MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375
SHA3-384 hash: ac50e83b236d352e0a116e5ba1589bbc478414c1bc7e7205abb01483004f2055680fef6af9aad9b9500f1b3ed4bdca14
SHA1 hash: 0d6d6e478462af02bb54957a3c2b1760d1d3d462
MD5 hash: 7336ce3ed0cafc3728cac0e7ab056872
humanhash: five-fish-potato-winter
File name:Invoice 1425004091.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:734'720 bytes
First seen:2025-03-17 09:41:27 UTC
Last seen:2025-03-17 10:35:35 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:+PYLi18th0WvREE2CBstfYECbF3ztzfwaJ5Mz2CJhKTGJoOvMswg414YEoTLMFzX:+PEiuh0LEwlYEitUm22CyJg4E4L
Threatray 40 similar samples on MalwareBazaar
TLSH T1E8F40154A6AA8423EEB217B40931F6741376ADB9F411D3CA8ECDBDD734823523B1439B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
424
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation for your inquiry (694 KB).msg
Verdict:
Suspicious activity
Analysis date:
2025-03-17 06:42:08 UTC
Tags:
arch-exec attachments attc-arch
Link:
https://app.any.run/tasks/aee34a92-b9ad-455d-a557-7a055af21a98

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d800d83962f1a6f4724a51
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67d7ee7cb03273ba99711896/reports/2b985e19-f424-4d91-8d27-26bfffadbadc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a912c52c-16b4-4cfe-8e61-9bced618dd66
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1640450
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
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1640450 Sample: Invoice 1425004091.exe Startdate: 17/03/2025 Architecture: WINDOWS Score: 100 31 www.tether1.xyz 2->31 33 www.bawiin.xyz 2->33 35 15 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 4 other signatures 2->53 10 Invoice 1425004091.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 29 C:\Users\user\...\Invoice 1425004091.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 Invoice 1425004091.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 VSYBJyfGvx9hmVCehuRluIy.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 dxdiag.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 VSYBJyfGvx9hmVCehuRluIy.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.tether1.xyz 188.114.97.3, 49725, 49726, 49727 CLOUDFLARENETUS European Union 23->37 39 9889.bodis.com 199.59.243.228, 49713, 49714, 49715 BODIS-NJUS United States 23->39 41 5 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-17 04:54:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pgpcubbgx3vpysihi2cr3cmszulj5we4hvbeirm7kmnj6t5hen2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
03723f94dee063bbbcd8fe02e71ad5459805f10429b39956c5d7e05ab3068b7e
Formbook
1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
Formbook
26448f1e910a4e7de44f7fd93fe2cc5850d915d120fe9a6a4c9a3c2f63bc83f3
Formbook
730dcaa50239c82c3d920f812bcad23a638a09c783479097291f8a6d9bca07a7
Formbook
799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375
Formbook
cd4b98de3dacf06e429593bfc098f96fd9d03fa9c6a95e1ab5a7f4a93b04d29a
Formbook
error
Formbook
f54d38c602d64dc36e00201f688132f39ef2b4cd94a1511cad05c2fd8ded6475
Formbook
+ 30 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250317-lpcvhawycv/
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/d1085c40-455a-499e-81f1-05e350d943dd
Unpacked files
SH256 hash:
799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375
MD5 hash:
7336ce3ed0cafc3728cac0e7ab056872
SHA1 hash:
0d6d6e478462af02bb54957a3c2b1760d1d3d462
Link:
https://www.unpac.me/results/843bbaf7-18b4-4bfd-bbae-e3903993aff8/
SH256 hash:
f60a24b92fae48f6a753e23756e81bc20d4e9ab0ef8ca2c4c1719e5b521bcfe6
MD5 hash:
7b42e6fe0c33a4479d04426e14ce41c5
SHA1 hash:
0ef906c70ecfd6b3b50fa9d7e4824a6bfc12de22
Link:
https://www.unpac.me/results/843bbaf7-18b4-4bfd-bbae-e3903993aff8/
SH256 hash:
094a2002272a6a5c1a719550f4ce12f25f397689796f090ad26991cf60698c46
MD5 hash:
a92790e0ffd6d83c3e036197e9eb7092
SHA1 hash:
192c8ab285101b240de22931e4fc96907f134c99
Link:
https://www.unpac.me/results/843bbaf7-18b4-4bfd-bbae-e3903993aff8/
SH256 hash:
718812c0950896888cadf46112822570c57d07477756b5831d35fd3b7dca3646
MD5 hash:
11f0e81295cc241ed1c5ea1d90ed4d12
SHA1 hash:
fe8c6ced4378e3857cb270de3f9aa6bf8695a0a1
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/843bbaf7-18b4-4bfd-bbae-e3903993aff8/
SH256 hash:
d76299ac4307254b3d8a911de5cdc1327ce058b7e549a3a59a38c7dc5d356c99
MD5 hash:
d2f7fd75271a8278a045559f91efa939
SHA1 hash:
77c6a7eff1ac67cb21a08fc0ef82cf2f94ebecde
Link:
https://www.unpac.me/results/843bbaf7-18b4-4bfd-bbae-e3903993aff8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/799e2a0426be/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375

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:pe_imphash
Create hunting rule
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 799e2a0426beeafc490746851d8992cd169ed89c3d4244459f531a9f4fa72375

(this sample)

  
Delivery method
Distributed via e-mail attachment

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