MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560
SHA3-384 hash: 387423294babb32012989ee92dff109ebf8c05385ff677620793139e589319f0690c82b51391507d66bf6d099ac5d1b0
SHA1 hash: c86648a79951efbfcd8074a79cde863cde0e4c6b
MD5 hash: aee4803f11bc0f523561fae84e2b1449
humanhash: blue-tennessee-white-oxygen
File name:Purchase Order_#1009123.exe
Download: download sample
Signature Formbook
File size:1'088'512 bytes
First seen:2026-01-14 07:02:38 UTC
Last seen:2026-01-14 20:23:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:1VtPpRtMjSqkH62Q7KJ8FbG7kMsvgCxG/SJlYiLv+:17pR2SjqiVSG/
TLSH T1A535122FBA537E12CC5C0E7BD123545882F58463E712F39A46CD28F51DBBB848D8A693
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
128
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Malware family:
n/a
ID:
1
File name:
_172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560.exe
Verdict:
No threats detected
Analysis date:
2026-01-14 07:03:35 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt masquerade obfuscated obfuscated packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-13T23:44:00Z UTC
Last seen:
2026-01-15T01:44:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb UDS:DangerousObject.Multi.Generic Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen Backdoor.Agent.HTTP.C&C VHO:Trojan-PSW.MSIL.Agent.gen
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1850416 Sample: Purchase Order_#1009123.exe Startdate: 14/01/2026 Architecture: WINDOWS Score: 100 34 www.030056474.xyz 2->34 36 www.030053641.xyz 2->36 38 11 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 5 other signatures 2->54 11 Purchase Order_#1009123.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 36->52 process4 file5 32 C:\Users\...\Purchase Order_#1009123.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 Purchase Order_#1009123.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 rYI0eOpYukkLk.exe 15->18 injected process9 process10 20 RMActivate_ssp.exe 13 18->20         started        signatures11 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Modifies the context of a thread in another process (thread injection) 20->60 62 4 other signatures 20->62 23 7GWoSUz3CHg5.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 www.kilora.site 203.161.48.133, 49702, 49703, 49704 VNPT-AS-VNVNPTCorpVN Malaysia 23->40 42 guardoftheyear.com 15.197.225.128, 49698, 49699, 49700 TANDEMUS United States 23->42 44 7 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.45 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-01-14 04:38:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560
MD5 hash:
aee4803f11bc0f523561fae84e2b1449
SHA1 hash:
c86648a79951efbfcd8074a79cde863cde0e4c6b
SH256 hash:
0c623b66879a33ba105f104723d30cdea73e3353bb1a44199173511dc6a310e4
MD5 hash:
a7003fe65bcdb0a412e299f7839ac9dd
SHA1 hash:
18846420158fa41d116b01bd3dbafb0ab1a7276b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
a3e024c31f2e746235a1016f16ae20a362e55327cbb4128ffb2371f158100fe7
MD5 hash:
34ac4f1ab6a20267c73266dd259709aa
SHA1 hash:
b0b7cfb295a7210400d4ecdbf91242b2f2843a50
SH256 hash:
d2dec054a1f518ba595fb89155a21f184d786b527728b1e718bc4379299550e6
MD5 hash:
6ba2d6516fa229246864f863b1ee1048
SHA1 hash:
8a7d7636289c892911b0b54272d01e38203df4f4
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments