MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657. 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: ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
SHA3-384 hash: 3aac05cd70a2844aa22bc0dda8b12916c15bdf9c116593bc6d8cdf27549a32fc89414979454773a3ddec1dec86c6903a
SHA1 hash: 2b1030c6daba94e4c849523d417a2a02eb2d342b
MD5 hash: 3d680bae4987c65237ff5191316eb984
humanhash: wyoming-seventeen-beryllium-colorado
File name:PO11534.bat.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:657'408 bytes
First seen:2024-10-21 16:20:51 UTC
Last seen:2024-10-21 17:38:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KxCkhMOoltiJ76q2GRIUoeQYVHFpkYdDVlz3tVnrW+EhBv7:MCkh5oDiJVRI3kTPi+WB
Threatray 2'004 similar samples on MalwareBazaar
TLSH T1DAE412423BFC1F16D63D9FFA56B0456103F2616AA492F20D2DC224EF8A72B454A31F5B
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
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
447
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO11534.bat.exe
Verdict:
Suspicious activity
Analysis date:
2024-10-21 16:22:07 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/98cd9463-d11d-419c-b778-f95af8c49bc0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.20566.13078.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67167f755a02f8393c72c824
Tags:
Powershell Exploit Spawn 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
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected phishing vbnet
Link:
https://www.filescan.io/uploads/67167f74551363d3cb7c2212/reports/7d762c55-0e16-4e1f-b833-550644103e8d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
Result
Verdict:
UNKNOWN
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/c993f760-164d-4558-ad1d-ff869096bd7d
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1538749
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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 dropped file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Reads the DNS cache
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
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1538749 Sample: PO11534.bat.exe Startdate: 21/10/2024 Architecture: WINDOWS Score: 100 67 www.siabgc4d.online 2->67 69 www.oftware-download-69354.bond 2->69 71 4 other IPs or domains 2->71 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Sigma detected: Scheduled temp file as task from temp location 2->89 91 9 other signatures 2->91 11 PO11534.bat.exe 7 2->11         started        15 BaYOcnEVLf.exe 5 2->15         started        signatures3 process4 file5 59 C:\Users\user\AppData\...\BaYOcnEVLf.exe, PE32 11->59 dropped 61 C:\Users\...\BaYOcnEVLf.exe:Zone.Identifier, ASCII 11->61 dropped 63 C:\Users\user\AppData\Local\...\tmp4C53.tmp, XML 11->63 dropped 65 C:\Users\user\AppData\...\PO11534.bat.exe.log, ASCII 11->65 dropped 105 Uses schtasks.exe or at.exe to add and modify task schedules 11->105 107 Writes to foreign memory regions 11->107 109 Allocates memory in foreign processes 11->109 111 Adds a directory exclusion to Windows Defender 11->111 17 RegSvcs.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        113 Multi AV Scanner detection for dropped file 15->113 115 Machine Learning detection for dropped file 15->115 117 Injects a PE file into a foreign processes 15->117 26 RegSvcs.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 83 2 other signatures 17->83 30 explorer.exe 29 1 17->30 injected 79 Loading BitLocker PowerShell Module 20->79 33 conhost.exe 20->33         started        35 conhost.exe 22->35         started        37 WmiPrvSE.exe 22->37         started        39 conhost.exe 24->39         started        81 Found direct / indirect Syscall (likely to bypass EDR) 26->81 41 conhost.exe 28->41         started        process9 signatures10 119 Uses ipconfig to lookup or modify the Windows network settings 30->119 43 ipconfig.exe 30->43         started        46 cmmon32.exe 30->46         started        48 WerFault.exe 30->48         started        50 WerFault.exe 33->50         started        process11 signatures12 95 Modifies the context of a thread in another process (thread injection) 43->95 97 Reads the DNS cache 43->97 99 Maps a DLL or memory area into another process 43->99 101 Switches to a custom stack to bypass stack traces 43->101 52 explorer.exe 43->52         started        55 cmd.exe 43->55         started        103 Tries to detect virtualization through RDTSC time measurements 46->103 process13 signatures14 93 Query firmware table information (likely to detect VMs) 52->93 57 conhost.exe 55->57         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-10-21 16:20:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rwaw2fnoi572ex74bilfebrrxu7kdhkvqj2t6kihvbkmma2yzlq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13
Formbook
8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912
Formbook
a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
Formbook
a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
Formbook
e1902171c2bba8b0280e747ec2457209c1b32bf899d85f241c2993fdcba1ac31
Formbook
error
Formbook
f30297ce3c8bc97f49286ee0c14b241d6653a2e992de11213aa25a296ab485cd
Formbook
+ 1'994 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cu29 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241021-ttmt9syerb/
Behaviour
Gathers network information
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fd29d3ff-2db0-483a-8dd1-5867c5d08457
Unpacked files
SH256 hash:
9c64915d0a649bb2641dc89b7c1573bd9d49b8acf602769fe87b88e4268fcc36
MD5 hash:
2461709698d52f14ceda2c3086579224
SHA1 hash:
16f282e37f25dd43a699052d9bd23bf33bd55a43
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
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/4cbfee8b-dbba-434a-b6e1-98254acfe13e/
Parent samples :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 hash:
c497f739b2d2f97c0686eb577c1ed9082d158e1244611945dbc039e60967b22f
MD5 hash:
553cc893cd0a6c64e9fd55eae1728da5
SHA1 hash:
da6237a5038718d6723610fefdbae2b51dcf7874
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/4cbfee8b-dbba-434a-b6e1-98254acfe13e/
SH256 hash:
4cd6c11429610324296e0e2051ab13a099af39b609f77e4b3a361a9495ca7b34
MD5 hash:
349e761a1327259cdce128e845505b0b
SHA1 hash:
99bd9945a209ada20920592b848bf571100d7e12
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4cbfee8b-dbba-434a-b6e1-98254acfe13e/
Parent samples :
ae26ace2f3bcb3c94a3a8af4a6684da129aa08d73c18a5311d7491d006b20042
f73021002ed86b0c0025a8b7384b5e122ae3df8db0b9dd4fa2d85b09f85cf32d
17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13
3a259b8cfd64e2e3086299d3038714dbbf4c41dcbb81b222c6b0e5ab979f75d3
173fa94e725abc88acf0d848bdee94d216a3c74b4492e006405c357824fab818
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912
fb3f91e5f61d4bb67dbe8b15407b651435a11a2030518d68dbbc18edf1aec539
ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
2544c1b36ef1f8bb0400a83f1356a45b0976e7cf9b25941f0cbb872dbb5ba7df
3fb18a9617cf2bb47955b8a9fb5402910dae6c463908f9598eb6851d74fefa1f
9ee9ae311878a9fc88d891aeb7282d9633a90bb4f3a8688216fa3e12e4f33bbd
3e3d796025df4a863c3f4220bfacbe1fce38f67318524891218180857200ecb2
ad2f3629f617763f45abc1be39c4a28f581ca8d0efb97e3bde2ad33106714c85
ee843bcf3bcd091101e9d641670be54dd9c3a2733ad3e248c29eb7e2a667c1d4
a7c07d958dc83b5b3f0f0d5675b93eeced5edaaae7079b218c52a393e2a1b102
80a98cf22ecb8a4904bd619d065c52ec7f4e44c14419a66dfe705c13395520eb
8bb48532070b3a86b87cd98b6981ace04da99995834908ba467408aaa7f33892
e56ff8270b42a7f5cae82ae48e8bf448b70fc1314b0a3d9619bd2b86f5409f39
782ff6293982503e46c9380cc156cc9ef12dd7d89d277b73a900cfe0c58ca10d
2a53872f573a1817be1848779e60c7db22501badc0afd7f364ee30a77dce3395
3ba352819c7abd6700100363b3f63e070549433564bd7636cdd0cf53b6356dc2
d7a245d4f45e341ea312785531a56a9d2b3822587f611e828ec8e58a1fe0380c
5942a6b4e4e062693a6a5ac7b8f1205ebfc6e010964e19503909ea31c12fcd76
65c21e028a8843007236d14d01d3c7eaa4a94547d106347c6eac84ac30e1fc76
36ed24fd100db4ab36461303fcadf2101c391f95e635fb33f0fa396204e642ab
c015ba3cf24ba3b9a60b53b0f36fcf3368296c4951967ce63b3e6a6cfb3e7472
288c3ef10338b99d38a344433451dbb2aadcdc323e656670dae29d9cff5e1313
8e410f45c665e8e5d2e5e690b37e232a596d3c975842a61fd9acf6f46161d7ca
02253d28e37b943a2d0dbbb8e3a1b53f61d63016e6e12c2ba7f5eb2d5da348b8
4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e
3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09
a715e212c1face115bffc6edd614c2fc311339ab07c3ecabe35922dfb8be7b44
2518788f855f3dd62be94e01361e96373b1a6d7b86f48e72d3bb899589200f09
04a71f87d4223328a0dbef5085168ff3710b488b68bca528de391d706e01cd5a
5da381b368562b2c5d9fce29e229c640ea428b3d4519562613f987235bc611b8
8eedf9b52ee1d568c848fbb5c15b0f20bebd0433919b7890f24a6ae61cf9a8ff
4d445668e5286453beb4948cd988771658e6579e1bda2b1ce812c4a58e371380
SH256 hash:
ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
MD5 hash:
3d680bae4987c65237ff5191316eb984
SHA1 hash:
2b1030c6daba94e4c849523d417a2a02eb2d342b
Link:
https://www.unpac.me/results/4cbfee8b-dbba-434a-b6e1-98254acfe13e/
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/ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657

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: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.

Malspam

Formbook

Executable exe ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657

(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 (HIGH_ENTROPY_VA)high

Comments