MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335. 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: e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335
SHA3-384 hash: e09feb5830e776aa9b71286b9c7ee068f86f42e8d30863d78135dc31ad4b78cfdeec777242b739e37485d7e81de45494
SHA1 hash: 46da08a0f4f0002f645486be56d779ae13af33e7
MD5 hash: c49c52f46d724a3065e0f033b7b615da
humanhash: low-blossom-hamper-one
File name:c49c52f46d724a3065e0f033b7b615da.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'014'272 bytes
First seen:2021-10-07 19:50:33 UTC
Last seen:2021-10-07 21:10:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:SHQ0/DyL9pD3n+0S9p2dHmPjal2rrkNyFqkqolI:sl+L7D3+19MVmPuMINyYkdl
Threatray 10'021 similar samples on MalwareBazaar
TLSH T1DF25E6002695C701D1B637F4D864CAF097656D45DA29C28B2DF1BEEB39B1B03CE11AAF
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c49c52f46d724a3065e0f033b7b615da.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-07 20:01:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b1b75de1-f5cd-40b0-aebf-03de9fb35cf4

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/195958/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.2785.29149.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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
monero obfuscated packed
Link:
https://www.filescan.io/uploads/615f4faab95458900cde7686/reports/58a148f7-b4f3-4b5e-8dd8-ef3f5cdc9cbe/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3aa14ca1-d59b-4951-a0cc-8e16970deb22
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866689
Signature
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 domain / URL
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
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: 499116 Sample: VoYk1EdRHw.exe Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 VoYk1EdRHw.exe 3 2->10         started        14 explorer.exe 2->14         started        process3 file4 28 C:\Users\user\AppData\...\VoYk1EdRHw.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 16 VoYk1EdRHw.exe 10->16         started        signatures5 process6 signatures7 30 Modifies the context of a thread in another process (thread injection) 16->30 32 Maps a DLL or memory area into another process 16->32 34 Sample uses process hollowing technique 16->34 36 Queues an APC in another process (thread injection) 16->36 19 explorer.exe 16->19 injected process8 process9 21 wlanext.exe 19->21         started        signatures10 46 Self deletion via cmd delete 21->46 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 24 cmd.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 19:51:18 UTC
AV detection:
8 of 28 (28.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
166559731ad15341f955bf8a16708f93542bef868c33f02f70e9b27f57b991a3
Formbook
19492b5df68b96dd4dd552f1a4735f795fa8bedef47ac95f1336d9731ec5edd2
Formbook
978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741
Formbook
9cbd20f7dfa4e57fa2adcf34f86c5e2a04b36e346493995d6c9ef85c3960eeb7
Formbook
bc4d625ec4ba48b9c17bcd907fe509539a12bb0d6103ff65a4e3c59fb4eca07c
Formbook
c73d24893e3cde68e7cab69f7dbccdccd4b5b32a8a1f226c4ec38de3c4ae11fb
Formbook
c8409ef72cffceaf4b66cb2ba74ed66316cf395e1b1ef9014a9024e44ef4136e
Formbook
d3c68ebad6229b1da92061291639f9b48e3f76fd4c524a9850b4fbb311e180f8
Formbook
+ 10'011 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:scb0 loader rat
Link:
https://tria.ge/reports/211007-yktcxadbal/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.vetpipes.com/scb0/
Unpacked files
SH256 hash:
6242485a3c1c93aecc64bf33b5f99f14b67336dcfc8f96a5bba8147557d64440
MD5 hash:
60f645f8dc5fbe5b1c256318232d7ce7
SHA1 hash:
4c9d879bf07a222e9b957b847d9cffa08904acb7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0f2c88cf-5ed2-430a-9d64-6317836d1e1a/
Parent samples :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 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/0f2c88cf-5ed2-430a-9d64-6317836d1e1a/
SH256 hash:
d9ae1553f16d1bae2c2b8986d581ce046fde2c722ace424de4a212aaeae78036
MD5 hash:
94892969b20f19c7e3e2fa619e18a93d
SHA1 hash:
24549cf97bf75c3c17239d21e0e34a3bf36d31d9
Link:
https://www.unpac.me/results/0f2c88cf-5ed2-430a-9d64-6317836d1e1a/
SH256 hash:
e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335
MD5 hash:
c49c52f46d724a3065e0f033b7b615da
SHA1 hash:
46da08a0f4f0002f645486be56d779ae13af33e7
Link:
https://www.unpac.me/results/0f2c88cf-5ed2-430a-9d64-6317836d1e1a/
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/e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335

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: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 e8d3f12a56c28288654561a8061cf6127bd4c6baa4db19ed35faef1bac454335

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1659994/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195958/

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