MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93. 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: 19


Intelligence 19 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
SHA3-384 hash: bbf54bd4b76d4de4f0b7a35053c994d6cf7cd41369bdd339211d0f3774e45c937ef9f0709136f5d41b3417cf676dd75d
SHA1 hash: ba91b94100ec0b7350e8cbfe42879fa8032eca7b
MD5 hash: a23f608230a404028b541bcfce9a6704
humanhash: maryland-yellow-chicken-nebraska
File name:SOA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:598'024 bytes
First seen:2024-09-30 08:55:19 UTC
Last seen:2024-09-30 09:00:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:08XO0aNADvB4s44IwaA7jt2wFHrItx6AD0OaaMLi27IKhgIm3YMnkR:0LyBDqYtnFHcl4OvMwdNYMy
TLSH T188D4128DE6687F53D5BE87FA846188215BF2E9AB7715C26B0CC5A0CE4D467F448C8383
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)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
398
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
5.exe
Verdict:
Malicious activity
Analysis date:
2024-09-27 15:23:16 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/29bf1402-f18d-42e9-94a6-4a10a3bd2f9a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-10036417-0
Create hunting rule

Win.Packed.Msilzilla-10036453-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f6cde279032805ce8e82b5
Tags:
Powershell Micro Tori
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Launching a process
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/66fa67a688188863f38cc07d/reports/05b9fd61-d846-41a6-9ddb-5c3672514ac7/overview
Verdict:
Malicious
Labled as:
Trojan.GenericFCA.Agent
Link:
https://www.hybrid-analysis.com/sample/5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14647f72-f77c-49a2-b5ba-4e99254e277b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1522557
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1522557 Sample: SOA.exe Startdate: 30/09/2024 Architecture: WINDOWS Score: 100 37 www.j9u9.xyz 2->37 39 www.venir-bienne.info 2->39 41 10 other IPs or domains 2->41 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 53 11 other signatures 2->53 11 SOA.exe 4 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 37->51 process4 file5 35 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 11->35 dropped 57 Adds a directory exclusion to Windows Defender 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Switches to a custom stack to bypass stack traces 11->61 15 SOA.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 79 2 other signatures 15->79 20 explorer.exe 103 1 15->20 injected 77 Loading BitLocker PowerShell Module 18->77 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 43 www.1385.net 103.59.102.59, 49719, 80 CLOUDIE-AS-APCloudieLimitedHK China 20->43 55 System process connects to network (likely due to code injection or exploit) 20->55 28 colorcpl.exe 20->28         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 69 Switches to a custom stack to bypass stack traces 28->69 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-27 10:32:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6e5o6pxv74vjmimswvzfsc4pb6cl5ftjd2d3oljw4gfgkphjojq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c24t discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240930-kv1yva1cjc/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/3a2487d5-af36-4c83-a5aa-d7b9e1bc0481
Unpacked files
SH256 hash:
40babe4601da80b05397c6f203e270862747ea19ac9970dc59b3cf0df1d1fb87
MD5 hash:
a361843a96b935377a3e65f049fc50f3
SHA1 hash:
cf3cbeb8e1f17859cb0c08c655a0b23f89bc0cdd
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
Link:
https://www.unpac.me/results/82967c4b-1105-474d-adb4-fcd9ec42c038/
Parent samples :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 hash:
9d568ef7618f0347d22d649cf9c9cbac314be0554983e3a1359f69f7cce1a657
MD5 hash:
1f65c48098ce7297a3b45ee9459f2cb1
SHA1 hash:
82071576e7b56c8593d225e74c0ba3c5254606fa
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/82967c4b-1105-474d-adb4-fcd9ec42c038/
Parent samples :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 hash:
1137cccfe2407e9189a9c66cb565af0f782c0e1c36e3c41f1b2895682f8d6bf5
MD5 hash:
b9e513a2000569012484783a2fa0294f
SHA1 hash:
063a3deef231478112d566c91af4cf8627344d8b
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/82967c4b-1105-474d-adb4-fcd9ec42c038/
SH256 hash:
5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
MD5 hash:
a23f608230a404028b541bcfce9a6704
SHA1 hash:
ba91b94100ec0b7350e8cbfe42879fa8032eca7b
Link:
https://www.unpac.me/results/82967c4b-1105-474d-adb4-fcd9ec42c038/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5789d779f7af/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/5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93

(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