MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
SHA3-384 hash: 200e9cd68c87e96268f3a83a92f993aea58068c70e9d9fb65d05636e534cd28350db7db4d47283f5e320f35ffaf08d25
SHA1 hash: 1740d4342923f2bef21936af92e2381b58ab6993
MD5 hash: e975f8c51ed731735835c13c150d3a03
humanhash: vegan-georgia-lemon-missouri
File name:SOA IN JUNE USD90865.00.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:723'968 bytes
First seen:2024-07-31 08:22:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:p7HSDzsiQEsnXP785zl6lclC75YbfPGl8kurytPmUDvYkz0lj:p7HSDD5sXHlcBal8kuryZfEw0l
Threatray 3'126 similar samples on MalwareBazaar
TLSH T14DF4F1132FB87B41C56897F35A64264C477AAD1E3CF0D24B5D8EB1DAE2B2B401A12F47
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SOA IN JUNE USD90865.00.exe
Verdict:
Malicious activity
Analysis date:
2024-07-31 08:30:23 UTC
Tags:
netreactor formbook stealer xloader
Link:
https://app.any.run/tasks/07275578-e3b9-4fd5-851d-4d3e669feacd

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=66a9f46ec06bd32e596e9336
Tags:
Execution Generic Network Static Stealth 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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi packed vbnet
Link:
https://www.filescan.io/uploads/66a9f47278d5c73fb1c9d578/reports/2b13cf56-cc8b-46b1-8394-b42c54525596/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58ff327a-e15e-42d2-83c3-adb3e0e84783
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1485229
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1485229 Sample: SOA IN JUNE USD90865.00.exe Startdate: 31/07/2024 Architecture: WINDOWS Score: 100 61 www.virtualeventsbyelaine.com 2->61 63 www.tworiverlabsintake.com 2->63 65 16 other IPs or domains 2->65 85 Multi AV Scanner detection for domain / URL 2->85 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 14 other signatures 2->91 11 SOA IN JUNE USD90865.00.exe 7 2->11         started        15 HUuXEi.exe 5 2->15         started        signatures3 process4 file5 53 C:\Users\user\AppData\Roaming\HUuXEi.exe, PE32 11->53 dropped 55 C:\Users\user\...\HUuXEi.exe:Zone.Identifier, ASCII 11->55 dropped 57 C:\Users\user\AppData\Local\...\tmp5167.tmp, XML 11->57 dropped 59 C:\Users\...\SOA IN JUNE USD90865.00.exe.log, ASCII 11->59 dropped 93 Adds a directory exclusion to Windows Defender 11->93 95 Injects a PE file into a foreign processes 11->95 17 SOA IN JUNE USD90865.00.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        97 Multi AV Scanner detection for dropped file 15->97 99 Machine Learning detection for dropped file 15->99 101 Tries to detect virtualization through RDTSC time measurements 15->101 103 Switches to a custom stack to bypass stack traces 15->103 26 HUuXEi.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 17->73 75 Maps a DLL or memory area into another process 17->75 77 Sample uses process hollowing technique 17->77 79 Queues an APC in another process (thread injection) 17->79 30 explorer.exe 86 1 17->30 injected 81 Loading BitLocker PowerShell Module 20->81 34 WmiPrvSE.exe 20->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        83 Found direct / indirect Syscall (likely to bypass EDR) 26->83 42 conhost.exe 28->42         started        process9 dnsIp10 67 www.llmsearchoptimization.com 172.67.139.29, 49718, 80 CLOUDFLARENETUS United States 30->67 69 tworiverlabsintake.com 3.33.130.190, 49720, 49726, 80 AMAZONEXPANSIONGB United States 30->69 71 4 other IPs or domains 30->71 113 System process connects to network (likely due to code injection or exploit) 30->113 44 raserver.exe 30->44         started        47 cmstp.exe 30->47         started        signatures11 process12 signatures13 105 Modifies the context of a thread in another process (thread injection) 44->105 107 Maps a DLL or memory area into another process 44->107 109 Tries to detect virtualization through RDTSC time measurements 44->109 111 Switches to a custom stack to bypass stack traces 44->111 49 cmd.exe 44->49         started        process14 process15 51 conhost.exe 49->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-07-08 13:36:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulcaynvnqlrhwtntlszvqahg7tkcrgbugs43wenvabpjfm2txkwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b
Formbook
5fe6c1b9d059a989012a070bb99d17899afaeb8f0fbd9141aeef5edce413b7c2
Formbook
e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1
Formbook
eaffc7cc6da06f5894642bb88fff4a0186cf61100558af3cb552145f86d8e041
Formbook
f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe
Formbook
f8a6d38a7a548a8621059aaaa87265c7c8d164b0f8eac7f6c0f7e4ec201de4a2
Formbook
+ 3'116 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:na10 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240731-j95pxavhql/
Behaviour
Gathers network information
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/24542297-8e10-4ede-8325-f668d586040e
Unpacked files
SH256 hash:
1295bd6ca829494652e8300b69aef29665c2d1f7189c12cf0cc87afb506f68c5
MD5 hash:
2cbaa21deb4daf8aa7e69a7ac04a9273
SHA1 hash:
1b3eda3014237407c927fcb7ff0f58f1c35ee2bc
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/00943eac-1e84-4647-a344-24e71375c685/
Parent samples :
148da9a63f027b2e7625f0b82b42bc795737b55c46d040af508fdcea2bccad98
15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
2a899ee00e6f2b09c002a3dc271e3ec7d15a7c98b8a3d9500f96dfd7fe941f4a
84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997
a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
a95b0c1b827bdd6ee8bd88cf53606903570c96bca33fe9215ab64b09d1641533
SH256 hash:
94359debe1462bde835aeba36dc85165afc70db05887a94f49e60d54ae4f0124
MD5 hash:
04f84d7ed29563f24066adbbd4d91144
SHA1 hash:
cea4adad2b579b6e82b4e1a4b36ebc4b1f370a3b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/00943eac-1e84-4647-a344-24e71375c685/
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
Link:
https://www.unpac.me/results/00943eac-1e84-4647-a344-24e71375c685/
SH256 hash:
a06003132a24176362cd8f0d3eea6bd61d539a416c3e1a6f3ccf4e07ab38374d
MD5 hash:
1bef6b9304b947ca9f239500a44aad5e
SHA1 hash:
0c133bea6f7b4708456e7d6bc2d3383a15ff6b9c
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/00943eac-1e84-4647-a344-24e71375c685/
SH256 hash:
a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
MD5 hash:
e975f8c51ed731735835c13c150d3a03
SHA1 hash:
1740d4342923f2bef21936af92e2381b58ab6993
Link:
https://www.unpac.me/results/00943eac-1e84-4647-a344-24e71375c685/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

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 (HIGH_ENTROPY_VA)high

Comments