MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939. 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 1
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SHA256 hash: 8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939
SHA3-384 hash: 215f4cf13f63dbaa23608453391e43ac90fa43f27a54236130e4e9fab35928fb2cdea4b612aa06c4fe4547b22eaf528a
SHA1 hash: c806f0f7c5963d65051acf44cae02d2f8ba00d87
MD5 hash: b4cdb175187010a16ab91cc92137d1cc
humanhash: thirteen-september-pasta-georgia
File name:b4cdb175187010a16ab91cc92137d1cc
Download: download sample
Signature Formbook
Create hunting rule
File size:946'176 bytes
First seen:2022-03-14 20:14:48 UTC
Last seen:2022-03-14 22:41:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:giBU5+fI+BULGzQCae++Mt4ZyiMpgeTC2LzhzA:giB00VBdzQCae+vt0yiqzhzA
Threatray 15'008 similar samples on MalwareBazaar
TLSH T16A15F1A13E596FC2E9398BF4415B926EC3F339663E13E5791EB02EC7041EF018565A23
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/250428/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.28458.8783.31644.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/622fa24fdfdfa8501c9fd080/reports/ecde815a-fa44-4b7f-9cf4-24cd35217d7c/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acd02f5f-d5e1-4e15-972a-846e2e09bf2c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956521
Signature
Antivirus detection for URL or domain
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 589004 Sample: Ulb34d5ksI Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 31 www.newtls.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 11 Ulb34d5ksI.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Ulb34d5ksI.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Ulb34d5ksI.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.spirtlenders.com 185.53.177.11, 49818, 80 TEAMINTERNET-ASDE Germany 18->33 35 www.odieuxclothing.com 54.38.220.85, 49817, 80 OVHFR France 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-14 12:33:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
085716dfefcb862a1677484242f5e03be402875e1752717a9e9f6ce346120ea4
Formbook
0adfc99fefcb09f082e85f53025764a8ea4b0f35a4140540022be9de71bb58e9
Formbook
2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771
Formbook
5683bdb2fc2b2f0bfd524ea328ead3cb7d405f888c54a96fe05dff6ee4d91bd7
Formbook
6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615
Formbook
9655ee4ca1167f87d9245041ab59e861d6b3bdde7897a3b4cb2deee8550bdaaa
Formbook
e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
Formbook
ea94995d23d53a98a949a242022cbd9bc5b7a4320c3fb6c045370b15704e4004
Formbook
+ 14'998 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cxbz loader rat
Link:
https://tria.ge/reports/220314-y1kqpsbhh2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
5b7da029d64cea05a37737af6d68281d089430389f07168b6d4caa83792cc675
MD5 hash:
6cd61188afd9a9597b61c5431eee062d
SHA1 hash:
3e580950318104d6db7f4fe9e4ba26c4a88d4a0a
Link:
https://www.unpac.me/results/75961fe2-aa43-412b-8b5a-d4232cee198f/
SH256 hash:
a33cc644aa38ec09ef9a21ecc6f40e4b8f2ea5d639ce24854cca3806d0e1f145
MD5 hash:
8f8fef9e19cd77ea09683e1442d8c4be
SHA1 hash:
8d47353080129b9152a69a85f7069e366499f17a
Link:
https://www.unpac.me/results/75961fe2-aa43-412b-8b5a-d4232cee198f/
SH256 hash:
e0124106c687a05fd487e4186bd47197ab6200907edfb38712a1dc231022d27e
MD5 hash:
727dcaedb31df7da9ce9de9c5ec000db
SHA1 hash:
c0b9ebccc45e0a3d1e46986223c50df0e85a6eb0
Link:
https://www.unpac.me/results/75961fe2-aa43-412b-8b5a-d4232cee198f/
SH256 hash:
b39800cf836f6df567f9deaeacd5038c4e077324a8e95d99d856d7261258f4ff
MD5 hash:
b638dd70c1634680fabf704d9d61ccd3
SHA1 hash:
8d6eef404c1f76a9435b795482b11932ac541069
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/75961fe2-aa43-412b-8b5a-d4232cee198f/
Parent samples :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 hash:
8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939
MD5 hash:
b4cdb175187010a16ab91cc92137d1cc
SHA1 hash:
c806f0f7c5963d65051acf44cae02d2f8ba00d87
Link:
https://www.unpac.me/results/75961fe2-aa43-412b-8b5a-d4232cee198f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8d6fcc0c461c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939

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
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Rule name:Skystars_Malware_Imphash
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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 8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/250428/
  
URLhaus
https://urlhaus.abuse.ch/url/2096965/
  
URLhaus
https://urlhaus.abuse.ch/url/2096966/

Comments


Avatar
zbet commented on 2022-03-14 20:14:50 UTC

url : hxxp://198.12.110.210/window/vbc.exe