MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463. 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 2 File information Comments
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SHA256 hash: 65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
SHA3-384 hash: 13deb24d126bdf285b6cd64d32e37e3d0d8b68a02b6b2ffa9f1423032242ae5d8ed46db52f54073482c062e91f896676
SHA1 hash: 548698503cb5c9dd49362d4b683571f4f272ae9e
MD5 hash: 3a1e8abdfec737197e978f74cde369de
humanhash: shade-north-yankee-violet
File name:3a1e8abdfec737197e978f74cde369de.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:984'576 bytes
First seen:2021-06-29 07:03:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:NjQBGW1PYAAdKCJfnkD/WIPuNiw5HxfLK:NtimKnzWww5H52
Threatray 6'056 similar samples on MalwareBazaar
TLSH 8425CE242AE95126E5B65F7C49B0708156BDFF232F17C83D68B532C91733A42CAB127E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3a1e8abdfec737197e978f74cde369de.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-29 07:27:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7f5cc02-86b5-4afc-a8e2-d5e908c9dec9

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/168703/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.889-1.UNOFFICIAL
Create hunting rule

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/7b588a3b-4b50-4dd5-a6ad-d5890db45c82
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809211
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)
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 signatures2 2 Behavior Graph ID: 441621 Sample: qMN6oFyrux.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 9 qMN6oFyrux.exe 3 2->9         started        13 explorer.exe 2->13         started        process3 dnsIp4 30 C:\Users\user\AppData\...\qMN6oFyrux.exe.log, ASCII 9->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 9->56 58 Injects a PE file into a foreign processes 9->58 16 qMN6oFyrux.exe 9->16         started        32 www.hometowncashbuyersgroup.com 91.195.240.13, 49743, 80 SEDO-ASDE Germany 13->32 60 System process connects to network (likely due to code injection or exploit) 13->60 19 autochk.exe 13->19         started        21 autochk.exe 13->21         started        file5 signatures6 process7 signatures8 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Sample uses process hollowing technique 16->38 40 Queues an APC in another process (thread injection) 16->40 23 wlanext.exe 16->23         started        process9 signatures10 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-28 06:38:34 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwqmi3dgmpuejy4kxsolkyvrwhuim27d2hbwc2lag6ljhw3rorrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ed458c466676594e5feaee03cbd536339dc28c162a266daaccbeaaa7afdb887
Formbook
132bffde916ecb2374bc576a1e7d041d09b8411ed3c885b1d5e9b01e1ca073aa
Formbook
25644ff35da89545c702b633182c4ff1f649dd64c9c8249be9afe7090359d87d
Formbook
3ee6f995f613e6a7e1e55c7a40d710701abead643e0ec9712c7dedb1800be01a
Formbook
46a43e78123a8400e4eecc145ab51509a3cd7baae19f450d5150bb762d0bc34e
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
Formbook
ad86b6dd3faef43b4ef56786e35a7d2b38a369e6082c72c3cac0267a5b8efc5a
Formbook
e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf
Formbook
f8e8f64bb17ffb2fea18b7671602a76a8b5734607c7a7ae035dce8eed8381a74
Formbook
+ 6'046 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210629-nysd9zcdgs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.hometowncashbuyersgroup.com/kkt/
Unpacked files
SH256 hash:
5f549d80c3029f9c2779f4b4742943413a7e555f866487e3178908270c8eeda1
MD5 hash:
77c3d2b13f2ea634e72951620143fa43
SHA1 hash:
f440f412d17d9df499c0aa0b524228752e4f5646
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2ebbfc4b-2891-430c-b9e9-5d860d09efd2/
Parent samples :
75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
ab96b6ac9080fe40003b5259931da0e8fae1d5e57d602991d8bb06fa712bdd9b
f8f02165547227a6692d503cf1203dcaf2d43b58219bb78cb0e42895f49a8121
4ed49588d6356f63895a1674a3ab5351199e4c4a8af4c825cc7d2b7dd79bffbc
b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/2ebbfc4b-2891-430c-b9e9-5d860d09efd2/
SH256 hash:
3f4c57c623778bd3399db9987f48a567c9e675f85d1717165baa9d328cdcb32e
MD5 hash:
04ca452212765fe150f2e9c88b3cb4de
SHA1 hash:
12989ad05f5c0cd418a91627831a3a786855eb76
Link:
https://www.unpac.me/results/2ebbfc4b-2891-430c-b9e9-5d860d09efd2/
SH256 hash:
65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
MD5 hash:
3a1e8abdfec737197e978f74cde369de
SHA1 hash:
548698503cb5c9dd49362d4b683571f4f272ae9e
Link:
https://www.unpac.me/results/2ebbfc4b-2891-430c-b9e9-5d860d09efd2/
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/65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1394165/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168703/

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