MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803
SHA3-384 hash: 4fee57558fc23c5cb18d1c7cf915311083f41273ba4c5390b5d09fb85e3ce03e86146951d8afc63c16aebce9ddf01fdd
SHA1 hash: 4b59a3e3ea4e59eda3f06cd08c88d9157c7f3a73
MD5 hash: d27cc0f142bbe44c02829cf0d4c38115
humanhash: seven-december-louisiana-white
File name:Purchase Order - 10,000 MT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:626'176 bytes
First seen:2021-11-03 14:27:37 UTC
Last seen:2021-11-04 11:51:53 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:q1vIbw8eGUMo14OrW0ylltyL7d8gHKz9McI1jzfxTb1qOtGr:Owbw8eGUR1BrI7oKz/Cj9Tb1
TLSH T1E3D44A096205C143E3143AB0D4696FF05350AF7CF503DB6FAD453E5BFAB2B980D629AA
File icon (PE):PE icon
dhash icon ae92d2b2eacca49a (11 x AgentTesla, 9 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order - 10,000 MT.exe
Verdict:
Malicious activity
Analysis date:
2021-11-03 14:41:18 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/21ab9dc1-bef5-4e56-9610-92be0391589d

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/201877/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1092.13183.4375.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61829c749982ff7c3f7d89cb/reports/05fb1076-2755-4b66-8002-19e74e762719/overview
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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/882324
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
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
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: 514756 Sample: Purchase Order - 10,000 MT.exe Startdate: 03/11/2021 Architecture: WINDOWS Score: 100 30 www.howdoiauction.com 2->30 32 www.arianpars-motor.com 2->32 34 howdoiauction.com 2->34 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 10 Purchase Order - 10,000 MT.exe 3 2->10         started        signatures3 process4 file5 28 C:\...\Purchase Order - 10,000 MT.exe.log, ASCII 10->28 dropped 13 Purchase Order - 10,000 MT.exe 10->13         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Sample uses process hollowing technique 13->64 66 Queues an APC in another process (thread injection) 13->66 16 help.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 42 Self deletion via cmd delete 16->42 44 Modifies the context of a thread in another process (thread injection) 16->44 46 Maps a DLL or memory area into another process 16->46 48 Tries to detect virtualization through RDTSC time measurements 16->48 22 cmd.exe 1 16->22         started        36 http-redir.myown.be 193.189.135.15, 49814, 80 MYOWN-AShttpswwwmyowneuBE Belgium 19->36 38 www.bylennonbeauty.net 94.136.40.51, 49816, 80 GD-EMEA-DC-LD5GB United Kingdom 19->38 40 11 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 24 autochk.exe 19->24         started        signatures10 process11 process12 26 conhost.exe 22->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-11-03 14:28:05 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2mjb53caxcci35j6xcdxub6cpohqwhdyylzvv5tumaifzpe3rabq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:z4m5 loader rat suricata
Link:
https://tria.ge/reports/211103-rs1nmabber/
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.cr-genius-world.biz/z4m5/
Unpacked files
SH256 hash:
a72447a5a568f446d77039bec3c4245729fd5b5e31d29ae5336b37e3fb501059
MD5 hash:
cd39641c7f80fec32cdfcb31b3d85484
SHA1 hash:
70c84fdb505625cec9a41f6662b814f9d510eaf0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fde70db4-619b-4aae-8bf1-b471eb205bba/
Parent samples :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 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/fde70db4-619b-4aae-8bf1-b471eb205bba/
SH256 hash:
81ea82c9596d18205f3bef06732dd33ca43491bdbb8491ab0a37a49be1d18b8b
MD5 hash:
bf192dbcd855abe04087436fbfa82f38
SHA1 hash:
1c8405b2bad9666cc84f91fb2dd8fb871a9ce436
Link:
https://www.unpac.me/results/fde70db4-619b-4aae-8bf1-b471eb205bba/
SH256 hash:
d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803
MD5 hash:
d27cc0f142bbe44c02829cf0d4c38115
SHA1 hash:
4b59a3e3ea4e59eda3f06cd08c88d9157c7f3a73
Link:
https://www.unpac.me/results/fde70db4-619b-4aae-8bf1-b471eb205bba/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d3121eec40b8/report/overview.html
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/d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803

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

Executable exe d3121eec40b8848df53eb8877a07c27b8f0b1c78c2f35af67460105cbc9b8803

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201877/

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