MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862
SHA3-384 hash: 41e538393f5bc1a1885728056c560a3d36e6bade94d3f195c6420c60ec683024920898c3463b6ad54f7000a653336247
SHA1 hash: db1688040af7719a4df3b48eb9ad21ac877b74d5
MD5 hash: eefb894b716e096f89f839e664198491
humanhash: gee-california-fruit-lamp
File name:Prilozena potvrda narudzbe.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:946'176 bytes
First seen:2022-08-25 06:37:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2cf6967194f6d1304e0f1c36c461b666 (4 x RemcosRAT, 2 x DBatLoader, 1 x Formbook)
ssdeep 12288:yGfp37BLoRAHgBx8vzFpzU14p+R15BT7gr8dcnJDnsaXaXmYPuqZ6ZoYt:y8t4AHgBx8LzRpoWYdcnJDuPRZeoI
TLSH T110159F12B363CC3BE53716788D07D56D6D2D7A215A38640A2FE51D087B3A3A3661F2CB
TrID 61.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
24.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
10.7% (.OCX) Windows ActiveX control (116521/4/18)
1.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.2% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon ecdce4c48c9ce4c4 (14 x RemcosRAT, 9 x DBatLoader, 5 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Prilozena potvrda narudzbe.exe
Verdict:
Malicious activity
Analysis date:
2022-08-25 06:44:33 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/803bc923-3b17-408a-a839-4a2049482c97

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301032/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.29088.18382.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/30022/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger overlay shell32.dll
Link:
https://www.filescan.io/uploads/630718dcf205e2ee76764d24/reports/f8515342-2e08-4a9c-8900-bfe999130de1/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4aa8f506-79fe-4292-b7c7-dcc65c4dfc64
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1057503
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Tries to detect virtualization through RDTSC time measurements
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690018 Sample: Prilozena potvrda narudzbe.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 5 other signatures 2->90 10 Prilozena potvrda narudzbe.exe 1 23 2->10         started        15 Dlrgxztnw.exe 15 2->15         started        17 Dlrgxztnw.exe 2->17         started        process3 dnsIp4 66 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49719, 49722 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->66 68 ph-files.fe.1drv.com 10->68 74 2 other IPs or domains 10->74 58 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->58 dropped 60 C:\Users\Public\Libraries\Dlrgxztnw.exe, PE32 10->60 dropped 62 C:\Users\...\Dlrgxztnw.exe:Zone.Identifier, ASCII 10->62 dropped 64 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->64 dropped 102 Writes to foreign memory regions 10->102 104 Allocates memory in foreign processes 10->104 106 Creates a thread in another existing process (thread injection) 10->106 19 cmd.exe 3 10->19         started        22 iexpress.exe 10->22         started        70 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49734, 49736 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 15->70 72 ph-files.fe.1drv.com 15->72 76 2 other IPs or domains 15->76 108 Multi AV Scanner detection for dropped file 15->108 110 Machine Learning detection for dropped file 15->110 112 Injects a PE file into a foreign processes 15->112 24 cleanmgr.exe 15->24         started        78 3 other IPs or domains 17->78 26 cleanmgr.exe 17->26         started        file5 signatures6 process7 signatures8 92 Uses ping.exe to sleep 19->92 94 Drops executables to the windows directory (C:\Windows) and starts them 19->94 96 Uses ping.exe to check the status of other devices and networks 19->96 28 easinvoker.exe 19->28         started        30 PING.EXE 1 19->30         started        33 xcopy.exe 2 19->33         started        42 6 other processes 19->42 98 Maps a DLL or memory area into another process 22->98 100 Tries to detect virtualization through RDTSC time measurements 22->100 36 explorer.exe 22->36 injected 38 WerFault.exe 24->38         started        40 WerFault.exe 24->40         started        process9 dnsIp10 44 cmd.exe 1 28->44         started        80 127.0.0.1 unknown unknown 30->80 82 192.168.2.1 unknown unknown 30->82 54 C:\Windows \System32\easinvoker.exe, PE32+ 33->54 dropped 56 C:\Windows \System32\netutils.dll, PE32+ 42->56 dropped file11 process12 signatures13 114 Suspicious powershell command line found 44->114 116 Adds a directory exclusion to Windows Defender 44->116 47 powershell.exe 28 44->47         started        50 conhost.exe 44->50         started        process14 signatures15 118 DLL side loading technique detected 47->118 52 conhost.exe 47->52         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-24 20:57:32 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jur2bgi7h2wirgzi6p7aifqqul3inf7ud3eaxhz4cc6qc4lntbra._file
Verdict:
malicious
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:euv4 loader persistence rat trojan
Link:
https://tria.ge/reports/220825-hd3d8sghcn/
Behaviour
Enumerates system info in registry
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Xloader payload
ModiLoader, DBatLoader
Xloader
Unpacked files
SH256 hash:
e12966b31b8967e1ef25d8b2864025b106eb0a9b08dfaeada072e28900f7d566
MD5 hash:
7406ae53a6b6a3349e308c1bb34e6077
SHA1 hash:
f7ac5b5914d230c61972da8557a14dedb51555e8
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/74373b0e-c6a3-440a-abe2-18395fc8b071/
Parent samples :
59d26fa675cac7fdf3c0fa7f5869ecc1691eb132faf4dfab5ecd1c01f47cfade
1a9449eb429ea1c829080ee13d587a0c799f8ee4f4dca0182f446ce3baa92514
4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862
13953945568abd68de0b2f8f04dfe03bcbecece905968dee4c0c1d4140ad09a7
2a68d228070ae7e99c1ed57e5744d8f299f962e322239493b5fed464ed9b5815
a81cfd3fa62e47eb4a12fdb5be1aff2bbd0a14d2ec41afa136c711ba3bfca4f2
8bc1e0fe003422b0c648ad868651cfc32f7bfb27cabe1aea2c3d55ad76ac0b7b
SH256 hash:
4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862
MD5 hash:
eefb894b716e096f89f839e664198491
SHA1 hash:
db1688040af7719a4df3b48eb9ad21ac877b74d5
Link:
https://www.unpac.me/results/74373b0e-c6a3-440a-abe2-18395fc8b071/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d23a0991f3e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4d23a0991f3eac889b28f3fe041610a2f68697f41ec80b9f3c10bd01716d9862

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/301032/

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