MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51. 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: 36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51
SHA3-384 hash: 6a046619403cd25699ef39cdc31bca00e000a7a88b3b7c1bdba7707ac5cd03d97886861c9d1499f380e8c5ae35a6b579
SHA1 hash: 17e76ee36e4a5161384d6c503387ebb45ade8c3e
MD5 hash: 88a0a19c812c63afd3ee685bb35613da
humanhash: california-johnny-stairway-hydrogen
File name:Arrival Notice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:738'816 bytes
First seen:2021-08-31 18:17:14 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 12288:6LbAMXM1Q1zMghlqrtLANAlaYMG015lnuj/8a3h:8bA71QCANf1zuoax
Threatray 8'674 similar samples on MalwareBazaar
TLSH T17AF41D7F19BDA2278175C6F58BE38827F0108B6F3110696476D347264322A7AB5F336E
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Arrival Notice.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 18:19:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/99694074-ece4-49e8-bc2a-3f37310d26a8

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/184286/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader41.53008.3560.9099.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d7bd539c-452a-4f29-8e29-350110ed7c50
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842894
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 dnsIp2 2 Behavior Graph ID: 475325 Sample: Arrival Notice.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 31 www.jazabelle.com 2->31 33 jazabelle.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 Arrival Notice.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Arrival Notice.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Arrival Notice.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.stephwoodwrites.com 199.34.228.72, 49737, 80 WEEBLYUS United States 18->35 37 trinitydevelopmentalcenter.com 160.153.136.3, 49738, 80 GODADDY-AMSDE United States 18->37 39 11 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-31 08:04:01 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3c4ztzusfeqf2pg6kst6mgt56zscwvj25iwuxswvol5fiuhvriq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
40872d476cb128d49b27f28680b5154cd9f3bf786b57cff13d627f35a2ee3701
Formbook
5955bf6676d1f4d7e9e12f2201674381535d24bd88bd480feda425839841ecaf
Formbook
61be8eb2905c08febca2821b39701ea6a361ae21e807866d240b3b122221cf62
Formbook
6f1507120710fd267c7d2b6aa1d63cec192e4eb904675f260a8e2e18ebfc4b99
Formbook
a086821049463b0bfc414cb3763c4f82688182d2d018ae5c9cd472f59f9e36ff
Formbook
ba16d80b218d269fcc8beb82c0c21b9533f5976fd2af0c873d5598e6f4e90307
Formbook
cb5d83a08a825fccf4a52e24c65f51b995ec34053194d7ff749fced8cc5d3fc6
Formbook
dd4114ea355d3f70e7683fb8491e2499347b6133bd9ef6d094a0cb6ad8aa4609
Formbook
ea0398e9c644309652d60f4261c03ba7aa64bf8fddd4960c7e65fcb732af4530
Formbook
f7e96b7c6612b709e413bbc8c72796cadbb7ce91ed17ec77d5ba4d4422e729cb
Formbook
+ 8'664 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ez2z loader rat
Link:
https://tria.ge/reports/210831-m7g3zeheza/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.chriswrightt.com/ez2z/
Unpacked files
SH256 hash:
9bb10143529b352355973013530be8a00a5d86899dcdfc5e1f36ec2aa1bde922
MD5 hash:
370cb6c86ad1787d32d319860dba4d66
SHA1 hash:
17103be76d37044ee7028c3ce0228f3f8cbc229c
Link:
https://www.unpac.me/results/50436035-084f-464b-a164-564a1bc3c850/
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/50436035-084f-464b-a164-564a1bc3c850/
SH256 hash:
e0c99291ae7b961fe14792c39ed22172f1a407161c66b3e7a58a61e56774072f
MD5 hash:
6435a3d6fb444d2e8679ee00b1b2f25b
SHA1 hash:
37419ce689c6cbbcbd27daa44b5e35088be3e91c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/50436035-084f-464b-a164-564a1bc3c850/
Parent samples :
cb5d83a08a825fccf4a52e24c65f51b995ec34053194d7ff749fced8cc5d3fc6
ba16d80b218d269fcc8beb82c0c21b9533f5976fd2af0c873d5598e6f4e90307
36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51
52c83128a5afe81533f6683e9fe4d53c6a00dd3b0650ee6136528114bef6117e
19445d7251f9c133c6bf786d987a6e333f6fcb0832f974a273ab73202a2e40c9
SH256 hash:
36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51
MD5 hash:
88a0a19c812c63afd3ee685bb35613da
SHA1 hash:
17e76ee36e4a5161384d6c503387ebb45ade8c3e
Link:
https://www.unpac.me/results/50436035-084f-464b-a164-564a1bc3c850/
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/36c5cccf34914902e9e6f2a53f30d3efb3215aa9d7516a5e56ab97d2a287ac51

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/184286/

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