MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
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SHA256 hash: b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
SHA3-384 hash: 0782de13934b7519c63ed2fc0c7af2d5dfa5d64f3bd67c170cb3c7f61b1f07fdaab133e3274cf859b5e8fe1e16da497f
SHA1 hash: 8dfb225e396966f5ef1cec4e86e24f063ef2cb8b
MD5 hash: 89b0f3adc6ab1db516dfb6b88b391889
humanhash: blossom-idaho-nevada-july
File name:b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
Download: download sample
Signature Formbook
Create hunting rule
File size:653'824 bytes
First seen:2025-01-10 14:09:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:oTzatXXkfTlVKJrfkgZyW2gZkg326y5usx+Xt:oTzatXXkfTlV6MgMgdyx
TLSH T152D40118555AEA12CA9513B91FB2F2B127FD2ECEA911D3074FEA7DEBB475F001C44282
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
Verdict:
Suspicious activity
Analysis date:
2025-01-10 16:28:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ea4e705-9b21-470e-8ea8-e46128557808

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Passwordstealer-10038493-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67812a512c8240e189bb844c
Tags:
remcos virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67812a4972a72c6ee1c01a42/reports/42c477ef-3b4b-4dc4-9808-8ee5781eec09/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c52ef03e-09db-4924-b393-eeb374efc6e1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1589048
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1589048 Sample: SLbGQtdFSQ.exe Startdate: 11/01/2025 Architecture: WINDOWS Score: 100 59 www.ustjump.xyz 2->59 61 www.olfgalaxy.xyz 2->61 63 9 other IPs or domains 2->63 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus / Scanner detection for submitted sample 2->81 85 9 other signatures 2->85 11 SLbGQtdFSQ.exe 7 2->11         started        15 STGxJbGQmSyNc.exe 5 2->15         started        signatures3 83 Performs DNS queries to domains with low reputation 61->83 process4 file5 51 C:\Users\user\AppData\...\STGxJbGQmSyNc.exe, PE32 11->51 dropped 53 C:\...\STGxJbGQmSyNc.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\Temp\tmp19.tmp, XML 11->55 dropped 57 C:\Users\user\AppData\...\SLbGQtdFSQ.exe.log, ASCII 11->57 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Adds a directory exclusion to Windows Defender 11->97 99 Tries to detect virtualization through RDTSC time measurements 11->99 107 2 other signatures 11->107 17 SLbGQtdFSQ.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        101 Antivirus detection for dropped file 15->101 103 Multi AV Scanner detection for dropped file 15->103 105 Machine Learning detection for dropped file 15->105 26 STGxJbGQmSyNc.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 75 1 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        75 Found direct / indirect Syscall (likely to bypass EDR) 26->75 40 conhost.exe 28->40         started        process9 process10 42 wscript.exe 30->42         started        45 cmstp.exe 30->45         started        signatures11 87 Modifies the context of a thread in another process (thread injection) 42->87 89 Maps a DLL or memory area into another process 42->89 91 Tries to detect virtualization through RDTSC time measurements 42->91 93 Switches to a custom stack to bypass stack traces 42->93 47 cmd.exe 42->47         started        process12 process13 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 06:55:18 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjs7bof7cefs2cqolz6cisykekd3j4rcyhd7ncikr3xzv5g2j76q._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bs84 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250110-rgrxcaylfr/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Packed.Passwordstealer-10038493-0
YARA:
n/a
Link:
https://app.threat.zone/submission/47a9c4f7-b79d-4318-843d-95402cd1a3bd
Unpacked files
SH256 hash:
de67581d4377157bf3c5c7dc95fa21981764c17658529358b765260fff7a126f
MD5 hash:
32fa5cb4a375adfae69cf63df40d773f
SHA1 hash:
484281a3eb97941ebd921600e5706e13cee465db
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/09f07358-addb-45fe-a117-993d9757a6f3/
Parent samples :
9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a
c1858ea28a880a9d789497986b541c29f79cb2d6de8aea568f09b309a7819c73
b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1
fc4b96c08701cd086a981e6a3cf8e76f6da3377d08f2f081dc46c4228096b7ed
SH256 hash:
0c792b05701c09acea9016411cd96b30070dca5402e691f79e2e9e7350ea7bff
MD5 hash:
619731c8e8bf58748f1f8a95676a03da
SHA1 hash:
bcb370576151b1556f64fe88b874582ca2c06daf
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/09f07358-addb-45fe-a117-993d9757a6f3/
SH256 hash:
dcedf1a0901395ad6419c369dcbeaaeb0840a026664755d7327e98c18a46eb70
MD5 hash:
d071cef28377645fa098171143ec1246
SHA1 hash:
1ab4e75117d553309709aa7cd82639a43b110063
Link:
https://www.unpac.me/results/09f07358-addb-45fe-a117-993d9757a6f3/
SH256 hash:
b265f0b8bf110b2d0a0e5e7c244b0a2287b4f222c1c7f6890a8eef9af4da4ffd
MD5 hash:
89b0f3adc6ab1db516dfb6b88b391889
SHA1 hash:
8dfb225e396966f5ef1cec4e86e24f063ef2cb8b
Link:
https://www.unpac.me/results/09f07358-addb-45fe-a117-993d9757a6f3/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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