1967d22da4cf35379ff71d503094114b713071de67672606c03f239693e0eaae

Analysis

max time kernel
147s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 14:47

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General

Target

58fb6908563d7ca58bc4f11d5af0c2da.exe
Size

27KB
MD5

58fb6908563d7ca58bc4f11d5af0c2da
SHA1

32a0217989b22f099f2748d9a94cce44dc19ec44
SHA256

1967d22da4cf35379ff71d503094114b713071de67672606c03f239693e0eaae
SHA512

ac2c83dcc02fbb8031f44bc84099f38acc4f73608036b4f828fef203a7df183aa2b2ed49e1a25d5696f81027244f103644bbed22e6b98f402b2051071706db5f
SSDEEP

768:ypuTVQoynPg9f4cwafHpb7GYYMSqDC0LEhPFgFwSZHG:ywTV4Pg9fLwGkYYMSqDteMV

Score

8^/10

adware persistence stealer upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1932-4-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/1932-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	58fb6908563d7ca58bc4f11d5af0c2da.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	58fb6908563d7ca58bc4f11d5af0c2da.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mmmavcav.dll	58fb6908563d7ca58bc4f11d5af0c2da.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar	58fb6908563d7ca58bc4f11d5af0c2da.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 4824	1932	58fb6908563d7ca58bc4f11d5af0c2da.exe	15
PID 1932 wrote to memory of 4824	1932	58fb6908563d7ca58bc4f11d5af0c2da.exe	15
PID 1932 wrote to memory of 4824	1932	58fb6908563d7ca58bc4f11d5af0c2da.exe	15

C:\Users\Admin\AppData\Local\Temp\58fb6908563d7ca58bc4f11d5af0c2da.exe
"C:\Users\Admin\AppData\Local\Temp\58fb6908563d7ca58bc4f11d5af0c2da.exe"
1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c preved.bat
  2⤵
  PID:4824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1932-4-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

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memory/1932-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads