MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441
SHA3-384 hash: 050ba563e6d04e254433b3621762c7d0b7d36bbf4660c39191745c2d3f45cc1b8ea4a8c7ccea2d332ed3a2d7c6039f19
SHA1 hash: d053ec705cdf1f9ef888a4d30752ae633b067b05
MD5 hash: 2fc68659f96a559e9e8942f9794a2301
humanhash: thirteen-finch-iowa-hot
File name:Order 501 & 502.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:747'008 bytes
First seen:2025-04-02 06:24:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:V3AFs1hSFlsxsz9MakAYXuza/1VSA9cJBvCrxwZqRH3JgekRjCMK2KF9/XCJ7S:5QaK2sz9MJACuzgSATNwEHZsKF
TLSH T160F412AC2B0AC907C99C83B40A71F6B9176C5EECA811D7175FFD6EEBB576B040D05182
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
dhash icon 00100072b0001000 (5 x SnakeKeylogger, 3 x MassLogger, 2 x Formbook)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
497
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Order 501 & 502.exe
Verdict:
Malicious activity
Analysis date:
2025-04-02 06:26:13 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/db9f4878-d629-422a-a46d-0e309ddc3da1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.13969.31974.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ecdbb9855e5ec5240c1273
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1adaaf87-b44e-429f-b08d-927210c19d97
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1654262
Signature
.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)
Initial sample is a PE file and has a suspicious name
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1654262 Sample: Order 501 & 502.exe Startdate: 02/04/2025 Architecture: WINDOWS Score: 100 30 www.xxxvideosbox.xyz 2->30 32 www.globedesign.xyz 2->32 34 14 other IPs or domains 2->34 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 52 5 other signatures 2->52 10 Order 501 & 502.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 file5 28 C:\Users\user\...\Order 501 & 502.exe.log, ASCII 10->28 dropped 13 Order 501 & 502.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 9QRm3HLMuFdQbGg8H2iYE9p.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 Utilman.exe 13 16->19         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 22 9QRm3HLMuFdQbGg8H2iYE9p.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 36 www.xxxvideosbox.xyz 91.216.220.20, 49728, 80 OLIMPKZ-NETKZ Kazakhstan 22->36 38 031234912.xyz 144.76.229.203, 49735, 49737, 49738 HETZNER-ASDE Germany 22->38 40 8 other IPs or domains 22->40 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 signatures14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-04-01 21:48:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvz3znvnebtpdlawqt2pmpyeijjxdri5inbrpcyd4ouac745wraq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250402-g6r9asvqv5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/76189b2c-6d13-476e-9056-461b4d272950
Unpacked files
SH256 hash:
bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441
MD5 hash:
2fc68659f96a559e9e8942f9794a2301
SHA1 hash:
d053ec705cdf1f9ef888a4d30752ae633b067b05
Link:
https://www.unpac.me/results/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
SH256 hash:
4133ed4aeae29c29a7418b9436c053b60f2ea0839439a976b59a5363709e68d5
MD5 hash:
5efde2b247de91c3cdebf62e5be315b8
SHA1 hash:
007a741e896b47eeaf90454751b6ee828ab3f872
Link:
https://www.unpac.me/results/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
SH256 hash:
05f9ce752a29c05fc70056515513815fb518bd01246a735c7cc1bc0f40c9b089
MD5 hash:
960cd878150977a125941f6caa794ca0
SHA1 hash:
85508296a194593bea688321e9c203a7a561088e
Link:
https://www.unpac.me/results/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
SH256 hash:
d014c8b4992bd2279f331d2bd6a231dc8141d79b92a5d04ddb32a92461e5978d
MD5 hash:
f3be895019ddb5dbfe0426ba74d06c01
SHA1 hash:
d010d4d14f0d3205268ca7a1af36f70b130ece86
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/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
SH256 hash:
4ddcb8901f95c52a2f8806da5c82f89e2d3ee184a2741c6e5fa09084287bf8cb
MD5 hash:
cffd7ae4e826d08c197cad5a369bdc0f
SHA1 hash:
a7808a1fe4db25a786ea9305c3bdfa9c5f4e30eb
Link:
https://www.unpac.me/results/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
SH256 hash:
90d616f27e9459f4e28b9a0a107a0ad72fec5f7f2c87dca6c61b2601722f071c
MD5 hash:
64679daf5e38fbaaf42a902a584ddd98
SHA1 hash:
962f3d9a223ff69163469b9b3123c0b556c71779
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1d69043f-3873-4ed2-9270-a9ddb1b9b5d3/
Parent samples :
bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441
4f8641371c70db217c573c922367c68f799e0e31a62e99404a59015b47baa67a
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bd73bcb6ad20/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Malspam

Formbook

Executable exe bd73bcb6ad2066f1ac1684f4f63f04425371c51d4343178b03e3a8017f9db441

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37/

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