MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0. 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 4 File information Comments
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SHA256 hash: 5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0
SHA3-384 hash: efe813ec364e790317f27e42150fbefb69d8b36feb716af6a1056d7fab0f701da2c83f8a12dd48530d10ec758b488f45
SHA1 hash: a07776913a49ea5584e16348b28330f7cb8b9efd
MD5 hash: 32d9177b3593932c8b89e95446e19eed
humanhash: earth-grey-montana-tennis
File name:VM Accord, ORDER TKHA-A88160011B.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:880'128 bytes
First seen:2021-09-06 11:56:25 UTC
Last seen:2021-09-06 17:29:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:9X7Zfn95DYVUpwg9jYXoc3eYjLteK5iySy/7:t7Zf9u6pwg9Yz3/jLjFSy/7
Threatray 9'050 similar samples on MalwareBazaar
TLSH T1BD152E3E18FE2327D165D6F5CBE0C823B2D09CAF3122A96167D75B665316B4634C322E
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
10
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VM Accord, ORDER TKHA-A88160011B.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-06 11:59:31 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/d1370090-4484-45d2-99da-96d52793b424

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/185646/
Detection(s):
Sanesecurity.Rogue.0hr.20210906-1103.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
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/54654177-8cff-4d3f-832e-255c17088598
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845959
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
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
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478390 Sample: VM Accord, ORDER TKHA-A8816... Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 33 www.marketingprivacyofficer.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 12 other signatures 2->47 11 VM Accord, ORDER TKHA-A88160011B.pdf.exe 3 2->11         started        signatures3 process4 file5 31 VM Accord, ORDER T...160011B.pdf.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 VM Accord, ORDER TKHA-A88160011B.pdf.exe 11->15         started        18 VM Accord, ORDER TKHA-A88160011B.pdf.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.my2ndme.com 81.19.154.98, 49730, 80 WORLD4YOUAT Austria 20->35 37 www.correcttheerror.com 91.195.240.13, 49733, 80 SEDO-ASDE Germany 20->37 39 10 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-06 07:54:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=las2522djfauik3g2imejfg53uofabkf4mxeugoovk5azo6yvxaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ccdc34a2258984fb0df40dd979f71d4c11bce12cb6e840e90fbd9281254ade6
Formbook
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
Formbook
45fda70b08542ae52a8228a61e317973f42b477583841e384e9817d7d2dd3709
Formbook
47add606e2f5ed4596bffd9f0345e35164c80071efbb0dc4e7b29d1d62391a6e
Formbook
5349c12829e9211379203cade48f7d00777a66b4cb898d68764da90890aae048
Formbook
55f20748f621bf247877b71a3682640e5ec013d51c52363b5c51cca50b44c1bf
Formbook
639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3
Formbook
660708a7f99d26de87386ca21682b96179f16f2dbc67578a704cb94d78e9848f
Formbook
6bb8fa14bf9c650a67541ffedff2e3f1c055454b90489653c95aa39284d7eb92
Formbook
cf993c713cfe3b22bd4978530f420e2dc54c38d106ad5fc5a9aacb1e377b81e2
Formbook
+ 9'040 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ntem loader rat
Link:
https://tria.ge/reports/210906-n4k6jabad4/
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.ransoneransone.com/ntem/
Unpacked files
SH256 hash:
52fc841a6dd0da6ee5577dfeed1e5824ea6447bb4e27511ea0b679490e36f54a
MD5 hash:
a19edb18591f07ec54557fc82c778ed5
SHA1 hash:
eb635efb80e7c40a14cf7350d4e136690ab71d86
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d16abcdb-70df-4510-a4fb-4f52c954680c/
Parent samples :
5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0
083652d241877c1d5b89477de317ceea0cf34bb4f790c59e597fd5ba33184aff
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/d16abcdb-70df-4510-a4fb-4f52c954680c/
SH256 hash:
5bb5ff7c7d36207007638acf16914fc7d43bf4ab1b618a9d694c1d71d90acc8e
MD5 hash:
e10766d0b3a0fce356a92bc6db761ad1
SHA1 hash:
8bde43a201535da82bce6edbb8b4565584a66b0f
Link:
https://www.unpac.me/results/d16abcdb-70df-4510-a4fb-4f52c954680c/
SH256 hash:
5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0
MD5 hash:
32d9177b3593932c8b89e95446e19eed
SHA1 hash:
a07776913a49ea5584e16348b28330f7cb8b9efd
Link:
https://www.unpac.me/results/d16abcdb-70df-4510-a4fb-4f52c954680c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5825aeeb4349/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

7z 43d253235a7ea6fd9ddad78fa30da21f66201df047be1c5d0900dc3cff957c75

Formbook

Executable exe 5825aeeb434941442b66d2184494dddd1c500545e32e4a19ceaaba0cbbd8adc0

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 43d253235a7ea6fd9ddad78fa30da21f66201df047be1c5d0900dc3cff957c75
Cape
Cape
https://www.capesandbox.com/analysis/185646/

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