MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments 1
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SHA256 hash: 29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983
SHA3-384 hash: 3624668119a41bc2ac98bfd324a794c3d0963f3b9e6bebefb8ae669bb256d1bd1967a455f629acb8789fb85dff3fdd0a
SHA1 hash: dd15ad1758739f26239709b0fc4cab872a7c86e6
MD5 hash: e746086f470668fe6cfc3da407fdd032
humanhash: fifteen-oxygen-illinois-three
File name:e746086f470668fe6cfc3da407fdd032
Download: download sample
Signature Formbook
Create hunting rule
File size:705'024 bytes
First seen:2023-11-13 17:29:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:cWOTNXc3RounBAFnSS2/5hDiE+Xd3OWsN8/uOC5Ix8L+DLXsX9CpCB2:73auBqSSSrDTm3WerC5W8ssf2
TLSH T13BE401682BE44A06F6BE4BFDE470904457B5F122A52BF35D85A420FD2CB7790C822B77
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 54b2f0d4ccccf010 (6 x Formbook, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
340
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.xls
Verdict:
Malicious activity
Analysis date:
2023-11-13 16:44:23 UTC
Tags:
phishing phishing-pdf phishing-xls opendir exploit cve-2017-11882 loader formbook xloader stealer spyware
Link:
https://app.any.run/tasks/125d3c61-e27b-4f35-beed-7a31b97e2428

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458403/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.10883.10688.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed remote
Link:
https://www.filescan.io/uploads/65525d213dd412119bfab291/reports/81c82270-659d-40b5-bad6-bab0073ee275/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983
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/c52db5ed-090a-41e4-bc02-0456928088b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341884
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341884 Sample: wM34vVyJ6k.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 66 www.soulguardgaming.com 2->66 68 www.natsellsatl.com 2->68 70 12 other IPs or domains 2->70 88 Snort IDS alert for network traffic 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 12 other signatures 2->94 11 wM34vVyJ6k.exe 7 2->11         started        15 CBdqwn.exe 5 2->15         started        signatures3 process4 file5 62 C:\Users\user\AppData\Roaming\CBdqwn.exe, PE32 11->62 dropped 64 C:\Users\user\AppData\Local\...\tmpFA2D.tmp, XML 11->64 dropped 106 Uses schtasks.exe or at.exe to add and modify task schedules 11->106 108 Adds a directory exclusion to Windows Defender 11->108 110 Tries to detect virtualization through RDTSC time measurements 11->110 17 wM34vVyJ6k.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        112 Antivirus detection for dropped file 15->112 114 Multi AV Scanner detection for dropped file 15->114 116 Machine Learning detection for dropped file 15->116 24 CBdqwn.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 CBdqwn.exe 15->28         started        signatures6 process7 signatures8 78 Modifies the context of a thread in another process (thread injection) 17->78 80 Maps a DLL or memory area into another process 17->80 82 Sample uses process hollowing technique 17->82 84 Queues an APC in another process (thread injection) 17->84 30 explorer.exe 5 1 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 dnsIp10 72 www.httpsaquexis.com 103.224.212.215, 49719, 49720, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 30->72 74 www.extremetechnology.shop 43.198.28.103, 49741, 49742, 80 LILLY-ASUS Japan 30->74 76 6 other IPs or domains 30->76 118 System process connects to network (likely due to code injection or exploit) 30->118 120 Uses netstat to query active network connections and open ports 30->120 40 WWAHost.exe 18 30->40         started        44 NETSTAT.EXE 30->44         started        46 autoconv.exe 30->46         started        signatures11 process12 file13 58 C:\Users\user\AppData\...\O75logrv.ini, data 40->58 dropped 60 C:\Users\user\AppData\...\O75logri.ini, data 40->60 dropped 96 Detected FormBook malware 40->96 98 Tries to steal Mail credentials (via file / registry access) 40->98 100 Tries to harvest and steal browser information (history, passwords, etc) 40->100 104 4 other signatures 40->104 48 cmd.exe 40->48         started        52 firefox.exe 40->52         started        102 Tries to detect virtualization through RDTSC time measurements 44->102 signatures14 process15 file16 56 C:\Users\user\AppData\Local\Temp\DB1, SQLite 48->56 dropped 86 Tries to harvest and steal browser information (history, passwords, etc) 48->86 54 conhost.exe 48->54         started        signatures17 process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 17:30:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fg4dxbqpfmivvlhk67s2kuzmetltmojogss6v3zct442bot3xgbq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bp31 rat spyware stealer trojan
Link:
https://tria.ge/reports/231113-v249ysec21/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
0a7ae1e6fc0e7070ebe1dbc0be54ab53467aec2dbf296ac4ebc2fb67506ec480
MD5 hash:
137eea57bcd5901a284aa70da60a4f14
SHA1 hash:
d58ed42e28a1752c6fb789686ab3f63cbc5ed694
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f4d54b8f-1f6a-4b03-b859-de30c05e5146/
Parent samples :
f26ef2dc3870b6ee2f05973fcd97b1e55f817524eac8bdbe6863e584c6cf2821
925fa037b496ed141df2f58ee1eddac36a26a9ec3bf6888c7e4066764fa0f51c
29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983
SH256 hash:
64b6681a7e4a75cd52b54f4c3cc49133a504da6a5cbb2672ece599c4196d4410
MD5 hash:
f4dc5f9f2e14db7e624c7ca4ec74d828
SHA1 hash:
e59f1f5f79d399928847ae69ca13c7dd7aa08e40
Link:
https://www.unpac.me/results/f4d54b8f-1f6a-4b03-b859-de30c05e5146/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/f4d54b8f-1f6a-4b03-b859-de30c05e5146/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/f4d54b8f-1f6a-4b03-b859-de30c05e5146/
SH256 hash:
29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983
MD5 hash:
e746086f470668fe6cfc3da407fdd032
SHA1 hash:
dd15ad1758739f26239709b0fc4cab872a7c86e6
Link:
https://www.unpac.me/results/f4d54b8f-1f6a-4b03-b859-de30c05e5146/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29b83b860f2b/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/29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983

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_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.

Web download

Formbook

Executable exe 29b83b860f2b115aaceaf7e5a5532c24d736392e34a5eaef229f39a0ba7bb983

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2730501/
Cape
Cape
https://www.capesandbox.com/analysis/458403/

Comments


Avatar
zbet commented on 2023-11-13 17:29:11 UTC

url : hxxp://103.29.3.200/S1211M/wininit.exe