-0x00000000001F0000-0x00000000001F4000-memory.dmp

Filesize
16KB

Download
memory/1948-54-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/2036-59-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-58-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-64-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-65-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2036-66-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-67-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2036-56-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-69-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2036-55-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2036-71-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads