MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4. 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 3 File information Comments
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SHA256 hash: 8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4
SHA3-384 hash: a1dcc9dfc0c54faee22292a118511ebdadec879a5dfbb1356e554798f1df784cb794a0c241720c817520f60db463dd35
SHA1 hash: 0933c2e288e682513d149fba882a5734d6164072
MD5 hash: a258ac40b5c62c1ac1124ace071c69dd
humanhash: cup-jupiter-delaware-steak
File name:a258ac40b5c62c1ac1124ace071c69dd.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'576'960 bytes
First seen:2021-08-13 08:08:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:X3/OmzXhHYNrG4H/8gA1jg0vbZBrLAkd2CZjjhmnqQ6H+Uy1Susr8MmH3ji:GmThKG4f8njrskUCdtq3ZZS5R0
Threatray 7'774 similar samples on MalwareBazaar
TLSH T175754C3D19B92637C0A5C6758AE18817F0449CAF31D1A9BC94D27F66C3F2A5335832EE
dhash icon 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order Faruechoc.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-13 06:10:35 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4fe3764b-084a-4941-b664-83d37263ab86

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/178915/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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/f5ef8d96-d56f-4e2a-893a-548dee43937f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832260
Signature
.NET source code contains very large strings
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
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 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: 464696 Sample: dMaFhRznO6.exe Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 31 www.yogaceramics.com 2->31 33 www.porcelain-jewels.com 2->33 35 5 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 dMaFhRznO6.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\dMaFhRznO6.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 dMaFhRznO6.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 lpcavoca.church 173.192.81.230, 49750, 80 SOFTLAYERUS United States 18->37 39 questsemi.com 43.255.154.29, 49745, 80 AS-26496-GO-DADDY-COM-LLCUS Singapore 18->39 41 10 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cmd.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-13 08:09:11 UTC
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnjazyg6bluco3u4dectzlsgkrkmstewha2bm3h6lmxlip3akdsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
5955bf6676d1f4d7e9e12f2201674381535d24bd88bd480feda425839841ecaf
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
6c6dd45a923d7eb6fa1f114a5a4c20fab27bc03e44a5c8cb8627d43da93dfe48
Formbook
7fd75617ee39e8ed51f7e118f0aa46b83916dbf0d1d769e088c3fca7a4c0014f
Formbook
9aa14501574506627270d8fd1ffba77663640ade1feba0deabbc9ece1f06c0d6
Formbook
a2ea418fe212c56fabd58c09d12b825f113f613f271c52ee8cca5d70750ea12d
Formbook
aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
bb9ba507dcfe191724f459ded8009edfa46481b2e244827354116f1734a52a9c
Formbook
+ 7'764 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:o9pi loader rat
Link:
https://tria.ge/reports/210813-ptqxkna1ee/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.triplerb.net/o9pi/
Unpacked files
SH256 hash:
fc9af8911f1a358b79e4982a307214508ea6a439bcb849a8201307c50bcf97b1
MD5 hash:
d4777c8746bca7abb4a4c07ca25cef15
SHA1 hash:
551e1069e6f94ed265ef854ebf8ee3e5b45e6040
Link:
https://www.unpac.me/results/34abc3d4-60ef-441d-b9c9-6225e32c8ca1/
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/34abc3d4-60ef-441d-b9c9-6225e32c8ca1/
SH256 hash:
8b4698511df97b0953e53ccc469f466a58d87446291c1a4d781d4d449d3c9f66
MD5 hash:
8cf3cb6cd68bc82f1b01f315d420e71c
SHA1 hash:
a5039fd57339cfca96ad64436d3d712c72aed5ad
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/34abc3d4-60ef-441d-b9c9-6225e32c8ca1/
Parent samples :
8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4
7170c963a4346f0a02064d746ef54115dd36da7c5fbadcf024d58533df0ba806
SH256 hash:
8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4
MD5 hash:
a258ac40b5c62c1ac1124ace071c69dd
SHA1 hash:
0933c2e288e682513d149fba882a5734d6164072
Link:
https://www.unpac.me/results/34abc3d4-60ef-441d-b9c9-6225e32c8ca1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8b520ce0de0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4

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:pe_imphash
Create hunting rule
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 8b520ce0de0ae8276e9c19053cae465454c94c963834166cfe5b2eb43f6050e4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1529907/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/178915/

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