MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
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SHA256 hash: ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067
SHA3-384 hash: 7adee6f1b768aed340fd3788711cdbceba227433d3c12f8c0f2f13cf033e319fa2bfb2770698962f583585e4b62ecb68
SHA1 hash: 9e1780a3ae231119d8936a7ced0bd50e7c4a1166
MD5 hash: 9f75f8681717e1035a190dc2e849e1fc
humanhash: shade-yankee-bravo-tennis
File name:9f75f8681717e1035a190dc2e849e1fc
Download: download sample
Signature Formbook
Create hunting rule
File size:884'224 bytes
First seen:2021-09-30 04:01:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:6D4VHfQe6ZyWshg+qbZxTZZWunAWvA3M39NTCzl2xCW4/z1JbLCNPdg:Wc4jTCzl2xCW4/z145dg
Threatray 9'743 similar samples on MalwareBazaar
TLSH T1DC158D1AB60CE65AFD1433F02524BCC411F81C981C6CBA13B97676EAB4B9E27DCB505E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9f75f8681717e1035a190dc2e849e1fc
Verdict:
Suspicious activity
Analysis date:
2021-09-30 04:02:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7e48fd50-8e1e-49bd-8413-7cd28ff646dd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/193291/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FRV.genEldorado.8824.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6986b965-2a5a-4ebc-b324-2a0e12a45f3c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861504
Signature
.NET source code contains potential unpacker
.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
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
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 signatures2 2 Behavior Graph ID: 493935 Sample: m2F8C6rz9J Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 8 other signatures 2->44 10 m2F8C6rz9J.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\m2F8C6rz9J.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 m2F8C6rz9J.exe 10->14         started        17 m2F8C6rz9J.exe 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 32 thekalimasigroup.com 160.153.136.3, 49832, 80 GODADDY-AMSDE United States 19->32 34 www.yesterdaystomorrownow.com 208.91.197.27, 49845, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 control.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 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        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-30 04:01:23 UTC
AV detection:
19 of 44 (43.18%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0119464081f8d755756760500cf89e722a10fdb5fedcd3fc9a7751b8cebeea55
Formbook
2388b4254ae1d29a43fbd10b1f2c7c1dbf28fb89c0a2a0adc2e9a68625416e7e
Formbook
4fa4620f075ed6875b96da8c661287fc12c586ddc524c866a6861a6a94a26bee
Formbook
534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b
Formbook
57605921f72fd210ec256ed3010b59d111c6d3b9e49b9e830e06d6bddce83db4
Formbook
6e1a82800736b1a05851d8eeca004861946ad916fe5566796e9303766de80131
Formbook
7fe042e93ace8e9e3ac6c6b4f14847addc613c3c710a3e2bb63d36e4e188ec72
Formbook
f8c3b9a8f01e022158ef5f9bc6d69287b6b03ce5527f7ac911de25dcdc016569
Formbook
+ 9'733 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:zizv rat spyware stealer trojan
Link:
https://tria.ge/reports/210930-elsm8agce8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thekalimasigroup.com/zizv/
Unpacked files
SH256 hash:
64ff5da76f50410a04380283541b82f47d192f3fc35ab1c7fded39ca869bb390
MD5 hash:
0541a9871fff20d803981e0926ef3436
SHA1 hash:
d7dd456a832bd2d1f63cafff23884186361b4b4d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
SH256 hash:
56d3b4d3943744c5270639e53d43ab33b3518af89ddef6bfd4ce50e30bfcf292
MD5 hash:
dfb4d47af3344f5fb75ce71b87a0de0c
SHA1 hash:
be317d8e5d7089ce49cb7d85f90b117383b5121d
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
SH256 hash:
a3499236f68f8492aeaa935f9fb5471465f561d24695fc3695447078754ecb00
MD5 hash:
367e7e688dacf34a31f0cef357a2cd4a
SHA1 hash:
52151c76a4cb74f7abce935ae62126c72d0be463
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
SH256 hash:
ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067
MD5 hash:
9f75f8681717e1035a190dc2e849e1fc
SHA1 hash:
9e1780a3ae231119d8936a7ced0bd50e7c4a1166
Link:
https://www.unpac.me/results/ea01258d-2bfe-428b-b15d-9a8235178f7c/
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/ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067

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.

Web download

Formbook

Executable exe ec0023538e80bee8dc7cf5feca8c45548217a5cad62cbaa0b1f1868dad5d0067

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1648785/
Cape
Cape
https://www.capesandbox.com/analysis/193291/

Comments


Avatar
zbet commented on 2021-09-30 04:01:13 UTC

url : hxxp://tenita.xyz/PO98848.exe