MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6a0ee3459a41918aedc9dc305eb06e8781da0e48bc44a8528913e038b482026. 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 6 File information Comments

SHA256 hash: f6a0ee3459a41918aedc9dc305eb06e8781da0e48bc44a8528913e038b482026
SHA3-384 hash: e184c191b9c22aae927f6ba62b5585f607a37fd85b30912a965f4c6ebb7d1b5a9acade52034b1c443542f4b9021ad3ec
SHA1 hash: 02aac34615fde27bad020aa64c546a2274472e2d
MD5 hash: 7d00a702361fd1b03bec048723ece92b
humanhash: kentucky-connecticut-october-failed
File name:PURCHASE INVOICE.exe
Download: download sample
Signature Formbook
File size:798'728 bytes
First seen:2025-06-10 12:54:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:qi/Y1aO2Q9vyiFWd462qeoI6ZpMnrZgifAXObl4u94LKDXuVUBkR:Y1p2Q9BGGqeohMndNYXzLKtc
TLSH T11305010827A99A16E5F60FB52A65C17103B27ECEB913D31B8FD16CDB3D627414A0B31B
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 James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
472
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RE_ PURCHASE INVOICE.eml
Verdict:
Malicious activity
Analysis date:
2025-06-10 07:09:40 UTC
Tags:
attachments attc-arch arch-exec formbook stealer xloader netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
injection virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
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)
Uses threadpools to delay analysis
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711000 Sample: PURCHASE INVOICE.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 36 www.voxedrip.xyz 2->36 38 www.valleycopilots.xyz 2->38 40 24 other IPs or domains 2->40 48 Suricata IDS alerts for network traffic 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected FormBook 2->52 56 5 other signatures 2->56 10 PURCHASE INVOICE.exe 3 2->10         started        signatures3 54 Performs DNS queries to domains with low reputation 38->54 process4 file5 34 C:\Users\user\...\PURCHASE INVOICE.exe.log, ASCII 10->34 dropped 60 Writes to foreign memory regions 10->60 62 Allocates memory in foreign processes 10->62 64 Injects a PE file into a foreign processes 10->64 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Queues an APC in another process (thread injection) 14->78 80 Found direct / indirect Syscall (likely to bypass EDR) 14->80 19 RAVCpl64.exe 14->19 injected 22 U3UTVQF0NYt.exe 14->22 injected 25 Yi0osufbhqA.exe 14->25 injected 27 9 other processes 14->27 process9 dnsIp10 58 Found direct / indirect Syscall (likely to bypass EDR) 19->58 29 dxdiag.exe 13 19->29         started        42 rentnt.xyz 15.197.148.33, 49723, 49724, 49725 TANDEMUS United States 22->42 44 www.voxedrip.xyz 209.74.77.107, 49719, 49720, 49721 MULTIBAND-NEWHOPEUS United States 22->44 46 7 other IPs or domains 22->46 signatures11 process12 signatures13 66 Tries to steal Mail credentials (via file / registry access) 29->66 68 Tries to harvest and steal browser information (history, passwords, etc) 29->68 70 Modifies the context of a thread in another process (thread injection) 29->70 72 2 other signatures 29->72 32 firefox.exe 29->32         started        process14
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-06-10 06:52:15 UTC
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 formbook
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
f6a0ee3459a41918aedc9dc305eb06e8781da0e48bc44a8528913e038b482026
MD5 hash:
7d00a702361fd1b03bec048723ece92b
SHA1 hash:
02aac34615fde27bad020aa64c546a2274472e2d
SH256 hash:
24e5e78158e637313b1bb387017fc98c46ced099cf52e53ccdca24c386df1272
MD5 hash:
db78e88700ebc8530c064bba72c06989
SHA1 hash:
a7567e9dfaf82c4b82438b5550dda05d0cce1312
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
576a483ca1b9cdc5cb3ee010c2b5a2b179b80151d6eaa8bee07efeb2e735aadc
MD5 hash:
0d687aad2a7b379760e6fb9438bfd18d
SHA1 hash:
ba941cda3d71bbea003f3534bf26894a5f001e1d
SH256 hash:
7ea05e7e80ad21cd16f40132473e50183bb88bdba8e871611ee18e03890dfe7e
MD5 hash:
715ae16d4de14fbbc61182484b53b050
SHA1 hash:
5c27c31b7a5a35ea14a12ef753c41517488bafd5
Detections:
win_formbook_g0
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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.

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