MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5
SHA3-384 hash: 316c03045913532ac3d8948fb65263b1920db5ab869c2cb2cd8bc96bf98b426a37336d4454ee99c5b5d18e8eead3bbed
SHA1 hash: 0f0d54c6d3662f1200cc39dad47f5e9c9cd2d1d4
MD5 hash: c13efa7fcba412fed784ef415ef46b66
humanhash: papa-nuts-avocado-thirteen
File name:e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5
Download: download sample
Signature Formbook
Create hunting rule
File size:699'392 bytes
First seen:2025-04-07 14:02:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UsBDL7xlloF3cBLiu4x0OcYWoLKymfDy8SsiwOXcIY2qUiiyGalEpiDJyo68HkgA:UsBDnl4cB+bx08YDy8SIOXLY4i3mp3
TLSH T1AEE4DF5C3610B58FC807CA759E98DDB4A6606CAA5307D303A5D32EBFB90D6A78F111F2
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 :
1'193
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/1083/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f3db1ee011fe619fac0171
Tags:
stration spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67f3db1e2d430c849e0ab917/reports/b2cdad52-d32e-4715-8e7f-03da8eb9524d/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2fb6e900-69f2-4f21-b6bd-7956ff6d90ce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1658394
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 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
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1658394 Sample: 1kFFaxInSo.exe Startdate: 07/04/2025 Architecture: WINDOWS Score: 100 35 www.urolube.xyz 2->35 37 www.xploreshipscienceteam.info 2->37 39 11 other IPs or domains 2->39 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 49 9 other signatures 2->49 11 1kFFaxInSo.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 file5 33 C:\Users\user\AppData\...\1kFFaxInSo.exe.log, ASCII 11->33 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 1kFFaxInSo.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 75 2 other signatures 15->75 20 explorer.exe 92 1 15->20 injected 73 Loading BitLocker PowerShell Module 18->73 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 wlanext.exe 20->26         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5/
Threat name:
Win32.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-03-22 07:35:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=434mkxri3mqp25tqccy3vzmh35s4mdejaiqw4zhu3phs3cc4ok2q._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mj25 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250407-rcsm3s1yav/
Behaviour
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:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/428a2a13-6621-41e7-b229-566446b513fb
Unpacked files
SH256 hash:
e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5
MD5 hash:
c13efa7fcba412fed784ef415ef46b66
SHA1 hash:
0f0d54c6d3662f1200cc39dad47f5e9c9cd2d1d4
Link:
https://www.unpac.me/results/f6ea3e08-bc24-46a1-9553-4371cdc0da6b/
SH256 hash:
ed7090c87927967c08f1c0b861b1c21ed1cd0885227c31bb4e52e857f657b667
MD5 hash:
ab04dbde3ab78a30cd8ef476fd5e2ee5
SHA1 hash:
2ea3e35075a11b8f762272f19d4efae3caeafc5e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f6ea3e08-bc24-46a1-9553-4371cdc0da6b/
Parent samples :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 hash:
ea390a179a9d093415bfe102791a361ea521901d368485a4fd7c6911e14a7457
MD5 hash:
a0963f32bca93486ead81483913735f3
SHA1 hash:
bb35c6dc94323a3c44705e1bdd3fa34ff54f11c2
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/f6ea3e08-bc24-46a1-9553-4371cdc0da6b/
SH256 hash:
463c9ed15c916e9dde851692ee47eff8caef6c8e143331de21e90fe334877130
MD5 hash:
c1bc24da391026cbd821d4d7548b4559
SHA1 hash:
7abb3acb559c60f56672ced0952419e48564a2c1
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/f6ea3e08-bc24-46a1-9553-4371cdc0da6b/
Parent samples :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 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/e6f8c55e28db20fd767010b1bae587df65c60c8902216e64f4dbcf2d885c72b5

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/1083/

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

Comments