MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c31b2832f3fa186d1914475c1e3ca146f338f46b99dc996fae17f125c22da1c3. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: c31b2832f3fa186d1914475c1e3ca146f338f46b99dc996fae17f125c22da1c3
SHA3-384 hash: 4bf4f658725aa6b3ed5616192a3f132e5ae559944dbe2022f1768e343772c8846aa9ee949336c28de169efa3050e554f
SHA1 hash: eb1c705e50cb2b5bc994a1cdecc569696ee050fd
MD5 hash: 172ecf92dbe9a7cb7063394d5281ead5
humanhash: sad-stairway-uniform-timing
File name:Ord20210810837005935168.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:544'256 bytes
First seen:2021-10-12 23:00:29 UTC
Last seen:2021-10-13 00:09:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:hLDyL9pD33vc45WhT2i20x931N17bEJQrDMuA8qF/c:N+L7Dvc0WIx0v3n17b8Qro3c
Threatray 10'437 similar samples on MalwareBazaar
TLSH T14BC4E0382FE59732F5A50F7018B502A0567D79085D2BDE1D1A842E9A3FB2BC58710FAF
File icon (PE):PE icon
dhash icon e0c8ccc6c6c6c0e0 (3 x AsyncRAT, 2 x Formbook, 2 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ord20210810837005935168.exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 23:02:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9cc89e3b-82c2-45ea-a4e3-d507a06f365e

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/197048/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.30169.9076.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:
keylogger monero obfuscated packed
Link:
https://www.filescan.io/uploads/616613b09fb4d8593d62f51a/reports/13f64bce-dd2b-46e3-9520-09d0202aaa51/overview
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/e126be9f-4b71-40bf-a967-f9cbb458e3aa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869121
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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 submitted file
Performs DNS queries to domains with low reputation
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 dnsIp2 2 Behavior Graph ID: 501545 Sample: Ord20210810837005935168.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 33 www.boraeresici.com 2->33 35 boraeresicicom.b-cdn.net 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 Ord20210810837005935168.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\Ord20210810837005935168.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 Ord20210810837005935168.exe 11->15         started        18 Ord20210810837005935168.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.332151.com 20->37 39 www.lakiernictwo.info 103.224.212.222, 49812, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 20->39 41 8 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 systray.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c31b2832f3fa186d1914475c1e3ca146f338f46b99dc996fae17f125c22da1c3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-08 17:19:52 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02a9e7458836d89cc02de2333176fcfdc9e462535e73e5b032f13e604b831b72
Formbook
129d230573fdb00a681a7f0c507bc16d2efcd08c4408f544f1d7653162b2cd92
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
64e3a0f2298f21833eb7a9c51aa0b2b8d3354bdcefb0156bb34371e3163d8b3d
Formbook
aba852eff9b53848b266228241991403993f7769587712794eb5f406ce4c9a6c
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
c1426732f06b03f0d2f0b2afd275bcd17ceb24d16174db630e10fab4fee09f04
Formbook
c538d07278546a17372bb56af4b1934fcda807564eab342f610aba866c2fa549
Formbook
c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d
Formbook
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
Formbook
+ 10'427 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gab8 loader rat suricata
Link:
https://tria.ge/reports/211012-2zjc2adbar/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.purodetalle.com/gab8/
Unpacked files
SH256 hash:
d4980e1c814b2634ca16d0f93e504fe115dab58ad70f2dcc11d1ea0635e49855
MD5 hash:
7be6054f6a3d93b5d862f61431a763e8
SHA1 hash:
65fb6d62870157813e5eb4734ca35eb083335f72
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b1f445e0-5f9e-484a-a714-1054848f1ee4/
Parent samples :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 hash:
c094de0d36e70e0cc2f9b754a907adb439c7cc3f747878a2471529fe576d3ebe
MD5 hash:
babb15dd1c4e6dbc841fd71f1c6a5d20
SHA1 hash:
d098192459d6c30a4d1674179e5da6c44a242289
Link:
https://www.unpac.me/results/b1f445e0-5f9e-484a-a714-1054848f1ee4/
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/b1f445e0-5f9e-484a-a714-1054848f1ee4/
SH256 hash:
c31b2832f3fa186d1914475c1e3ca146f338f46b99dc996fae17f125c22da1c3
MD5 hash:
172ecf92dbe9a7cb7063394d5281ead5
SHA1 hash:
eb1c705e50cb2b5bc994a1cdecc569696ee050fd
Link:
https://www.unpac.me/results/b1f445e0-5f9e-484a-a714-1054848f1ee4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c31b2832f3fa186d1914475c1e3ca146f338f46b99dc996fae17f125c22da1c3

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
Create hunting rule
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/197048/

Comments