845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd

Analysis

max time kernel
115s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 21:09

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General

Target

845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Size

74KB
MD5

f9d8deda22203b26b2599f9bb7af3cb1
SHA1

33c08df17641c6e473a6517f28d131644a41458d
SHA256

845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd
SHA512

6fec641c3b142c91db149a06840ff8a8c4a2b2ff1d20001d7aa0e7a017c43b07e27f4b1e73e54368061ee4931aa8f98840c709559b561ff2d540c6b4a31207ae
SSDEEP

1536:+Geq9JdyeRvVRzPNhQtOtFS4nnmUzbN7x98Y87M4IoNIp:+GeWOavVRzPfQtuFwqxIwRoyp

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe

Executes dropped EXE 1 IoCs

pid	Process
3888	Dmllipeg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Dmllipeg.exe	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
File opened for modification	C:\Windows\SysWOW64\Dmllipeg.exe	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
File created	C:\Windows\SysWOW64\Kngpec32.dll	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	3888	WerFault.exe	87

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Kngpec32.dll"	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3888	1400	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe	87
PID 1400 wrote to memory of 3888	1400	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe	87
PID 1400 wrote to memory of 3888	1400	845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe	87

C:\Users\Admin\AppData\Local\Temp\845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe
"C:\Users\Admin\AppData\Local\Temp\845a111aed0766f978d9da5839015208869ffe454e08a7a864d67597ee5bdbfd.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\Dmllipeg.exe
  C:\Windows\system32\Dmllipeg.exe
  2⤵
  - Executes dropped EXE
  PID:3888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 408
    3⤵
    - Program crash
    PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3888 -ip 3888
1⤵
PID:3260

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

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

C:\Windows\SysWOW64\Dmllipeg.exe

Filesize
74KB

MD5
a237e6a51456f1f1fac35df6862317fc

SHA1
a204b92fdad4bd244d2960428544d045a6d1df8c

SHA256
6046608959fad343efda52c2ee532d4edab69b6591328ea23ee87ccdbaa072da

SHA512
3cea33131a160ac8b1ff6cf6c362b0ea57dda4b873a1ae87c286ad00a757dd0ce7b02b92cbd75696a116ad278391d0b23b526d97f33db606088fe64ed60e9ba6

Download Submit
memory/1400-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1400-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3888-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3888-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads