MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 612978b3f26f015bba90e038b5fff1fd337818713e639dfd292e72d3109bc931. 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 2 File information Comments
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SHA256 hash: 612978b3f26f015bba90e038b5fff1fd337818713e639dfd292e72d3109bc931
SHA3-384 hash: f1359463d3512f51a249f2db9010a8037f4bef208ccb96184e5bdd2f8fb8b1db97045eb173c182da67b947c56c7963d1
SHA1 hash: 94c1f9e01e025990dda5764aeec4aff8edd3258d
MD5 hash: 64962860bd6e17e8af822c3717a64254
humanhash: fillet-purple-carbon-stream
File name:new incoming voice message.exe
Download: download sample
Signature Formbook
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File size:882'176 bytes
First seen:2021-07-04 06:46:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wHyhV2leje0W1EOGQyVv145TRLEthgxTZmX5Sq9aQs7ny:wUVCTmt2Zc40
TLSH A3155A302A94CA29E0BEBBFB81A7A59056FDFD129B07D8097CB532C80633A43DD7155D
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new incoming voice message.exe
Verdict:
Malicious activity
Analysis date:
2021-07-04 06:49:27 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/419c240f-962d-4277-beed-5a00f91c4aaa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/169557/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.899-1.UNOFFICIAL
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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/725b1ed5-27b3-468d-a688-ca09d39a7319
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811522
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 signatures2 2 Behavior Graph ID: 443933 Sample: new incoming voice message.exe Startdate: 04/07/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 8 other signatures 2->44 10 new incoming voice message.exe 3 2->10         started        process3 file4 30 C:\...\new incoming voice message.exe.log, ASCII 10->30 dropped 54 Injects a PE file into a foreign processes 10->54 14 new incoming voice message.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 32 u2collect.com 172.93.123.107, 49729, 80 HOST4GEEKS-LLCUS United States 17->32 34 steveandgail.com 192.0.78.24, 49722, 80 AUTOMATTICUS United States 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 WWAHost.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/612978b3f26f015bba90e038b5fff1fd337818713e639dfd292e72d3109bc931/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-03 18:15:41 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=meuxrm7sn4avxouq4a4ll77r7uzxqgdrhzrz37jjfzzngee3zeyq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210704-e6fdrxbah2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fabricwarehousebrla.com/mjf5/
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/fdd6de73-7c5a-43dc-960b-2fdeab74276d/
SH256 hash:
612978b3f26f015bba90e038b5fff1fd337818713e639dfd292e72d3109bc931
MD5 hash:
64962860bd6e17e8af822c3717a64254
SHA1 hash:
94c1f9e01e025990dda5764aeec4aff8edd3258d
Link:
https://www.unpac.me/results/fdd6de73-7c5a-43dc-960b-2fdeab74276d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/612978b3f26f015bba90e038b5fff1fd337818713e639dfd292e72d3109bc931

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.

Cape
Cape
https://www.capesandbox.com/analysis/169557/

Comments