MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e. 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: ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
SHA3-384 hash: 421c98386a4ff129202869bedefdee315de5668f45914c9dc95b174086f436f771379b222a7dc2e0c5447019869c9b24
SHA1 hash: 3b7817e51d87e41418418dec773f9be61966fa25
MD5 hash: 3ecf2de83da8d6515ad2fcc829808824
humanhash: september-glucose-asparagus-victor
File name:SecuriteInfo.com.Win32.MalwareX-gen.11258.22191
Download: download sample
Signature Formbook
Create hunting rule
File size:822'784 bytes
First seen:2025-02-24 13:18:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'632 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:sNL8D6YeXY/e1oiaNaSpM3trLVKS09tQOBOJkOYy9MIYExDII:Q2iaNHitrZKS0LfmfYy9MIYwDII
TLSH T11F05DF041398CA0AD53B577859B4C1724FB96E6EF962D31A4EE4BCEB3EB67005E52303
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 :
1
# of downloads :
48
Origin country :
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e.zip
Verdict:
Suspicious activity
Analysis date:
2025-02-24 13:32:37 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/56f83797-d60d-4850-96b9-604336169b95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.11258.22191.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bc71d2a0fd713c335ca05f
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/67bc71a13afc3763bec3d387/reports/d0289759-9745-4734-bad6-9dd6b892dbf2/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3cf1d57-4a70-4bf3-8c01-013f75732526
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1622745
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/ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 11:07:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vut37gcfixsiqlixhmh7ghyoxc6rznizgzmmrif52eu7j5fwmb7a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i62s discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250224-qj37qatry5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8725df1e-c522-4881-b48f-ed3351526424
Unpacked files
SH256 hash:
ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
MD5 hash:
3ecf2de83da8d6515ad2fcc829808824
SHA1 hash:
3b7817e51d87e41418418dec773f9be61966fa25
Link:
https://www.unpac.me/results/d9214e8b-0655-4972-b537-a0d48e620e20/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/d9214e8b-0655-4972-b537-a0d48e620e20/
SH256 hash:
fb39f87ca2a4b37234e70ba0c5549bc122d8fe4293e6283674cc800d1335d781
MD5 hash:
a9aad21e939443ba0fe832543567bd85
SHA1 hash:
1610cac299c429bfd205b1c43738963466a1e9c0
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/d9214e8b-0655-4972-b537-a0d48e620e20/
SH256 hash:
ebaaed27b4824f75954081c97a7b5a24dd2a1c908d8159bdf87c8b367fd714ff
MD5 hash:
a048b9dd4a2e301e0edf4928c737a24c
SHA1 hash:
8fc397a1b50cac63953b2296b840a95d9a4ce365
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
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win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/d9214e8b-0655-4972-b537-a0d48e620e20/
Parent samples :
a99557a845d8d3d6a2f5d4ee8f51baf5b19960ddb827f1668598942737b8952c
498abceba59d18a6f83bf57dae6cefa9d79de97fc98b73a828640554f8879f10
c53617ff657a785641f0ba07fb40f487eeb6cda98a7edd7e5320afb804d1b4fa
ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e
3905a3dc4fb6f3ec78e34ca229a8c245bc7640f042598576635e37ed011e4484
3332610eab9693c63aece8922d85a64e32a6dcf9847f73270ca4cc3136c48968
eb466ca2ee59c8b6cbc104ef8b42ecda98ac1ca14eb2cd2ced5d6f6b8e8d3ab4
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad27bf984545/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/ad27bf984545e4882d173b0ff31f0eb8bd1cb5193658c8a0bdd129f4f4b6607e

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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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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