MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments
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SHA256 hash: 1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e
SHA3-384 hash: c708fc12bddc7694926f6abe03f3e0135b751a17df3e2b8064af21f71da56b64011a88cd08dbb146410800005ee55ac9
SHA1 hash: 7105cae337e3cdb1ddcfd38771b9e97517c6ca2b
MD5 hash: 6be6f8ac2995ea730e692cc8e3853dae
humanhash: one-angel-paris-solar
File name:payment confirmation.exe
Download: download sample
Signature Formbook
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File size:694'272 bytes
First seen:2025-02-05 07:17:32 UTC
Last seen:2025-02-05 08:57:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:eYGhKswecl9FI0KeRp7e+jWAQt2qYcedUJanLt6cJHpEgheK421:2we4IKRpKYdQt2hHEanx6aJThN4
TLSH T196E4D0D43B7AA707DDA66A349635EDB452A91DACB000F9E75EDC3B4B78AD2005D0CF01
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
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
468
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
payment confirmation.exe
Verdict:
Malicious activity
Analysis date:
2025-02-05 07:51:48 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/b1acdbf7-f0cc-4c03-b131-cf396c53a388

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.35.8608.19522.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a3123451193558eb196d05
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a310bc85a4a79c5db878bb/reports/95a71c9d-c056-4c74-8718-edfaa73777be/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/598d8aae-cc3e-4d10-afea-c79202d234b8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1607200
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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
Suricata IDS alerts for network traffic
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 netsh to modify the Windows network and firewall settings
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: 1607200 Sample: payment confirmation.exe Startdate: 05/02/2025 Architecture: WINDOWS Score: 100 58 www.bcpoz.xyz 2->58 60 www.retleben.info 2->60 62 10 other IPs or domains 2->62 78 Suricata IDS alerts for network traffic 2->78 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 86 14 other signatures 2->86 11 payment confirmation.exe 7 2->11         started        15 wKliDISxwo.exe 5 2->15         started        signatures3 84 Performs DNS queries to domains with low reputation 58->84 process4 file5 50 C:\Users\user\AppData\...\wKliDISxwo.exe, PE32 11->50 dropped 52 C:\Users\...\wKliDISxwo.exe:Zone.Identifier, ASCII 11->52 dropped 54 C:\Users\user\AppData\Local\...\tmpD0B0.tmp, XML 11->54 dropped 56 C:\Users\...\payment confirmation.exe.log, ASCII 11->56 dropped 96 Adds a directory exclusion to Windows Defender 11->96 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 RegSvcs.exe 11->22         started        24 schtasks.exe 1 11->24         started        98 Multi AV Scanner detection for dropped file 15->98 100 Machine Learning detection for dropped file 15->100 26 RegSvcs.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 17->64 66 Maps a DLL or memory area into another process 17->66 68 Sample uses process hollowing technique 17->68 70 Queues an APC in another process (thread injection) 17->70 30 explorer.exe 90 1 17->30 injected 72 Loading BitLocker PowerShell Module 20->72 33 WmiPrvSE.exe 20->33         started        35 conhost.exe 20->35         started        74 Tries to detect virtualization through RDTSC time measurements 22->74 37 conhost.exe 24->37         started        76 Found direct / indirect Syscall (likely to bypass EDR) 26->76 39 conhost.exe 28->39         started        process9 signatures10 102 Uses netsh to modify the Windows network and firewall settings 30->102 41 svchost.exe 30->41         started        44 netsh.exe 30->44         started        process11 signatures12 88 Modifies the context of a thread in another process (thread injection) 41->88 90 Maps a DLL or memory area into another process 41->90 92 Tries to detect virtualization through RDTSC time measurements 41->92 94 Switches to a custom stack to bypass stack traces 41->94 46 cmd.exe 1 41->46         started        process13 process14 48 conhost.exe 46->48         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
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Status:
Malicious
First seen:
2025-02-03 15:24:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7vkzj4oidcvdqact6qyhhhlbu3k2ew73vybgrahg23r437u6m7a._file
Verdict:
malicious
Label(s):
formbook
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unknown_loader_037
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Similar samples:
error
Formbook
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:k15k discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250205-h43gxswld1/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7e2e2f85-5f91-40e4-a98e-e5110b82fd0e
Unpacked files
SH256 hash:
1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e
MD5 hash:
6be6f8ac2995ea730e692cc8e3853dae
SHA1 hash:
7105cae337e3cdb1ddcfd38771b9e97517c6ca2b
Link:
https://www.unpac.me/results/8d82d201-a9a5-4707-b8fd-75af19cd8d93/
SH256 hash:
ac0ee20ddc01f7ea346632316cc8ae33a7511ba3390783c0918af1ba4ccfaa62
MD5 hash:
7792acfd4094f8935950c52aec41bb38
SHA1 hash:
34b9b3ad4499796203346bff88d3204cc3e1ee4e
Link:
https://www.unpac.me/results/8d82d201-a9a5-4707-b8fd-75af19cd8d93/
SH256 hash:
abee6e0c40658d1796f9d104b36e949c722f7ef798108b3c9c8889f6c49ce367
MD5 hash:
c5a1f94d2e049660a169cdc41530fd74
SHA1 hash:
c0f95ad25c352d49a236b8dbcca981c314d22888
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/8d82d201-a9a5-4707-b8fd-75af19cd8d93/
SH256 hash:
ac3b14c119214851aa49d32a426093d2ad42d54b927b7b9f87dc15e177a52578
MD5 hash:
eb444a3f84bdc1d767be5908cf47feed
SHA1 hash:
c99706fb89f73e4948aa1b9fa22d383182c6e564
Detections:
win_formbook_w0
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win_formbook_g0
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win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
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Formbook
Create hunting rule
Link:
https://www.unpac.me/results/8d82d201-a9a5-4707-b8fd-75af19cd8d93/
Parent samples :
7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6
1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e
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/1feaaca78e40c551c0029fa1839ceb0d36ad12dfdd7013440736b71e6ff4f33e

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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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