MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d. 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 6 File information Comments
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SHA256 hash: cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
SHA3-384 hash: c92d774b445cf72070b99200ee0769c3147f6fded1fe997139ff40bc090166a6c4f4687acef0d82767bf1f87bdeffa3e
SHA1 hash: 7623027c3bf6394176e98784b598d711698d5350
MD5 hash: 88295402509cd6179f6366109ddfc576
humanhash: floor-earth-may-twenty
File name:BOM-V29--20240618 Overdue.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:713'448 bytes
First seen:2024-09-03 07:55:25 UTC
Last seen:2024-09-10 12:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:cGZKzvuLBKYvI8yuQoa5afqsEO6KcMQ6y+j45cBrx+qaxI58lRWPxHvMCDtHC4+e:JLOPu1LDEO6K9FDl+qkI5+WpHkCDt4a7
Threatray 1'539 similar samples on MalwareBazaar
TLSH T1B8E402682A58E913C99057B54BB1F2B91B3C6EDDB802E30B5FDC6EEF7D26B504D04242
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
File icon (PE):PE icon
dhash icon 0b0b0b556d732b23 (3 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
02092024135702092024BOMV2920240618Overdue.rar
Verdict:
No threats detected
Analysis date:
2024-09-02 16:27:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/44f183c6-599e-49c7-8531-8f4ef66a4bc0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.37.4878.28873.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d5a10aad7abf2db5cfd713
Tags:
Encryption Execution Network Static Stealth Swotter
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:
overlay packed
Link:
https://www.filescan.io/uploads/66d6c114727c915a27f519e0/reports/b3b2f446-2f4f-440f-ae5e-e453a4ef5428/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
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/dea0bfd9-f7ed-4b35-9cd9-f9eb66364997
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1503283
Signature
.NET source code contains potential unpacker
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
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
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1503283 Sample: BOM-V29--20240618 Overdue.exe Startdate: 03/09/2024 Architecture: WINDOWS Score: 100 35 www.iriblog.xyz 2->35 37 www.ocfamilyto.llc 2->37 39 4 other IPs or domains 2->39 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 49 12 other signatures 2->49 11 BOM-V29--20240618 Overdue.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 file5 33 C:\...\BOM-V29--20240618 Overdue.exe.log, ASCII 11->33 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Injects a PE file into a foreign processes 11->61 15 BOM-V29--20240618 Overdue.exe 11->15         started        18 powershell.exe 23 11->18         started        20 BOM-V29--20240618 Overdue.exe 11->20         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 71 2 other signatures 15->71 22 explorer.exe 38 1 15->22 injected 69 Loading BitLocker PowerShell Module 18->69 24 conhost.exe 18->24         started        process9 process10 26 mstsc.exe 22->26         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-09-02 07:05:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zpecjsgn6lbfwk2of5brmpzuemxmxxwtrdd6bqhqdrjlizl6r56q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
129156f77f3dca373d74c668a7e4250e0812fb36bdb926aeb2ef0dec4c122846
Formbook
1ac77b641f98af7d2d5f052af2721c8154b8c922be31ea7914ea76bd8c6d17c1
Formbook
206f17d8a641d884bba4bf29413d8c11ececdc220a22777455b23f1cad77dd9d
Formbook
8140718075fb3cf55e098f68fa8dfc75022a22fb658611503880b4c0c674d71f
Formbook
c8500adf5318aa42e5cfe9d6efe18d328538a6d8b36765d68820d2b99c3c9626
Formbook
cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
Formbook
+ 1'529 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:p25o discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240903-jspblasfje/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/99731cfb-f1cd-4a01-ade1-07a335060336
Unpacked files
SH256 hash:
c6a337cda8e343926fe808446e95b2eca8cf91fbf5fa6764c55dd2d4cbba5a9d
MD5 hash:
e7d9b2bced632aab4ffbb484b6db636c
SHA1 hash:
80e8c7903e2d572b36a787cc4a1cf5a0bf0a991d
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/e5341ae5-b2d7-4a9b-ac41-bbffc31a1a89/
Parent samples :
678004924997022281c09d32fb5aea4e95154e26f42891764628c74e2cd9a117
cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
5ae445a991d56393e514f68e235bf8e92b116fedc8cc6d17ae358b34f6873d09
86983eeb3231d8cc4eddbdec4b8b19194410f6adbee3265bbe68cd4a1ddcd161
8ed60c6c3516465b2918af6a467e3b38c3b64fa39a32ee79d1337b15e1c3ac0d
SH256 hash:
55472020f4d0fd3c9fe139c8c0d93cf38e4034d7ae6ef15e53fd1143f9ff3f0f
MD5 hash:
1f932fdd1abc7147421c0b813f27ce08
SHA1 hash:
8e43055cc10a2536332b45ce90a0cf1c47b28704
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/e5341ae5-b2d7-4a9b-ac41-bbffc31a1a89/
SH256 hash:
8f3e8fb00b864b774ba1ff591b4d2f29d04cf4fea45e179f39309b984a92093c
MD5 hash:
d0223abc16917fd6ab9a529f597cc431
SHA1 hash:
6de268dcad66b83e126c39b7cb8aaec020d64dcb
Link:
https://www.unpac.me/results/e5341ae5-b2d7-4a9b-ac41-bbffc31a1a89/
SH256 hash:
cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d
MD5 hash:
88295402509cd6179f6366109ddfc576
SHA1 hash:
7623027c3bf6394176e98784b598d711698d5350
Link:
https://www.unpac.me/results/e5341ae5-b2d7-4a9b-ac41-bbffc31a1a89/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cbc824c8cdf2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d

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: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: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

rar add7248ca082a7fd942f2d8f4c8518aa56beb5e68411b709ca40d2665869eb45

Formbook

Executable exe cbc824c8cdf2c25b2b4e2f43163f34232ecbded388c7e0c0f01c52b4657e8f7d

(this sample)

  
Dropped by
SHA256 add7248ca082a7fd942f2d8f4c8518aa56beb5e68411b709ca40d2665869eb45
  
Dropped by
MD5 ee20427a27946c8557b7aa4e64c0dccf

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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