MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
SHA3-384 hash: f918128af97fd005c549d1e7ab034d583bfe4a83a01e2f389ad93d5c48e8071ddd3493f09ac9757d06bc4c32a6242e25
SHA1 hash: ff9a5269ff9a62fa85594ced09476997b2f9a74b
MD5 hash: 8d8fb9b71e458e17ff3ddb7b05a290a1
humanhash: may-seventeen-fish-zulu
File name:ZTRADE0021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'048'064 bytes
First seen:2021-03-03 07:30:20 UTC
Last seen:2021-03-03 09:39:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:h3EDkmh+0wuCbmTKeyOPszUFVYzEWLnKRWu3/b:h7uAGKCMUEFLKRt
TLSH 9025AED816A97CD4F1B1DF30A9F921E1A2F57933E60DE54A3466E2F5702A891CB70338
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: getemails.site
Sending IP: 103.82.25.187
From: Şafak Güzin <admin@getemails.site>
Reply-To: Şafak Güzin <etechnotrade1@hotmail.com>
Subject: Need Price proposal Methacrylic Anhydride (MAAH) and PBO
Attachment: ZTRADE0021.rar (contains "ZTRADE0021.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZTRADE0021.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-03 08:16:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/be3a7076-a5c7-45ba-8d1e-d6df484d14db

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/121256/
Detection(s):
SecuriteInfo.com.Artemis8D8FB9B71E45.30640.18093.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
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/625782
Signature
.NET source code contains very large strings
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 361878 Sample: ZTRADE0021.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 33 www.medicalppenews.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 8 other signatures 2->47 11 ZTRADE0021.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\ZTRADE0021.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 ZTRADE0021.exe 11->15         started        18 ZTRADE0021.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.kitchinz.com 41.203.18.177, 49758, 80 xneeloZA South Africa 20->35 37 deitey.club 95.215.210.10, 49759, 80 NEWIT-ASRU Russian Federation 20->37 39 16 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 WWAHost.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 07:31:17 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dojrcns2ydbxdz7dmvwy3eduuzkl772go7qhj52u4uctxsraakma._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210303-kdrxeyghr6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.wanxulong.com/i8rz/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/62d665a7-b2bb-4171-81d5-7d1ea1ccc5d9/
SH256 hash:
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
MD5 hash:
8d8fb9b71e458e17ff3ddb7b05a290a1
SHA1 hash:
ff9a5269ff9a62fa85594ced09476997b2f9a74b
Link:
https://www.unpac.me/results/62d665a7-b2bb-4171-81d5-7d1ea1ccc5d9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298

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

File information

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

Malspam

Formbook

rar 2d00537152e3a252eaa66b239efffa21806f4e2ba5c8abeac6ed38a1891fbc0f

Formbook

Executable exe 1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298

(this sample)

  
Dropped by
MD5 10d45a2a2db8c7c52e021c33cd91ffb9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/121256/
  
Dropped by
SHA256 2d00537152e3a252eaa66b239efffa21806f4e2ba5c8abeac6ed38a1891fbc0f

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