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File name:

stealler.exe

Full analysis: https://app.any.run/tasks/34e76178-2ea0-4b37-a608-6372dc7cc10f
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

Analysis date: July 11, 2019, 20:03:03
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
stealer
baldr
trojan
loader
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

0EEFDD89CE81CB5EAE8D83130373CF24

SHA1:

D9C345FF8D1FAD969AD9A6883968215475CAEC67

SHA256:

CADCEF1B2C609C08C28750F58FD245AD054D1C7367C3F8A5779B634431E572BF

SSDEEP:

3072:kNpX2uAFp2Ob4Bg8iJxN7QFlMJifPefGr3uXk3EGduhprjO7e:4mZXIi88VQSIPeeLuXAsKS

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

    • Application was dropped or rewritten from another process

      • MSCBoard.exe (PID: 2484)
      • MSCBoard.exe (PID: 3996)
      • dllhost.exe (PID: 3088)
      • w56izo28q7.exe (PID: 2792)
    • Stealing of credential data

      • stealler.exe (PID: 3096)
    • Changes the autorun value in the registry

      • stealler.exe (PID: 3096)
      • MSCBoard.exe (PID: 2484)
      • MSCBoard.exe (PID: 3996)
      • w56izo28q7.exe (PID: 2792)
      • dllhost.exe (PID: 3088)
    • BALDR was detected

      • stealler.exe (PID: 3096)
    • Connects to CnC server

      • stealler.exe (PID: 3096)
    • Actions looks like stealing of personal data

      • stealler.exe (PID: 3096)
    • Downloads executable files from the Internet

      • stealler.exe (PID: 3096)
    • Loads dropped or rewritten executable

      • stealler.exe (PID: 3096)
  • SUSPICIOUS

    • Reads the cookies of Google Chrome

      • stealler.exe (PID: 3096)
    • Executable content was dropped or overwritten

      • MSCBoard.exe (PID: 2484)
      • stealler.exe (PID: 3096)
      • w56izo28q7.exe (PID: 2792)
    • Checks for external IP

      • stealler.exe (PID: 3096)
    • Starts itself from another location

      • MSCBoard.exe (PID: 2484)
      • w56izo28q7.exe (PID: 2792)
    • Reads Environment values

      • stealler.exe (PID: 3096)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: -
OriginalFileName: ARM.exe
LegalTrademarks: -
LegalCopyright: Copyright © 2019
InternalName: ARM.exe
FileVersion: 1.0.0.0
FileDescription: -
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x154de
UninitializedDataSize: -
InitializedDataSize: 1536
CodeSize: 79360
LinkerVersion: 8
PEType: PE32
TimeStamp: 2019:07:08 15:37:45+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 08-Jul-2019 13:37:45
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.0.0.0
InternalName: ARM.exe
LegalCopyright: Copyright © 2019
LegalTrademarks: -
OriginalFilename: ARM.exe
ProductName: -
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 08-Jul-2019 13:37:45
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000134E4
0x00013600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.65257
.rsrc
0x00016000
0x00000400
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.61009
.reloc
0x00018000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.20533
740
UNKNOWN
UNKNOWN
RT_VERSION

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
5
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start drop and start #BALDR stealler.exe mscboard.exe mscboard.exe w56izo28q7.exe dllhost.exe

Process information

PID
CMD
Path
Indicators
Parent process
3096"C:\Users\admin\AppData\Local\Temp\stealler.exe" C:\Users\admin\AppData\Local\Temp\stealler.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
2484"C:\Users\admin\AppData\Local\Temp\MSCBoard.exe" C:\Users\admin\AppData\Local\Temp\MSCBoard.exe
stealler.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Messages Board
Exit code:
0
Version:
1.0.0.0
3996"C:\Users\admin\AppData\Local\MSCBoard\MSCBoard.exe" -lC:\Users\admin\AppData\Local\MSCBoard\MSCBoard.exe
MSCBoard.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Messages Board
Version:
1.0.0.0
2792"C:\Users\admin\AppData\Local\Temp\w56izo28q7.exe" C:\Users\admin\AppData\Local\Temp\w56izo28q7.exe
stealler.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
3088"C:\Users\admin\AppData\Local\Microsoft.SecurityKL\dllhost.exe" -kC:\Users\admin\AppData\Local\Microsoft.SecurityKL\dllhost.exe
w56izo28q7.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Total events
1 126
Read events
1 108
Write events
18
Delete events
0

Modification events

(PID) Process:(3096) stealler.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:Microsoft Defender Updating
Value:
"C:\Users\admin\AppData\Local\BrowserUpdate3d\stealler.exe" -3d
(PID) Process:(3096) stealler.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3096) stealler.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2484) MSCBoard.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:MSCBoard
Value:
"C:\Users\admin\AppData\Local\MSCBoard\MSCBoard.exe" -l
(PID) Process:(2484) MSCBoard.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2484) MSCBoard.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3996) MSCBoard.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:MSCBoard
Value:
"C:\Users\admin\AppData\Local\MSCBoard\MSCBoard.exe" -l
(PID) Process:(3096) stealler.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Multimedia\DrawDib
Operation:writeName:vga.drv 1280x720x32(BGR 0)
Value:
31,31,31,31
(PID) Process:(2792) w56izo28q7.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:SecurityKey
Value:
"C:\Users\admin\AppData\Local\Microsoft.SecurityKL\dllhost.exe" -k
(PID) Process:(2792) w56izo28q7.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
8
Suspicious files
5
Text files
15
Unknown types
1

Dropped files

PID
Process
Filename
Type
3096stealler.exeC:\Users\admin\AppData\Local\Temp\1re3-s5yig75o
MD5:
SHA256:
3096stealler.exeC:\Users\admin\AppData\Local\BrowserUpdate3d\stealler.exeexecutable
MD5:0EEFDD89CE81CB5EAE8D83130373CF24
SHA256:CADCEF1B2C609C08C28750F58FD245AD054D1C7367C3F8A5779B634431E572BF
3096stealler.exeC:\Users\admin\AppData\Local\Temp\q8nzqy4uavg68rmgscptn8s0o2s42sqlite
MD5:DD9640AF5F03807CF2E3921CBA16AF0D
SHA256:ECF72C454FEF08C5948A565464839A554567E499F995483D6C8B54B32EA2C5F0
3096stealler.exeC:\Users\admin\AppData\Local\arm.plugins\KeyLogger.dllexecutable
MD5:8E03DECF1880E2830C3AD39AE223E749
SHA256:FA88A7998BF07798169C95955452216972C24A67FAE2422A5BFD3DCD4F098939
3096stealler.exeC:\Users\admin\AppData\Local\arm.logs\Desktop Files\chrisapr.rtftext
MD5:1954D13D96680B960FEBE0793C555EBC
SHA256:36ADD60D364DCFADC8ADAA6B0AE49AB782CDB8D311DA74311871BA75357C86B3
3096stealler.exeC:\Users\admin\AppData\Local\arm.logs\Browsers\Passwords.txttext
MD5:A5C22431970929C1A0CEF532B3630C85
SHA256:A296A62F08549B646F10917DFDF6712CDB479CA8F51264E661D75484446B39CB
3096stealler.exeC:\Users\admin\AppData\Local\BrowserUpdate3d\3d.dattext
MD5:F29F4C859B42B184CD7BC7DCAA5A9EEC
SHA256:2DDF7F093DC9C3B334071992601FB0DDC78C73D70BBD503904089B1EDBC63697
3096stealler.exeC:\Users\admin\AppData\Local\arm.logs\Desktop Files\guidenude.rtftext
MD5:35548B848791774D2B44055C1A6C49D5
SHA256:FB522CAB4E269A15C57823A1DFAC4B7EC751EB6CCA43F95511A243D88228EA63
3096stealler.exeC:\Users\admin\AppData\Local\arm.plugins\WebCam.dllexecutable
MD5:5D08A914EF32F81FF7A0450B0D42AA11
SHA256:BD74765A3345D597572B0B3B664637610F14C3A4E19E746642C66FB6927A78DF
3096stealler.exeC:\Users\admin\AppData\Local\arm.logs\Skype\Local Storage\leveldb\LOGtext
MD5:7F39B22308B34B4138A09991EC4D41C5
SHA256:31C4D714AFBFAB8D23AE08F061F6A5F1E46A26B0AB20795EAC7D2134A55CCEB6
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
4
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3096
stealler.exe
GET
200
185.194.141.58:80
http://ip-api.com/json/
DE
text
265 b
shared
3096
stealler.exe
GET
200
141.8.192.151:80
http://f0316439.xsph.ru/m.exe
RU
executable
371 Kb
malicious
3096
stealler.exe
POST
200
141.8.192.151:80
http://f0316439.xsph.ru/ARMBot/upload.php
RU
malicious
3096
stealler.exe
POST
200
141.8.192.151:80
http://f0316439.xsph.ru/ARMBot/logs.php
RU
text
5 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3096
stealler.exe
185.194.141.58:80
ip-api.com
netcup GmbH
DE
unknown
3096
stealler.exe
141.8.192.151:80
f0316439.xsph.ru
Sprinthost.ru LLC
RU
malicious

DNS requests

Domain
IP
Reputation
ip-api.com
  • 185.194.141.58
shared
f0316439.xsph.ru
  • 141.8.192.151
malicious

Threats

PID
Process
Class
Message
3096
stealler.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
3096
stealler.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
3096
stealler.exe
A Network Trojan was detected
MALWARE [PTsecurity] Baldr.Stealer C2 Response
3096
stealler.exe
A Network Trojan was detected
ET TROJAN Single char EXE direct download likely trojan (multiple families)
3096
stealler.exe
Potentially Bad Traffic
ET CURRENT_EVENTS Terse alphanumeric executable downloader high likelihood of being hostile
3096
stealler.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
No debug info