MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 597f85e07140fd0564539538b3013a27ae2ef80f5ca86ecf2968cbcd0453fa93. 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 6 File information Comments

SHA256 hash: 597f85e07140fd0564539538b3013a27ae2ef80f5ca86ecf2968cbcd0453fa93
SHA3-384 hash: 1c8c24ad669617e5af4fffd8332ae50489d47397d8eb8d695ba5f7f78d84902455e7dac8542578042d3ff21eb5382e53
SHA1 hash: 484365e5a8aab2186eab0e9bbb4d27529931b491
MD5 hash: c7bf0ba3957cd19011dbe9f047061286
humanhash: mike-double-carpet-lima
File name:597f85e07140fd0564539538b3013a27ae2ef80f5ca86ecf2968cbcd0453fa93
Download: download sample
Signature Formbook
File size:1'396'736 bytes
First seen:2025-04-08 07:19:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:t09RoWW6RcA2xgya73LmoBnSDIkRH1EDm+5K4Q6esb/j0pjr:t07jW6CohODIkPEDmn4ZbL6
Threatray 2'788 similar samples on MalwareBazaar
TLSH T156552327BBCAC5A1C7511BBBF9BB984103ACD74AF717C75E7089232C49033BAA15524B
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 :
398
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
597f85e07140fd0564539538b3013a27ae2ef80f5ca86ecf2968cbcd0453fa93
Verdict:
No threats detected
Analysis date:
2025-04-08 07:43:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
net_reactor obfuscated packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659002 Sample: vQAe1fwhL8.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 28 www.extremedoge.xyz 2->28 30 www.corsix.xyz 2->30 32 11 other IPs or domains 2->32 42 Suricata IDS alerts for network traffic 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 50 7 other signatures 2->50 10 vQAe1fwhL8.exe 2 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 signatures5 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->62 13 InstallUtil.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 jo1Yc1TWIfp.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 RMActivate_ssp.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 jo1Yc1TWIfp.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 zcdn.8383dns.com 134.122.135.54, 49737, 49738, 49739 BCPL-SGBGPNETGlobalASNSG United States 22->34 36 www.vitaloint.life 66.29.149.46, 49741, 49742, 49743 ADVANTAGECOMUS United States 22->36 38 6 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-03-21 18:05:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
597f85e07140fd0564539538b3013a27ae2ef80f5ca86ecf2968cbcd0453fa93
MD5 hash:
c7bf0ba3957cd19011dbe9f047061286
SHA1 hash:
484365e5a8aab2186eab0e9bbb4d27529931b491
SH256 hash:
1c86a54b35f39675e4d61517fafa7a47af8ed74274772df906f02657f50b072d
MD5 hash:
df037c30d114ad69e1748748264146af
SHA1 hash:
0370becc56e8838454ae9cbbf36045b7853b2425
SH256 hash:
def38fb84bee168c160c9b3085a7b389e661ab5d56bc146d46ce7de4ca41cbfb
MD5 hash:
beab93635a6e26523cd476ac375e12c5
SHA1 hash:
0e011c9143f1fc5743617b0341f4b744dc24fde7
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
550c1ed7214f23d029b9aec3fae763bd3d3c33af846e06c9d07953a75d609c0f
MD5 hash:
9234fcaa96042f8125c286497257bc87
SHA1 hash:
f2a00a414c0b2212f893d779f5399088c60a666f
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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 (GUARD_CF)high

Comments