MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: 48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd
SHA3-384 hash: f5340c75682df8afd16ce0c6f6e04c4410bc15d272dfb81985865a94faf3f42875c3be4d2aa98ed760a15478b20a068a
SHA1 hash: f3840ffe6d61b70e09c5c9756f689ad95b1893a8
MD5 hash: 66742ca618df3ec9cd4a9b0c17f58a78
humanhash: happy-colorado-quebec-may
File name:66742ca618df3ec9cd4a9b0c17f58a78.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'702'400 bytes
First seen:2021-04-09 20:19:59 UTC
Last seen:2021-04-09 20:49:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:IjlItj6uqZpYUoaBA/BB8LRB9rnApirpwLc:IjlItj6uqZpYUoaBA/BB8LRB9IirOLc
Threatray 4'688 similar samples on MalwareBazaar
TLSH 387529D11F96BA59F03AB7347530447C93F7BC229324D68E3E83E8DE8653B4186A1762
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PRC-20-518 ORIGINAL.xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-09 09:03:13 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/9d216086-5311-49e8-8039-a1cfddfc90a4

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/133453/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.640.5328.6572.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/671793
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 384841 Sample: p96tm6y3yo.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 100 32 www.l7zexitam.xyz 2->32 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 54 5 other signatures 2->54 11 p96tm6y3yo.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 32->52 process4 file5 30 C:\Users\user\AppData\...\p96tm6y3yo.exe.log, ASCII 11->30 dropped 66 Tries to detect virtualization through RDTSC time measurements 11->66 68 Injects a PE file into a foreign processes 11->68 15 p96tm6y3yo.exe 11->15         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.vtolvertiportservices.com 91.195.240.103, 49715, 80 SEDO-ASDE Germany 18->34 36 www.recruitina.com 116.203.98.215, 49724, 80 HETZNER-ASDE Germany 18->36 38 9 other IPs or domains 18->38 56 System process connects to network (likely due to code injection or exploit) 18->56 22 wscript.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.intotechsolutions.com 22->40 42 intotechsolutions.com 22->42 44 192.168.2.1 unknown unknown 22->44 58 System process connects to network (likely due to code injection or exploit) 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-09 07:16:27 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jc3t2scz6sb73cmrmrteob7uqsip5k2t4y2ye4u4qmqmx5dyal6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1432f0240c91b7439722df807e35ef9b4cc9b126f3e5d42cedb27b28751118d7
Formbook
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
1de5c6b986a6401ba0490ccce78e8bf125d9604d07c4ad87a856a588f0aba6cb
Formbook
26c752e870c67846120eefa974dabdb9ee5b0efd3ddcd45f507aeaa638db2572
Formbook
2fa1b077d0c0a2f292e166dd47f72ca444ceac3c43a1936b4f9a03d7c34d032a
Formbook
3f1baf04b23987c2ab3094dc23c78ad98e1174e91d35325b40210c95c408ff15
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
95eedb3eaf98ec12d5f66609278d43f94e1f635420d413ee0672bbf9434aafa4
Formbook
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
Formbook
dc5f7d89ab2465597ff7fa9f544326613aeaab2afa6e2e457ba5fc0da15bd450
Formbook
+ 4'678 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210409-zbyzw7pflx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.frontierglasseastaurora.com/g050/
Unpacked files
SH256 hash:
c5519ef771321d62260735c62622297b284e823d97b29eed0dae704d89bb4c5f
MD5 hash:
0158502a4a1ee47ae2abfe604f2fd748
SHA1 hash:
3dec24548c89d943f3fe9a4dd0b8663cbdcf6e0d
Link:
https://www.unpac.me/results/54161909-2d30-44c8-bea7-20e416478331/
SH256 hash:
48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd
MD5 hash:
66742ca618df3ec9cd4a9b0c17f58a78
SHA1 hash:
f3840ffe6d61b70e09c5c9756f689ad95b1893a8
Link:
https://www.unpac.me/results/54161909-2d30-44c8-bea7-20e416478331/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd

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:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/133453/
  
URLhaus
https://urlhaus.abuse.ch/url/1104225/
  
Delivery method
Distributed via web download

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