MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d
SHA3-384 hash: 4ecd748dd4077b10aba4c5e16e19df47f7299bd9ee5f240e7d906e888d1f9231e3eb534f45078f440d181717ecd93290
SHA1 hash: e78d49729e74af210aab1d225be5c888208a372b
MD5 hash: 16b6795e99dfc883377cfeb6a650ab3f
humanhash: pasta-three-lima-blue
File name:16b6795e99dfc883377cfeb6a650ab3f
Download: download sample
Signature Formbook
Create hunting rule
File size:793'016 bytes
First seen:2021-10-11 10:53:37 UTC
Last seen:2021-10-11 13:57:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 1536:tOrm/QUhL0Qrm/QUhL094fdpwLNoLXZIId6O1bau:tOYLNYLRfdpaNoVX6ONX
Threatray 10'294 similar samples on MalwareBazaar
TLSH T1D8F4EFA4AA14D879D2B09F7C5AEEC4948F526E411B079CCF2A44F73F23B72D4D84A18D
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
16b6795e99dfc883377cfeb6a650ab3f
Verdict:
Malicious activity
Analysis date:
2021-10-11 11:14:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4cba4f36-8fa0-4290-ae44-dea82c71d8be

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/196583/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43490.26492.14079.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
overlay packed packed warp
Link:
https://www.filescan.io/uploads/616417cefd35fe780c37cf28/reports/839c5e36-ae78-4c7e-b8da-cb6037708229/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867976
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 500406 Sample: vURlUPQLT0 Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 34 www.growthabove.com 2->34 36 www.asistente-ti.com 2->36 38 2 other IPs or domains 2->38 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 4 other signatures 2->54 10 vURlUPQLT0.exe 15 2 2->10         started        signatures3 process4 dnsIp5 46 cdn.discordapp.com 162.159.133.233, 443, 49726, 49727 CLOUDFLARENETUS United States 10->46 68 Tries to detect virtualization through RDTSC time measurements 10->68 70 Hides threads from debuggers 10->70 72 Injects a PE file into a foreign processes 10->72 14 vURlUPQLT0.exe 10->14         started        17 WerFault.exe 23 9 10->17         started        20 WerFault.exe 10->20         started        signatures6 process7 file8 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 22 wlanext.exe 14->22         started        25 explorer.exe 14->25 injected 32 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->32 dropped signatures9 process10 dnsIp11 56 Self deletion via cmd delete 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 28 cmd.exe 1 22->28         started        40 www.xn--aprendes-espaol-brb.com 217.160.0.226, 49782, 80 ONEANDONE-ASBrauerstrasse48DE Germany 25->40 42 www.fightfigures.com 74.208.236.170, 49794, 80 ONEANDONE-ASBrauerstrasse48DE United States 25->42 44 6 other IPs or domains 25->44 64 System process connects to network (likely due to code injection or exploit) 25->64 66 Performs DNS queries to domains with low reputation 25->66 signatures12 process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 10:54:07 UTC
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4217bf1cf710804c6b4a7b6a7d03974aaa655e512e3bf854c193feb7b2a8d422
Formbook
4dc95a3bcf000bee17c567dcb6047c2e523641ad704f6e677421e817440c51f4
Formbook
64c00be3d0bc5f000ee6d2d6d49e72c9e9f36090f19b7f9620ff0993a0e84025
Formbook
67c2d1838c17151b34861887e15359c92dad555ce861d809b2f7cd9688e4455c
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
81b5af95b241a5a77293e9a905ea32c69da468f568f798ec5ea535071e930596
Formbook
86aab91018b32a9ee913459090b66fe44f00e625f05560483547ad39d542a61b
Formbook
934615bde495d4cbbfd0178c6eea46804cb19a447db1a8781bb43c5986012cbb
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
e1010d989d5412e83aaf07bf794a76257b1a43bcec34dd8c05280cb97c61e3ec
Formbook
+ 10'284 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mexq loader rat
Link:
https://tria.ge/reports/211011-mzj71aghgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.aliexpress-br.com/mexq/
Unpacked files
SH256 hash:
2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d
MD5 hash:
16b6795e99dfc883377cfeb6a650ab3f
SHA1 hash:
e78d49729e74af210aab1d225be5c888208a372b
Link:
https://www.unpac.me/results/a0f611bc-75bd-4d2a-b310-c1ef6beda1a8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2ef7e1f834d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d

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: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 2ef7e1f834d6901fe15bcdbf1c35bb858b921e959d233065277a1457bd72549d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1666547/
Cape
Cape
https://www.capesandbox.com/analysis/196583/

Comments


Avatar
zbet commented on 2021-10-11 10:53:38 UTC

url : hxxp://13.92.100.208/au/audio.exe