MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb. 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: 17


Intelligence 17 IOCs YARA 18 File information Comments
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SHA256 hash: eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
SHA3-384 hash: 08874d11bca4333302d27fbe0e89045011867694c798df2edae276278d49ebc4a171e652abebb7bcbc4b8f484946c3cd
SHA1 hash: 3e4fe2f29722803551c31fe38aa04d97ec9150e7
MD5 hash: 90d93d073d92e1cd47f4d792f430bbbc
humanhash: artist-social-comet-moon
File name:eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
Download: download sample
Signature Formbook
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File size:587'264 bytes
First seen:2024-05-08 13:24:53 UTC
Last seen:2024-05-08 14:16:55 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:rccadOGEW1ivxTRRSXyXQjDYq7C+5bLTTrBGZKGYC1DrJh6xjfHBB778Q6:IWGEW16TRRSKcAGbzrB4SC1DrJ0ZJB
TLSH T1DAC4231465DC9320C8368FBB1E22890F4BB681E399E8CEB68CE567DF4D50B952441FE7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 13:28:17 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/519a2fe5-e154-45ed-b525-cdbdba6a9353

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.9.16640.13097.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/663b7d409dc4dda9c0e5326b/reports/e87e4e09-0c6c-467d-a03e-2c092dc3f0ae/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9b1b9eab-4f27-4543-bb59-c44f8fece178
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438300
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
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: 1438300 Sample: rM1kScMU7d.exe Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 34 www.washing-machine-46612.bond 2->34 36 www.sogracefully.net 2->36 38 3 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 13 other signatures 2->48 11 rM1kScMU7d.exe 4 2->11         started        signatures3 process4 signatures5 52 Writes to foreign memory regions 11->52 54 Allocates memory in foreign processes 11->54 56 Adds a directory exclusion to Windows Defender 11->56 58 Injects a PE file into a foreign processes 11->58 14 RegSvcs.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 74 2 other signatures 14->74 19 explorer.exe 72 7 14->19 injected 72 Loading BitLocker PowerShell Module 17->72 23 WmiPrvSE.exe 17->23         started        25 conhost.exe 17->25         started        process8 dnsIp9 40 matrixtech.biz 67.225.137.57, 49717, 80 LIQUIDWEBUS United States 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 27 colorcpl.exe 19->27         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-05-01 12:59:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=53baic3ebznrqbqrtynefdkuytnlr7uh4kx6rflq2fmjnajc4s5q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:fs83 execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240508-qnyssshb28/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Unpacked files
SH256 hash:
139f75b55ff904e5ccbc51d61c61de935274c66cfa38d9cb859461ea2216bd81
MD5 hash:
cdf453020c11d01891a06da4b1ec17d3
SHA1 hash:
27f91c5c7afdc57847d17f8274ce3b3ba96bbf8b
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/1d48051b-10b2-4ca1-9811-328c1ef25180/
Parent samples :
8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a
37fd7b8035bd49b8dfad405a793428dda8cbf623de0133818756d05a1191d8b7
e1fd783c3c5c3a686b2ae04b64ecce2b3c5e00d2bed04cdbf8f420a57d82208e
3fce144519b73bde4b30740ced6678a0aebcfcf00c7ff2ed6f78034cd5900f56
331ca91b3a643aab796547bdd69ecd624ab13ac224ea80f88ca4a8987c0625e3
eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
SH256 hash:
caa728be0f558a6b63e31e0e3538c919d5eab5d3a059bad0a84c2a9e3c1ea400
MD5 hash:
0177de74ab7e293aff8a31002c90ebec
SHA1 hash:
f977f1962fb9e716da482e9f5c964138aa9726e7
Link:
https://www.unpac.me/results/1d48051b-10b2-4ca1-9811-328c1ef25180/
SH256 hash:
68306cd3eb56cad593b064eb979579e03c6607cb7032d9ede149c3ce52116c8d
MD5 hash:
d4898710516fccb96594b090fc492ad3
SHA1 hash:
a4e32d80380801c08f78243a30f3c979bfdfbd9d
Link:
https://www.unpac.me/results/1d48051b-10b2-4ca1-9811-328c1ef25180/
SH256 hash:
242e54651935f30e797edb3a04d86972e22e54c19be6640e81b3c85252a92379
MD5 hash:
f54c59d2e8696cb307abec2289bd67ee
SHA1 hash:
4adde0777dfd8e09934e9af0d28c3a00054fd9ea
Link:
https://www.unpac.me/results/1d48051b-10b2-4ca1-9811-328c1ef25180/
SH256 hash:
eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb
MD5 hash:
90d93d073d92e1cd47f4d792f430bbbc
SHA1 hash:
3e4fe2f29722803551c31fe38aa04d97ec9150e7
Link:
https://www.unpac.me/results/1d48051b-10b2-4ca1-9811-328c1ef25180/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eec2040b640e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb

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
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
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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

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