MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f
SHA3-384 hash: 37e30e40107361cdf22f01a94b2cd6e619d56ddbce1bc0b3fc8127d39edb7714d53a52727b347b5b7b5c2a85dfd40929
SHA1 hash: 4c6618c895e8de40cf9df3e1e9ba74d2adfd2d0b
MD5 hash: ec5c6cbb0520bbaafb7338aa3cb0151e
humanhash: pluto-may-mars-washington
File name:ec5c6cbb0520bbaafb7338aa3cb0151e.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:890'880 bytes
First seen:2020-12-14 20:15:20 UTC
Last seen:2020-12-14 21:41:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:xwkYXNX71IPkkaXQGoagDV9COrsnB6DHAa/cORj+D:ikmNXWlMQzVBrsnB6Dga/cORj
Threatray 3'551 similar samples on MalwareBazaar
TLSH 5915903D5EBA2BF0F2B2873AC4A4A59491FFED939713C82E3CE424C90B61ADD48D1515
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ec5c6cbb0520bbaafb7338aa3cb0151e.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-14 20:17:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/accb9c43-1406-4965-9191-99f5bf72b624

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/108048/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42744.1359.5557.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562636
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 330406 Sample: uM87pWnV44.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 31 www.dameadamea.com 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AntiVM_3 2->43 45 3 other signatures 2->45 11 uM87pWnV44.exe 14 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\uM87pWnV44.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 uM87pWnV44.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.xn--oi2b190cymc.com 112.175.185.27, 49745, 49766, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 18->33 35 rizrvd.com 34.102.136.180, 49733, 49749, 49753 GOOGLEUS United States 18->35 37 17 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-14 20:05:39 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvy5hssj6pczhvftj4wxxwnkrkzlbp5zsei2fiswdigslveu7ixq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
17c7eb5988e11440ac66fccc2a9c8ada3ab1e7183480ddd05ee3a47b19a95f9b
Formbook
2e7e018ee5838bf8450f343923ba4ce6c1282ed1b727fc4ab5cbe69b6204fca2
Formbook
84cb3c9404d520f05f868b550697de2803c587b02fc156764c953a12a227e4d7
Formbook
8daa411eb30ad00d9be98b72d66343cd681616040c1b825a4b35bfc2a27ee1de
Formbook
97b414e4df32b2618618bf61922085e35879a743b6cae758f73747682bdc7b02
Formbook
bbe42dcd5a1d942b3267093fba6232d48183c82500a67e03905864bcbe68b609
Formbook
cf881c52980129f685da1dee4674018fa0fc1db346565dd917ae0160ce26b25d
Formbook
debe2f7e0f2e18dff0c54f3809c66256f5741b5cf9e13e065593c005db9c22de
Formbook
e4a37068ee17c112f9d33e3151e260f85e9a8b200b4958caf569cf6076447ea1
Formbook
e973f018b330b3afa0ce25d89e8e5eece3d187309e27265718cd333c28332c0b
Formbook
+ 3'541 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/201214-vj896fll2e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.rizrvd.com/bw82/
Unpacked files
SH256 hash:
3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f
MD5 hash:
ec5c6cbb0520bbaafb7338aa3cb0151e
SHA1 hash:
4c6618c895e8de40cf9df3e1e9ba74d2adfd2d0b
Link:
https://www.unpac.me/results/5c2815ff-4296-45bc-b141-c536866222fe/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/5c2815ff-4296-45bc-b141-c536866222fe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/918621/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108048/

Comments