MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823. 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 22 File information Comments
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SHA256 hash: e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823
SHA3-384 hash: f1a831f6380895b9072821fdfa17b7b5285c8f9bf3804e762befe95e7aaa36a318f1f13fb422eb28b9020eb12bdf9b39
SHA1 hash: 2f6f2f78db12779a33a55e45881e0c2153b9c411
MD5 hash: eda5836ae8925c04aff0a91d9dd58a3c
humanhash: oranges-lactose-blossom-diet
File name:Halkbank_Ekstre_20240613_075839_278831.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:924'160 bytes
First seen:2024-06-13 10:11:39 UTC
Last seen:2024-06-13 10:29:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:sNmyC5T2GSfiqJ1871z7ByfCgd3wM4LyZsVAo:t392Df1b3Rewo
TLSH T1EE1502053BB43F46EAF98BF9692152009374602E187FE3255D85A1EB5DB3F108F62B0B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823.exe
Verdict:
Malicious activity
Analysis date:
2024-06-13 10:36:16 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/50d7ca74-e886-4588-9a12-fdaaa4ecb60c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.22074.21599.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666ac699da262547655efc79win7simulatehigh_evasion
Tags:
Banker Encryption Execution Swotter Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/666ac601eae3878d8f397115/reports/07a628ea-576e-4381-b45d-107d3f972757/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CLB trojan
Link:
https://www.hybrid-analysis.com/sample/e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2de99880-cc2a-442a-b204-7a903023aa25
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1456503
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1456503 Sample: Halkbank_Ekstre_20240613_07... Startdate: 13/06/2024 Architecture: WINDOWS Score: 100 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected FormBook 2->28 30 5 other signatures 2->30 7 Halkbank_Ekstre_20240613_075839_278831.exe 4 2->7         started        process3 file4 22 Halkbank_Ekstre_20...5839_278831.exe.log, ASCII 7->22 dropped 32 Adds a directory exclusion to Windows Defender 7->32 34 Injects a PE file into a foreign processes 7->34 11 powershell.exe 23 7->11         started        14 Halkbank_Ekstre_20240613_075839_278831.exe 7->14         started        signatures5 process6 signatures7 36 Loading BitLocker PowerShell Module 11->36 16 WmiPrvSE.exe 11->16         started        18 conhost.exe 11->18         started        20 WerFault.exe 19 16 14->20         started        process8
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-06-13 10:12:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kqtqydjekogutyv3dhkftvk7yf2dj5uka5k22p5nzc5tibhtarq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/240613-l8kdpathqa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/59f510d2-5ade-41b4-af99-64f6ff4f79bb
Unpacked files
SH256 hash:
96c49b0ad68816ff9ce98c8c3351f63ff991534c1248ecd2746c7bafbf451522
MD5 hash:
499bd4f4cd521499e04be302a84975d9
SHA1 hash:
9c5d3d018bf5c0ccac52d2068bad6176a79015fb
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
SH256 hash:
cfd04f9cb635a2832a31340e9d74eb6fb32164fc120992aa7ab69d97891ce61d
MD5 hash:
98a2ed5a5e7fec71e3e3e9ae4e209adc
SHA1 hash:
6b69e57e1fc9dcc797b97c7030306558dc8c021c
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
SH256 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
1feba65bd2aa62dc3cad4b386b25e5a5922cfaaa4f0c1aecff536bf10f54dc12
MD5 hash:
21ca6aa79257797cfcf81faf284a9f89
SHA1 hash:
bb55c21f04bd9a0d6fbd40f7129ec68344bd524e
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
SH256 hash:
5d72aa5e1d2754f0379186d6a4bf11c866091bcac93e95823a46c0c0bd169652
MD5 hash:
33e87066b74ecc49c753ae6b13b047fd
SHA1 hash:
0bb51e37d585e475c78b39fd719cec11a8bf9d25
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
SH256 hash:
e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823
MD5 hash:
eda5836ae8925c04aff0a91d9dd58a3c
SHA1 hash:
2f6f2f78db12779a33a55e45881e0c2153b9c411
Link:
https://www.unpac.me/results/f8556841-7aa7-4ee9-9ed1-8a5bd010bf79/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e2a138606922/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/e2a1386069229c6a4f15d8cea2ceaafe0ba1a7b4503aad69fd6e45d9a0279823

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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

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