MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa. 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
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SHA256 hash: c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
SHA3-384 hash: 05618874f32a2551f3b4d6c58d25513142ea5236d2283e41af14481abc4df3ab3eebb3c27a980fade4457a84c3480355
SHA1 hash: 3c339032ba2b703e6ac5a826f859c5722820c636
MD5 hash: de106c2cf7c2fd2850dd192adc8d9c88
humanhash: colorado-shade-johnny-zulu
File name:SecuriteInfo.com.Win32.MalwareX-gen.2900.26548
Download: download sample
Signature Formbook
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File size:824'832 bytes
First seen:2025-02-24 10:32:47 UTC
Last seen:2025-03-03 09:51:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:oNLqIL6YeXY/e1fyedVBqdXin85/tZAnkuPYUHxUGt9el5WMjBFY:31XnqZi85lCkgYUHKGOlcMw
TLSH T1B905D0051398CA1AD13B2BB868B4C1314FB97E6EF922D3165ED4ACE73EB67009D52347
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
40
Origin country :
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.2900.26548.UNOFFICIAL
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Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bc4aeb28ab76d43a5cd8c8
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67bc4aef60f4b4f0724b7fbb/reports/f67cf922-cbac-457b-9270-09a4bfdcd434/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/42583b2f-597c-4555-83f3-2a0d519897eb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1622641
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa/
Threat name:
ByteCode-MSIL.Trojan.Remcos
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Status:
Malicious
First seen:
2025-02-24 09:04:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yu3bp73fpj4fmqpqxid7wqhuq7xlntnjrj7n27stecx3qbgrwt5a._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:i62s discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250224-mlltnsxmy3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7af05fa1-9290-40f8-b329-1feea56a0817
Unpacked files
SH256 hash:
c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
MD5 hash:
de106c2cf7c2fd2850dd192adc8d9c88
SHA1 hash:
3c339032ba2b703e6ac5a826f859c5722820c636
Link:
https://www.unpac.me/results/b622cd53-c0b1-4290-afe7-0754a93cde04/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/b622cd53-c0b1-4290-afe7-0754a93cde04/
SH256 hash:
d57b51df2cc8be516985b3618bd99663663faa758444b47c2cee6158f3c01805
MD5 hash:
c77dfdac31080dcd1445b2ef2e6b99e8
SHA1 hash:
98c10a3c48bc59dc251b397273c13a7f28676b5e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
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SUSP_OBF_NET_Reactor_Indicators_Jan24
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Link:
https://www.unpac.me/results/b622cd53-c0b1-4290-afe7-0754a93cde04/
SH256 hash:
ebaaed27b4824f75954081c97a7b5a24dd2a1c908d8159bdf87c8b367fd714ff
MD5 hash:
a048b9dd4a2e301e0edf4928c737a24c
SHA1 hash:
8fc397a1b50cac63953b2296b840a95d9a4ce365
Detections:
win_formbook_w0
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win_formbook_g0
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win_formbook_auto
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FormBook
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Windows_Trojan_Formbook
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Formbook
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Link:
https://www.unpac.me/results/b622cd53-c0b1-4290-afe7-0754a93cde04/
Parent samples :
a99557a845d8d3d6a2f5d4ee8f51baf5b19960ddb827f1668598942737b8952c
498abceba59d18a6f83bf57dae6cefa9d79de97fc98b73a828640554f8879f10
c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
3905a3dc4fb6f3ec78e34ca229a8c245bc7640f042598576635e37ed011e4484
3332610eab9693c63aece8922d85a64e32a6dcf9847f73270ca4cc3136c48968
eb466ca2ee59c8b6cbc104ef8b42ecda98ac1ca14eb2cd2ced5d6f6b8e8d3ab4
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c53617ff657a/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/c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa

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:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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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 (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

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