MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
SHA3-384 hash: 7e16f65f49df6d75ae6105088511b0f69e51d35c5e610da1177d48be2c315ec128233a74f7cd6f9d1f99165a6de0f0cf
SHA1 hash: 1140afdfff2c8094fb70a813bfde3a071df65d6b
MD5 hash: 5af9f0c5fc7621952ad927717edfa2c4
humanhash: uncle-nine-carpet-violet
File name:PAYMENT SLIP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:706'048 bytes
First seen:2025-03-18 09:36:27 UTC
Last seen:2025-03-18 10:29:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:VBTNPINJP83fiz4O7VKHLTPbZBoeKP+obtXlndfM4bksK16bTSiPkaEZb:bNPO83UR2DbZBVKP+IfMqv5nHJ
Threatray 21 similar samples on MalwareBazaar
TLSH T1FBE422B8C319CD76CD950B780632F3B197255E6CF419DBA38BC9ACE7784A3213422AC5
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 886443434b83cbe2 (17 x AgentTesla, 7 x Formbook, 4 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
539
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT SLIP.exe
Verdict:
No threats detected
Analysis date:
2025-03-18 09:41:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/805b76bf-6081-462b-8b83-90bf52fa44f1

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=67d94c26194f23322a70b172
Tags:
virus micro
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67d93ec8d2c4beeae9275d5b/reports/a1642655-d79d-4c9b-839c-08b3140724c9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
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/5d18b400-4cb8-46f9-87c4-852c6869b255
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1641532
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
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1641532 Sample: PAYMENT SLIP.exe Startdate: 18/03/2025 Architecture: WINDOWS Score: 100 30 www.yenigercek.xyz 2->30 32 www.pembawa.xyz 2->32 34 16 other IPs or domains 2->34 44 Suricata IDS alerts for network traffic 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 52 5 other signatures 2->52 10 PAYMENT SLIP.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 file5 28 C:\Users\user\...\PAYMENT SLIP.exe.log, ASCII 10->28 dropped 13 PAYMENT SLIP.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 d8sPtrM3TFprEo33uilCf.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 wextract.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 d8sPtrM3TFprEo33uilCf.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 36 fplus.football 84.32.84.32, 49752, 49753, 49754 NTT-LT-ASLT Lithuania 22->36 38 www.apeone.top 209.74.79.41, 49736, 49737, 49738 MULTIBAND-NEWHOPEUS United States 22->38 40 8 other IPs or domains 22->40 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-18 09:03:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnf65qpbfv4x7gzgtnz5ohlfmfjy75c4kaxu4z7j3e2xwn4gzpvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0f80664eab928b00af7f8e585da7b3089f6091eac16b8d15ed710773db1def3b
Formbook
415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86
Formbook
4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
Formbook
4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad
Formbook
75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb
Formbook
98a11f5e0943f5a8e0475b4c7d87b5f67a1d39f7c44e564d86df4ebd687686f8
Formbook
error
Formbook
+ 11 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250318-lljtmsspw3/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/060bb4f1-7609-4550-b2f3-ad54e9ace65b
Unpacked files
SH256 hash:
4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
MD5 hash:
5af9f0c5fc7621952ad927717edfa2c4
SHA1 hash:
1140afdfff2c8094fb70a813bfde3a071df65d6b
Link:
https://www.unpac.me/results/c9594032-8d98-420c-8c75-fd0f8ed4edf7/
SH256 hash:
f842476d74838d1b27e538f3f864788a1cacb924e43f82b4a54308c7224ee146
MD5 hash:
be1c72385dc471ed6a7f8b60bfbd649e
SHA1 hash:
0e02a1e1033150e1592ad05e3e93bd95ccf76702
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/c9594032-8d98-420c-8c75-fd0f8ed4edf7/
Parent samples :
b81f074c11d54ccc1947cbe1c42fbbb9cbc338c7bbd18d7ca2e6903755d3126f
3d0f6fd7bc98088001e550fed82caa73063fbbde486dbb933b40db23741674dd
c822084a8f1aa34346264bea15d6af68a8c1bd85a3eb2a80b5cd00085da29f24
4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb
e5ee0f86a7365463f8a0bdd3591624c214c8db88abf861d06d1fbd342a6fbfd1
SH256 hash:
08c5b38a22906ab8bd4cbe75aa97e3703e2b79e1c29bfdd5ae48f253bb2e4943
MD5 hash:
37ed86bac456adabd2208a02e6cb38c7
SHA1 hash:
17a52df058af412269e567279b8c9f93ac16be74
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/c9594032-8d98-420c-8c75-fd0f8ed4edf7/
SH256 hash:
54ac3f49919c072984e40653aaf56f04cb014685ad7d7fa63cee1f7dee9d9c45
MD5 hash:
afeb9e67064fb74b74b7cb5220a85473
SHA1 hash:
2102607023979ae8742caa34d43a1981f77f6aa8
Link:
https://www.unpac.me/results/c9594032-8d98-420c-8c75-fd0f8ed4edf7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b4beec1e12d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb

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: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 4b4beec1e12d797f9b269b73d71d6561538ff45c502f4e67e9d9357b3786cbeb

(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