MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4
SHA3-384 hash: 3a38238d8ed49e596e7778d0ff3f2c158b42a2a949f08a02cbe39415b059a5d8ca6ab2dec5be19496df1a4db9cf2b1ab
SHA1 hash: 9008a6a4439a8e64c371e15a1ed3210f6e6a7d40
MD5 hash: 7ebb88878607b2198fa599a8b69fa83b
humanhash: berlin-yankee-speaker-cat
File name:Popis gostiju u prilogu.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:787'968 bytes
First seen:2023-04-13 09:57:15 UTC
Last seen:2023-04-13 13:29:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e83c017938f0de29fc4e619e02b3d225 (2 x ModiLoader, 1 x Formbook, 1 x AveMariaRAT)
ssdeep 12288:cjtATpxC7cYFqGwib8yzaeCvFJIqtIz2XjkJ/PufCUWUo2:cjt2pHYkUraDvFTIazkJ/Pu/ro
Threatray 2'516 similar samples on MalwareBazaar
TLSH T169F47D2DB252D837E4722FB95D0B93A09826BF24391ED9167EE93E5C7F3568038141B3
TrID 85.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.9% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 70fcd4d6c6d2d4dc (3 x ModiLoader, 2 x Formbook, 1 x Gh0stRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
250
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Popis gostiju u prilogu.exe
Verdict:
Malicious activity
Analysis date:
2023-04-13 09:58:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7f744b9-7aaa-4bc1-893e-83e69c621273

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/381978/
Detection(s):
SecuriteInfo.com.Variant.Zusy.457049.13692.23772.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
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending an HTTP GET request
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/77710/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook greyware keylogger overlay zusy
Link:
https://www.filescan.io/uploads/6437d22d8cbb8f4be3039bbc/reports/41c1b952-1411-43d3-b245-e9e0f4051efb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4
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/6e5024d6-28cb-43d9-8a1d-7bcdcbb86723
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1213124
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 846040 Sample: Popis_gostiju_u_prilogu.exe Startdate: 13/04/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 7 other signatures 2->58 10 Popis_gostiju_u_prilogu.exe 1 18 2->10         started        process3 dnsIp4 46 web.fe.1drv.com 10->46 48 ph-files.fe.1drv.com 10->48 50 2 other IPs or domains 10->50 36 C:\Users\Public\Libraries\Ujhlxlbf.exe, PE32 10->36 dropped 38 C:\Users\...\Ujhlxlbf.exe:Zone.Identifier, ASCII 10->38 dropped 76 Writes to foreign memory regions 10->76 78 Allocates memory in foreign processes 10->78 80 Creates a thread in another existing process (thread injection) 10->80 82 Injects a PE file into a foreign processes 10->82 15 iexpress.exe 10->15         started        file5 signatures6 process7 signatures8 92 Modifies the context of a thread in another process (thread injection) 15->92 94 Maps a DLL or memory area into another process 15->94 96 Sample uses process hollowing technique 15->96 98 2 other signatures 15->98 18 explorer.exe 9 12 15->18 injected process9 dnsIp10 40 shops.myshopify.com 23.227.38.74, 49686, 80 CLOUDFLARENETUS Canada 18->40 42 www.vulacils.com 18->42 44 11 other IPs or domains 18->44 60 System process connects to network (likely due to code injection or exploit) 18->60 22 Ujhlxlbf.exe 18->22         started        25 systray.exe 18->25         started        27 mstsc.exe 18->27         started        signatures11 process12 signatures13 62 Antivirus detection for dropped file 22->62 64 Multi AV Scanner detection for dropped file 22->64 66 Writes to foreign memory regions 22->66 74 3 other signatures 22->74 29 colorcpl.exe 2 22->29         started        68 Modifies the context of a thread in another process (thread injection) 25->68 70 Maps a DLL or memory area into another process 25->70 72 Tries to detect virtualization through RDTSC time measurements 25->72 32 cmd.exe 1 25->32         started        process14 signatures15 84 Modifies the context of a thread in another process (thread injection) 29->84 86 Maps a DLL or memory area into another process 29->86 88 Sample uses process hollowing technique 29->88 90 Tries to detect virtualization through RDTSC time measurements 29->90 34 conhost.exe 32->34         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-13 07:02:56 UTC
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wlmysdn3yncmphuzcj7xv27t6rmtjeebyibt4uuickf5fszxvc2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
45d68cb2a4e2ea11ba073766a2de69759539026cc66a0215f48ff46342e3ed84
Formbook
74b472ebfa120b3c19287ed837c243b65de17bd647eea036d338b17f5e2ec548
Formbook
a6cc6af418510edc207b3468d29e80afecce2aa47a683b02bc0da39c60505801
Formbook
b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4
Formbook
d11933411093e586653221106dbd02ee574044b4ca7f1bf9d91c6c558b00acdd
Formbook
e4a8a88bffaf744487df4bfd56f975542f59efb4aabe037f2ce5baea61875f98
Formbook
+ 2'506 additional samples on MalwareBazaar
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/230413-lzg7zaca5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
ModiLoader Second Stage
Xloader payload
ModiLoader, DBatLoader
Xloader
Unpacked files
SH256 hash:
9c9a525a861642da6c4239a3c7b5264a4691ac3016efbcb83ecb1faff75532f1
MD5 hash:
a5fd04cfbb5fe91ac98204a158bd01a7
SHA1 hash:
3772c8e53baa4acafac810123c81f5a440f0e490
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/76383e3a-30d9-4a48-a5ec-5ffdb85eb0df/
Parent samples :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 hash:
b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4
MD5 hash:
7ebb88878607b2198fa599a8b69fa83b
SHA1 hash:
9008a6a4439a8e64c371e15a1ed3210f6e6a7d40
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/76383e3a-30d9-4a48-a5ec-5ffdb85eb0df/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b2d9890dbbc3/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/b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe b2d9890dbbc344c79e99127f7aebf3f459349081c2033e5288128bd2cb37a8b4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381978/

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