MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d
SHA3-384 hash: fa072d9527861f8d31d90687d29dcacc4e8bc5ec7a5c4aae5957a1b563f8064788006f1c7f30b44c55aa0d6fe696e354
SHA1 hash: 069c96d4a9fb1ed9eaf6acc8b5b410803b38b8de
MD5 hash: 5d054d358e94c8b282b9c0e6ba2185c9
humanhash: sixteen-black-summer-dakota
File name:0000001239_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:563'712 bytes
First seen:2021-10-11 08:32:46 UTC
Last seen:2021-10-11 13:54:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:fSNB3UxOvePX94GhfHxzWorVKcaJQocYnKrnSO:4ixTPX94YPrVKcaCochS
Threatray 6'988 similar samples on MalwareBazaar
TLSH T108C44763D586C259C57483FCD22B738363255D22E8F9DA2E56723492173AF8128BF723
File icon (PE):PE icon
dhash icon 70e89296e8f0f071 (4 x AgentTesla, 2 x Formbook, 2 x LimeRAT)
Reporter pr0xylife
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0000001239_PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 09:03:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d14ee9d3-5047-4d98-8941-74505c9adb1e

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/196537/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6163f6c21c2d58ba740171cb/reports/9b3d40b0-0c5f-4e3b-9250-715fb4714b7e/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868083
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
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
Sigma detected: Suspicious Svchost Process
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: 500507 Sample: 0000001239_PDF.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 33 www.queenslandspirits.com 2->33 35 www.bestofsydney.info 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 9 other signatures 2->51 11 0000001239_PDF.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\0000001239_PDF.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 0000001239_PDF.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected 22 svchost.exe 15->22         started        process9 dnsIp10 39 www.countrycomfortlpggas.xyz 104.21.26.210, 49830, 80 CLOUDFLARENETUS United States 18->39 41 www.grandwincasinos.com 104.21.59.15, 49816, 80 CLOUDFLARENETUS United States 18->41 43 4 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 24 raserver.exe 18->24         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 24->57 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 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/c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 08:33:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yu6bbghemiocewgrhplmg3mvjezugeu4lbdpnqgka7askzo2qq6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02a9e7458836d89cc02de2333176fcfdc9e462535e73e5b032f13e604b831b72
Formbook
129d230573fdb00a681a7f0c507bc16d2efcd08c4408f544f1d7653162b2cd92
Formbook
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
64e3a0f2298f21833eb7a9c51aa0b2b8d3354bdcefb0156bb34371e3163d8b3d
Formbook
672ca84f8680ab545196dd1f961b3f456ae6b4ff1e0629fab96ed0625f22bbd1
Formbook
aba852eff9b53848b266228241991403993f7769587712794eb5f406ce4c9a6c
Formbook
c10f872ac7d56c5c8d5151eb8d5c3aba275f83bd55700c0dc38776a04b275175
Formbook
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
Formbook
f836093baf3255830126881722dc2edd86fd615fc922f86d177b0ccb0e3d2941
Formbook
+ 6'978 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sg5c loader rat
Link:
https://tria.ge/reports/211011-kfwetagfd2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.maquinadevendasonlinegrt.com/sg5c/
Unpacked files
SH256 hash:
01a38699b9233d3820076fc48b4c51fc2b05ffe267e0e8d35d49c46807bf4ce2
MD5 hash:
1ec6d90667c4b8276f3b0d9a256eb2a5
SHA1 hash:
b03444c137cedde1028f883dcafc29bfea992ac7
Link:
https://www.unpac.me/results/90eddd21-f852-40dd-a56c-4dd9a926c9d9/
SH256 hash:
c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d
MD5 hash:
5d054d358e94c8b282b9c0e6ba2185c9
SHA1 hash:
069c96d4a9fb1ed9eaf6acc8b5b410803b38b8de
Link:
https://www.unpac.me/results/90eddd21-f852-40dd-a56c-4dd9a926c9d9/
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/c53c1098e4621c2258d13bd6c36d95493343129c5846f6c0ca07c12565da843d

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.

Cape
Cape
https://www.capesandbox.com/analysis/196537/

Comments