MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a
SHA3-384 hash: fab946eaf02ad47bfa2161fd40b6b09874976b8dab509ac918b64bc349505cd39fdf41ef3a07b39ddb491cd5e6e04ffa
SHA1 hash: b3840961fdc546f96d6bcacd3a050e066f402588
MD5 hash: 7bb8c4f386c63763ee0e240153430ddb
humanhash: lactose-ceiling-one-eight
File name:7bb8c4f386c63763ee0e240153430ddb.exe
Download: download sample
Signature Formbook
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File size:538'112 bytes
First seen:2021-11-16 20:57:19 UTC
Last seen:2021-11-16 23:02:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6o/JzsVpsf5SFHqNHe90QVJ3iKKhM5r/:6o/WVpsf5osenVJpKhM
Threatray 11'450 similar samples on MalwareBazaar
TLSH T1AAB48C07BADC4AD7D05E66F84E95F75C1322AD150623DF192E85F0CA1971B028AF32BE
File icon (PE):PE icon
dhash icon 64ecccd4d4c4ccd0 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/206652/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1102.27942.27032.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61941b5d4912a8c920a09c9b/reports/d9a9d4e1-f21d-4e56-9eb1-d3c75f1bec22/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/6491552e-0185-4ca6-ae3a-c02622e7a073
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/890746
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 523217 Sample: 7OjVU04f8q.exe Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 33 www.amplifymycity.com 2->33 35 amplifymycity.com 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 7OjVU04f8q.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\7OjVU04f8q.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 7OjVU04f8q.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 www.heglemrca.quest 37.123.118.150, 49849, 80 UK2NET-ASGB United Kingdom 18->37 39 www.socialautoposter.pro 103.224.212.222, 49816, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 colorcpl.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-16 20:58:07 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
2bee14cbe1953b3a702d00e40417ff1d6b090f46116d62abaf2e255468d93bbe
Formbook
5b353b83719d0a2f4a9f5ad11894c5c2129ae67e28a1f8677150a03623ab21f9
Formbook
5d5aa4f1afaa9dd98bc1317f5b8e190cf21130d465da575fac9d4fbc6b3fb3af
Formbook
73db754f5e709731e9c07c230fa6512ee75e07184c367e3f80b1bf646e7b72da
Formbook
84bbdc0b303d03c1ef4ee6d48dedd94181d8fc5650a20b557a555b0917aaf879
Formbook
a273caaec30c51f646c6b2d4e6d4823e01f510f3d48ceb963664e50c1e3a5f31
Formbook
d2aa010515bc8390084659013a1fd1e3e476e36ce46293281deb95c4469663f9
Formbook
d3c68ebad6229b1da92061291639f9b48e3f76fd4c524a9850b4fbb311e180f8
Formbook
dce5f044b1f4396f33c3574667169dcbdeb3aebb037c9f53d7a8c38e095f576d
Formbook
+ 11'440 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:gtc5 loader rat
Link:
https://tria.ge/reports/211116-zr56qafea5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.studio-pdx.com/gtc5/
Unpacked files
SH256 hash:
0d22e6a80d0684b30db3161e65f6879cbc0e41064c8653a37f4b2a6f658e0abb
MD5 hash:
d7a20e4346a10b4881242f15d75277da
SHA1 hash:
cb7f6d4e0e7b8e055f29e8ba7e6bc94cb3105502
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/4596536b-f45a-44a0-b995-e87225c16ed2/
Parent samples :
a273caaec30c51f646c6b2d4e6d4823e01f510f3d48ceb963664e50c1e3a5f31
b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/4596536b-f45a-44a0-b995-e87225c16ed2/
SH256 hash:
5948aafda12eb760c4191c25c00a2132896acae4c8cbbfb4d74407eb4ebe0df6
MD5 hash:
13d4dae200767fe0ccaf92fcb6ae0390
SHA1 hash:
7ad32d4898f4dce14e18991cad4c27257a4e1643
Link:
https://www.unpac.me/results/4596536b-f45a-44a0-b995-e87225c16ed2/
SH256 hash:
b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a
MD5 hash:
7bb8c4f386c63763ee0e240153430ddb
SHA1 hash:
b3840961fdc546f96d6bcacd3a050e066f402588
Link:
https://www.unpac.me/results/4596536b-f45a-44a0-b995-e87225c16ed2/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b08439619eb9/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/b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a

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
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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.

Cape
Cape
https://www.capesandbox.com/analysis/206652/

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