MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004
SHA3-384 hash: 22c6fee70eed6848fba61637f647fa4d8da28e838635b2f0e29e9f1d1455e4f7fd3ee3bb77e654cb01c7371c598d0522
SHA1 hash: 94c4edfbfd04a28b236d3ff9d34eb67aa2b8808d
MD5 hash: 3f146681bb8794e68df74e4c4ce4f6ec
humanhash: uranus-butter-robin-island
File name:Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:797'696 bytes
First seen:2025-02-03 06:36:27 UTC
Last seen:2025-02-03 08:21:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:QY82lVswecl9NvHHgmh0o7UNGfiMh6gRb/c/DEMMw4q+Mk3AvotH2nTqIsZ913p/:gweangGEN3MAUEI4v+N3UUHKsZYT
Threatray 13 similar samples on MalwareBazaar
TLSH T1CD05E1C83B79A306DD6559309935EDB452BD2DA8B000F9E36EDD3B4B79E92109E0CF06
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
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
471
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.exe
Verdict:
No threats detected
Analysis date:
2025-02-03 06:50:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9d368226-b6f4-4e30-99f6-09b3c0f88048

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.241.26040.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a0641b51193558eb1925b6
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a06419d5f62a1c6292edc6/reports/f4a22063-5c58-4f0a-ac2a-5d540f7b429d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/751cb056-dce6-4283-a5d5-c3d19b7d1adb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1605352
Signature
.NET source code contains potential unpacker
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
Machine Learning detection for 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: 1605352 Sample: Payment Advice.exe Startdate: 03/02/2025 Architecture: WINDOWS Score: 100 34 www.031234990.xyz 2->34 36 www.physicsbrain.xyz 2->36 38 13 other IPs or domains 2->38 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 5 other signatures 2->54 10 Payment Advice.exe 3 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 36->52 process4 file5 32 C:\Users\user\...\Payment Advice.exe.log, ASCII 10->32 dropped 13 Payment Advice.exe 10->13         started        16 Payment Advice.exe 10->16         started        18 Payment Advice.exe 10->18         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 20 7Waw00XpzM2J.exe 13->20 injected process8 signatures9 56 Found direct / indirect Syscall (likely to bypass EDR) 20->56 23 secinit.exe 13 20->23         started        process10 signatures11 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 3 other signatures 23->64 26 7Waw00XpzM2J.exe 23->26 injected 30 firefox.exe 23->30         started        process12 dnsIp13 40 031234990.xyz 144.76.229.203, 50019, 50020, 50021 HETZNER-ASDE Germany 26->40 42 www.corellia.pro 217.160.0.90, 50010, 50011, 50012 ONEANDONE-ASBrauerstrasse48DE Germany 26->42 44 7 other IPs or domains 26->44 66 Found direct / indirect Syscall (likely to bypass EDR) 26->66 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-03 04:18:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zwamjf6tjrrod3qyldmx732fbuzgnazqrsvpwsua6qoupphuaca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
340ed59c2911d06aeeebed6de544b2cc1f34001b67c5f4c7625293c824063377
Formbook
3f10f75515a32ec9323968445a2fde8654aeeaace593e01c8beb20f7df16adba
Formbook
9adf8e4161aa2134181c832f10e84dc7ef2fd5dd845b24b240b394f5d376a066
Formbook
d24759c2da85654f95e71923c3b6a4ed23aee296e4fd70f436ee3bfa190647c4
Formbook
de879af66bc51849ddf6e07f859a44c2c3fb7dd0707e3b6848901235bbea2db2
Formbook
e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44
Formbook
error
Formbook
+ 3 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250203-hdkt7atkdv/
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/ecb39a08-f6d7-4f0b-9c78-ac639d49b3a3
Unpacked files
SH256 hash:
f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004
MD5 hash:
3f146681bb8794e68df74e4c4ce4f6ec
SHA1 hash:
94c4edfbfd04a28b236d3ff9d34eb67aa2b8808d
Link:
https://www.unpac.me/results/d0c44dd0-3d20-4d78-ba18-a4c2e78190f4/
SH256 hash:
1778896d1f7c70593fe9211c53cdd360792a559e029a41e6ab8215825ec00461
MD5 hash:
5190a78ed84249615ea486006f6de3fe
SHA1 hash:
4567075f25bf380933e4177b752761815a04e1e3
Link:
https://www.unpac.me/results/d0c44dd0-3d20-4d78-ba18-a4c2e78190f4/
SH256 hash:
79040b08e7e28c44fc0b496ce37ba3c7fa59251e9b637157aaa415542416b700
MD5 hash:
e58dde1c7507998747d9c6dadec1db65
SHA1 hash:
70457558608aa029f0e69af7c86920ec75237a4a
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/d0c44dd0-3d20-4d78-ba18-a4c2e78190f4/
SH256 hash:
e8044f63acd1c3c9fddb084d2b58532119d2a69951fac1501d7cd05d8ba1df5d
MD5 hash:
edeca737824c0165209878705bc1438d
SHA1 hash:
953afa000960ed6635fd003f2748cf71cad6351b
Link:
https://www.unpac.me/results/d0c44dd0-3d20-4d78-ba18-a4c2e78190f4/
SH256 hash:
fef13db230d52659fe41660c66f9200b7355035ed3dae63d7bf60ebfb28d739b
MD5 hash:
e53517b4abf530330e218e2f099afa65
SHA1 hash:
875d6361a4c0fb31b7cbf26cbf3d7249c8b0b32a
Link:
https://www.unpac.me/results/d0c44dd0-3d20-4d78-ba18-a4c2e78190f4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f66c0624be9a/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/f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004

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

zip f6ac9f17810d638e1e762197bb8701e8649def26623f4be91084c415cac0d22b

Formbook

Executable exe f66c0624be9a63170f70c2c6cbff7a2869933419846557da5407a0ea3de7a004

(this sample)

  
Dropped by
SHA256 f6ac9f17810d638e1e762197bb8701e8649def26623f4be91084c415cac0d22b
  
Dropped by
MD5 543429ae0c6169101c0150ce23fc1f1f

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