File name:

readme.exe

Full analysis: https://app.any.run/tasks/bc7d4c49-88f8-4130-8ba0-6d1060410e0d
Verdict: Malicious activity
Analysis date: March 23, 2022, 05:23:46
OS: Windows 10 Professional (build: 16299, 64 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

F80D324C58330924265109D0074EBBF1

SHA1:

FD4C4F7A3ABB7B7E991FA4F3D908D5B59FC7376E

SHA256:

42A1D2A7885898C85524A6B18550A9E01B86E5AD1C33AF845B6AE1450EF69BFE

SSDEEP:

12288:6Q3RibhtyxYJcyfnPDdpkrqdtE4YCvcsy8l4L9tpKwSA:6SoF8mcyfLdmmfE4YCksy+4L9

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 2328)

    • Scans artifacts that could help determine the target

      • WerFault.exe (PID: 1916)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • rundll32.exe (PID: 332)

    • Executed via COM

      • rundll32.exe (PID: 4320)

    • Reads Environment values

      • WerFault.exe (PID: 1916)

    • Drops a file with a compile date too recent

      • WerFault.exe (PID: 1916)

    • Executable content was dropped or overwritten

      • WerFault.exe (PID: 1916)

    • Reads the date of Windows installation

      • WerFault.exe (PID: 1916)

    • Creates files in the program directory

      • WerFault.exe (PID: 1916)

  • INFO

    • Checks supported languages

      • WerFault.exe (PID: 1916)

    • Reads settings of System Certificates

      • WerFault.exe (PID: 1916)

    • Reads CPU info

      • WerFault.exe (PID: 1916)

    • Reads the software policy settings

      • WerFault.exe (PID: 1916)

    • Reads the computer name

      • WerFault.exe (PID: 1916)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Delphi generic (57.2)
.exe | Win32 Executable (generic) (18.2)
.exe | Win16/32 Executable Delphi generic (8.3)
.exe | Generic Win/DOS Executable (8)
.exe | DOS Executable Generic (8)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x83658
UninitializedDataSize: -
InitializedDataSize: 132608
CodeSize: 536576
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 1992:06:20 00:22:17+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Detected languages:
  • Arabic - Iraq
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
CODE
0x00001000
0x00082F80
0x00083000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.51765
DATA
0x00084000
0x000020D8
0x00002200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.63389
BSS
0x00087000
0x00000EC9
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x00088000
0x0000230E
0x00002400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.96162
.reloc
0x0008B000
0x00009750
0x00009800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
6.63312
.rsrc
0x00095000
0x00012800
0x00012800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
6.85523

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.85232
744
UNKNOWN
English - United States
RT_ICON
2
2.80231
308
UNKNOWN
UNKNOWN
RT_CURSOR
3
3.00046
308
UNKNOWN
UNKNOWN
RT_CURSOR
4
2.56318
308
UNKNOWN
UNKNOWN
RT_CURSOR
5
2.6949
308
UNKNOWN
UNKNOWN
RT_CURSOR
6
2.62527
308
UNKNOWN
UNKNOWN
RT_CURSOR
7
2.91604
308
UNKNOWN
UNKNOWN
RT_CURSOR
8
2.6633
308
UNKNOWN
UNKNOWN
RT_CURSOR
33
7.71808
47532
UNKNOWN
Arabic - Iraq
F23P5O42T52OI4M5GSFG
4073
3.07348
472
UNKNOWN
UNKNOWN
RT_STRING

Imports

advapi32.dll
comctl32.dll
gdi32.dll
kernel32.dll
ole32.dll
oleaut32.dll
user32.dll
version.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
117
Monitored processes
4
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start rundll32.exe no specs rundll32.exe rundll32.exe no specs werfault.exe

Process information

PID
CMD
Path
Indicators
Parent process
332"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\readme.exe", #1C:\Windows\System32\rundll32.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.16299.15 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\rundll32.exe
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcryptprimitives.dll
c:\windows\system32\shcore.dll
1916C:\WINDOWS\SysWOW64\WerFault.exe -u -p 2328 -s 664C:\WINDOWS\SysWOW64\WerFault.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.16299.15 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\syswow64\ntdll.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\kernel32.dll
c:\windows\syswow64\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernelbase.dll
2328"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\readme.exe", #1C:\WINDOWS\SysWOW64\rundll32.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
3221225477
Version:
10.0.16299.15 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\kernel32.dll
c:\windows\syswow64\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernelbase.dll
4320C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -EmbeddingC:\WINDOWS\System32\rundll32.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.16299.15 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\rundll32.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcryptprimitives.dll
c:\windows\system32\shcore.dll
Total events
652
Read events
648
Write events
4
Delete events
0

Modification events

(PID) Process:(1916) WerFault.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\61\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
2
Text files
2
Unknown types
4

Dropped files

PID
Process
Filename
Type
1916WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERFF9D.tmp.WERInternalMetadata.xmlxml
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FEder
MD5:—
SHA256:—
1916WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_f596f40eadbb4c7a277d35962347221742946e5_fbd3a6de_0774099e\Report.wertext
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785binary
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785der
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2328.dmpdmp
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\Local\Temp\WAXFF00.tmpexecutable
MD5:—
SHA256:—
1916WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERFEFF.tmp.dmpdmp
MD5:—
SHA256:—
1916WerFault.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FEbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
26
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5152
sihclient.exe
GET
200
2.21.143.74:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Secure%20Server%20CA%202.1.crl
unknown
der
821 b
whitelisted
4108
svchost.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
1916
WerFault.exe
GET
200
2.21.143.74:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
der
814 b
whitelisted
3524
svchost.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
1916
WerFault.exe
GET
200
92.123.194.163:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
der
1.11 Kb
whitelisted
3180
svchost.exe
GET
200
92.123.194.162:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
der
1.11 Kb
whitelisted
3180
svchost.exe
GET
200
2.21.143.74:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
der
814 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
5624
WaaSMedic.exe
51.124.78.146:443
settings-win.data.microsoft.com
Microsoft Corporation
GB
whitelisted
5352
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
Microsoft Corporation
GB
whitelisted
3180
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
Microsoft Corporation
GB
whitelisted
5152
sihclient.exe
52.242.101.226:443
sls.update.microsoft.com
Microsoft Corporation
US
suspicious
3180
svchost.exe
2.21.143.74:80
www.microsoft.com
Telia Company AB
—
malicious
5152
sihclient.exe
2.21.143.74:80
www.microsoft.com
Telia Company AB
—
malicious
3180
svchost.exe
92.123.194.162:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
4108
svchost.exe
20.190.160.71:443
login.live.com
Microsoft Corporation
US
suspicious
1916
WerFault.exe
2.21.143.74:80
www.microsoft.com
Telia Company AB
—
malicious
2628
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
—
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
  • 20.73.194.208
whitelisted
time.windows.com
  • 40.119.148.38
whitelisted
sls.update.microsoft.com
  • 52.242.101.226
whitelisted
crl.microsoft.com
  • 92.123.194.162
  • 92.123.194.163
whitelisted
www.microsoft.com
  • 2.21.143.74
whitelisted
login.live.com
  • 20.190.160.71
  • 20.190.160.129
  • 20.190.160.67
  • 20.190.160.134
  • 20.190.160.6
  • 20.190.160.75
  • 20.190.160.136
  • 20.190.160.69
  • 20.190.160.4
  • 20.190.160.132
  • 20.190.160.8
  • 20.190.160.73
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
watson.telemetry.microsoft.com
  • 20.189.173.21
whitelisted
settings-win-ppe.data.microsoft.com
  • 20.54.108.54
whitelisted
self.events.data.microsoft.com
  • 13.89.179.8
whitelisted

Threats

No threats detected
No debug info
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Reports
readme.exe