MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 392ec2e0db217dc665b13c2e73b00d0ca2dc3b7f8a47eedf9a715d613e57a464. 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

SHA256 hash: 392ec2e0db217dc665b13c2e73b00d0ca2dc3b7f8a47eedf9a715d613e57a464
SHA3-384 hash: 5ee67ec466c5707cd92df9502e0818476aa3f603d126e7e305f4bc231dc01e4e3de62c97ba7aaa1fb1e32d86119978bc
SHA1 hash: ec891537902cfc46dfd4c23f523fb0cfd0bfb729
MD5 hash: cc79c483bd82e767f895902437d25710
humanhash: lactose-alpha-single-low
File name:25ZG0594-INV.exe
Download: download sample
Signature Formbook
File size:690'688 bytes
First seen:2025-09-06 02:27:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0aqojL4ep+9keRK6AKefTVYWHDqDBY7edfuMHPIjk1Z9D9QbOH1MCXRra94fiW/v:lqL9kegHDqDVJvIjINqbEBRzfiW/v
Threatray 914 similar samples on MalwareBazaar
TLSH T198E4220031079603C872ABF66A61E0F4ABF55E9EB913DB578FE97E8B363E3114941253
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 threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25ZG0594-INV.exe
Verdict:
No threats detected
Analysis date:
2025-09-06 03:36:22 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
virus msil
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
krypt packed stealer unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-05T13:36:00Z UTC
Last seen:
2025-09-05T13:36:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772185 Sample: 25ZG0594-INV.exe Startdate: 06/09/2025 Architecture: WINDOWS Score: 100 32 www.ecpay-tw067.xyz 2->32 34 www.78452609.xyz 2->34 36 19 other IPs or domains 2->36 44 Suricata IDS alerts for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected FormBook 2->48 52 3 other signatures 2->52 11 25ZG0594-INV.exe 3 2->11         started        signatures3 50 Performs DNS queries to domains with low reputation 34->50 process4 file5 30 C:\Users\user\...\25ZG0594-INV.exe.log, ASCII 11->30 dropped 62 Injects a PE file into a foreign processes 11->62 15 25ZG0594-INV.exe 11->15         started        signatures6 process7 signatures8 64 Maps a DLL or memory area into another process 15->64 18 oUpGBiuwiZXw.exe 15->18 injected process9 dnsIp10 38 www.suvorr.tokyo 46.37.111.21, 49735, 49736, 49737 Y-INTERNETGB Spain 18->38 40 www.mireza.site 203.161.43.199, 49743, 49744, 49745 VNPT-AS-VNVNPTCorpVN Malaysia 18->40 42 8 other IPs or domains 18->42 21 proquota.exe 13 18->21         started        process11 signatures12 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal browser information (history, passwords, etc) 21->56 58 Modifies the context of a thread in another process (thread injection) 21->58 60 2 other signatures 21->60 24 chrome.exe 21->24         started        26 firefox.exe 21->26         started        process13 process14 28 WerFault.exe 4 24->28         started       
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.21 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2025-09-06 02:28:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
392ec2e0db217dc665b13c2e73b00d0ca2dc3b7f8a47eedf9a715d613e57a464
MD5 hash:
cc79c483bd82e767f895902437d25710
SHA1 hash:
ec891537902cfc46dfd4c23f523fb0cfd0bfb729
SH256 hash:
28e94d2a3c7318cbce7330487274ad0577b1b40c9c1b6ab56d66837d7ac09489
MD5 hash:
1dbd21e2463c6ba220bc98590d3d2c41
SHA1 hash:
556e233fea47684552f610e968f63e7a2b451ddc
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
e50b0550616c4ea9dc2d18d75084f50e6e7da2ccaa2c77a439026957105aad8f
MD5 hash:
540148a4209d7e2b88d0e24b919c2834
SHA1 hash:
5a2042f9c9946e57d02d0d4e9a1ba2c5b1246a1e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
0b7cdf9dbe6f165393c87acaad5aa65e6882b9d5c54550ef3c597737e0ad32ff
MD5 hash:
7e4ca1b335ac6a61c1477a46e04dbaad
SHA1 hash:
a2ca1a9641a0ddc668c93f5f89eac2b67ecd0f8e
SH256 hash:
4a6dff6b96cfe65bbcf689dacf26d62aa5f582a5c62c5772e1dcd8d97a444f57
MD5 hash:
3dd86b822301a8d6374ad1c7ed969d66
SHA1 hash:
3383b3170854c6c805cb96f9b0428f32e476957f
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
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.

Malspam

Formbook

Executable exe 392ec2e0db217dc665b13c2e73b00d0ca2dc3b7f8a47eedf9a715d613e57a464

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments