MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee
SHA3-384 hash: 0c6378e762808f4ca55547b45cc945aeb3ce548d7fbef3c06da87dff9ea3e04356f8f3b96be07a3aacbb1ea76379da05
SHA1 hash: 4ecdac65e08b855183034583a0a0c161340c68bf
MD5 hash: e7125f2ea50f1f36994cb281319dd9e1
humanhash: lion-foxtrot-jupiter-bulldog
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:10'503'168 bytes
First seen:2023-01-24 15:45:24 UTC
Last seen:2023-01-24 15:45:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:HhRpFQTF9j5Wj73p+DLQ9RibdFD/0jjL+GAmOAF:BPuTFdi73p+3jf/2nqAF
TLSH T173B62875EB1D46D6CD3A837EE4E7F98442F8B36A69D3C90F7489334D28033AAC516612
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence

File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-24 15:56:01 UTC
Tags:
opendir formbook xloader
Link:
https://app.any.run/tasks/ecbfde3f-4b23-4d9b-9639-73fdaf4f403c

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/356456/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Running batch commands
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay
Link:
https://www.filescan.io/uploads/63cffd4c2b351a3d0ea84299/reports/b029033d-da3e-4b80-82fb-62b364ae1233/overview
Result
Verdict:
MALICIOUS
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9082595f-5b60-46bd-a2ce-17c1d6733b03
Result
Threat name:
FormBook, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158125
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790861 Sample: file.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 38 www.iamme-label.com 2->38 40 iamme-label.com 2->40 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 9 file.exe 15 4 2->9         started        signatures3 process4 dnsIp5 44 justnormalsite.ddns.net 45.14.165.143, 49696, 80 VALCANALE-NETIT Germany 9->44 36 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->36 dropped 62 Encrypted powershell cmdline option found 9->62 64 Writes to foreign memory regions 9->64 66 Injects a PE file into a foreign processes 9->66 14 RegAsm.exe 9->14         started        17 cmd.exe 1 9->17         started        19 powershell.exe 16 9->19         started        21 2 other processes 9->21 file6 signatures7 process8 signatures9 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 23 explorer.exe 1 1 14->23 injected 76 Encrypted powershell cmdline option found 17->76 27 powershell.exe 21 17->27         started        29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        process10 dnsIp11 42 www.ahmedo.ch 213.239.221.71, 49698, 80 HETZNER-ASDE Germany 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 33 cmstp.exe 12 23->33         started        signatures12 process13 signatures14 46 Tries to steal Mail credentials (via file / registry access) 33->46 48 Modifies the context of a thread in another process (thread injection) 33->48 50 Maps a DLL or memory area into another process 33->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee/
Threat name:
Win32.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-01-24 12:50:06 UTC
AV detection:
18 of 39 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkplcyg7izsifpgr36jk3f2hcmq6irs6lzciqimfqudhatw4chxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dcn0 rat spyware stealer trojan
Link:
https://tria.ge/reports/230124-s7mkzsea5z/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Unpacked files
SH256 hash:
4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee
MD5 hash:
e7125f2ea50f1f36994cb281319dd9e1
SHA1 hash:
4ecdac65e08b855183034583a0a0c161340c68bf
Link:
https://www.unpac.me/results/748d266b-cafa-44be-9ef2-bee6fefd9809/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a9eb160df46/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee

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: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 4a9eb160df466482bcd1df92ad97471321e4465e5e448821858506704edc11ee

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2512463/
Cape
Cape
https://www.capesandbox.com/analysis/356456/

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