MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
SHA3-384 hash: 19f18962c726d631c88782d6f4f06e9fcadb4ec1d5d1cff05bc6a233a11d043c22f0b5964370ebe268f7fafb79276680
SHA1 hash: bfe63d151587e92a6e7db7f21ca8d24307738d9f
MD5 hash: 30857e9f8f30b449ffc46de9cb6f7b97
humanhash: three-fix-quiet-diet
File name:a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
Download: download sample
Signature Formbook
Create hunting rule
File size:933'384 bytes
First seen:2025-03-10 12:01:12 UTC
Last seen:2025-03-10 13:10:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YdOWKmoeoyT2+gGVu1/TmiNz6Upzgeac1setYpZYjbGlQsJ92jSfopesVYHWAA3u:WPoed69Niezse2npJIzMOYHu3CnWQL
Threatray 79 similar samples on MalwareBazaar
TLSH T13B15F16C9B88CC12CD6E93BC06A0E1B5273C5DE6D546DB0B2ACDACFF7D523554A18283
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 0068694969797400 (7 x MassLogger, 5 x VIPKeylogger, 4 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
330
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
Verdict:
Malicious activity
Analysis date:
2025-03-10 17:22:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e39ba5b1-beb1-4f8f-aedb-4bb2d836dd51

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cede681f777fe306089cdb
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated packed packed packer_detected signed stealer vbnet
Link:
https://www.filescan.io/uploads/67ced4ca4a3011c802cc24ff/reports/4c978d12-1e6e-44e9-952c-aac81f152451/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
Result
Verdict:
MALICIOUS
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:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38e592f4-77d8-4f68-a6b2-a285fef0dcc1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1634623
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634623 Sample: opFn60QGfv.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 56 www.pagproseso.xyz 2->56 58 www.ouetea.info 2->58 60 4 other IPs or domains 2->60 72 Suricata IDS alerts for network traffic 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 Multi AV Scanner detection for submitted file 2->76 80 5 other signatures 2->80 10 opFn60QGfv.exe 7 2->10         started        14 TtsPyegYpC.exe 5 2->14         started        signatures3 78 Performs DNS queries to domains with low reputation 56->78 process4 file5 48 C:\Users\user\AppData\...\TtsPyegYpC.exe, PE32 10->48 dropped 50 C:\Users\...\TtsPyegYpC.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmpB4D3.tmp, XML 10->52 dropped 54 C:\Users\user\AppData\...\opFn60QGfv.exe.log, ASCII 10->54 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Writes to foreign memory regions 10->84 86 Allocates memory in foreign processes 10->86 88 Adds a directory exclusion to Windows Defender 10->88 16 RegSvcs.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        23 schtasks.exe 1 10->23         started        90 Multi AV Scanner detection for dropped file 14->90 92 Injects a PE file into a foreign processes 14->92 25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        signatures6 process7 signatures8 68 Maps a DLL or memory area into another process 16->68 29 NT5G2TbjFT.exe 16->29 injected 70 Loading BitLocker PowerShell Module 19->70 33 WmiPrvSE.exe 19->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        process9 dnsIp10 62 pixelplace.shop 190.92.174.28, 49711, 49712, 49713 DesarrollosDigitalesdePulsarConsultingAR Argentina 29->62 64 www.pagproseso.xyz 13.248.169.48, 49702, 49704, 49705 AMAZON-02US United States 29->64 66 2 other IPs or domains 29->66 102 Found direct / indirect Syscall (likely to bypass EDR) 29->102 43 PATHPING.EXE 13 29->43         started        signatures11 process12 signatures13 94 Tries to steal Mail credentials (via file / registry access) 43->94 96 Tries to harvest and steal browser information (history, passwords, etc) 43->96 98 Modifies the context of a thread in another process (thread injection) 43->98 100 2 other signatures 43->100 46 firefox.exe 43->46         started        process14
Score:
38%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 09:40:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=urpml6ysq7xwcpeb2lhzkc6oxdnljv6h65jsiso6ncxhpjyybhva._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1a01e147bc86387dc236a73c89f10f251cd3f7d006f44cceb755e9231e5c3b68
Formbook
3dfd6a18e81bb4edcd59cf466115dc0a1edffe7bdac4bd093e0c74e61c2a720e
Formbook
7c1edf69f6a8d72fd30fd41b68f1b5d27162b61212e1e7d82ced75de5ad8b6a5
Formbook
9e073e86d0a4fe62e813b9d44075b23a82fcb7713c7b5cc9d3b05e93d870ff41
Formbook
error
Formbook
ff2e992d45f7b88a9aa14314360f6d771ddbcc22d2b9321091a3b3b0b55866fd
Formbook
+ 69 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250310-n62lastxcz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/77aa4235-04d7-4480-a7b3-fb4b3ac3a548
Unpacked files
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/a35d1984-51bb-4323-93d4-bb279a9660ba/
SH256 hash:
9d91d9cefcfe92ac9bbc9e8767b0975b044f3e43671181d019fffbfc98203439
MD5 hash:
131b523a6562a5703045da7773e1dfc3
SHA1 hash:
a05927467fc491da737838a2b5fc8b2fd0ed5def
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/a35d1984-51bb-4323-93d4-bb279a9660ba/
SH256 hash:
802b04f2b5c820f15989b100a4b5e7a99ac56b2a3f01f2341f562a0d880d1134
MD5 hash:
fa96121e50b2ae16f872c49b429059c8
SHA1 hash:
ac0c9af30c310423f4dcb77037e2568a2c3c8387
Link:
https://www.unpac.me/results/a35d1984-51bb-4323-93d4-bb279a9660ba/
SH256 hash:
0133555a1ce359c7e270a93f490642f1da71b851d3cde9d8fdf3a7d146730c27
MD5 hash:
b1d3bc655ca0b511c0292b026ab8d020
SHA1 hash:
8fbadaed4f00d185478135b7203af9ca7cbc893e
Link:
https://www.unpac.me/results/a35d1984-51bb-4323-93d4-bb279a9660ba/
SH256 hash:
a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea
MD5 hash:
30857e9f8f30b449ffc46de9cb6f7b97
SHA1 hash:
bfe63d151587e92a6e7db7f21ca8d24307738d9f
Link:
https://www.unpac.me/results/a35d1984-51bb-4323-93d4-bb279a9660ba/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a45ec5fb1287/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/a45ec5fb1287ef613c81d2cf950bceb8dab4d7c7f7532449de68ae77a71809ea

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
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

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