MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9debd6df5b79a499fd3ef785efcc1de6139ea74e7696c7cf40809228877c466. 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

SHA256 hash: c9debd6df5b79a499fd3ef785efcc1de6139ea74e7696c7cf40809228877c466
SHA3-384 hash: 26ee146318089ca3094e78d8be64f348cbf6aee6f48bc3834949e02c0ce493e3339d74a1db8a43924f463b705e270a66
SHA1 hash: 67327a20694b05f130e75bff454238f41d017441
MD5 hash: df2594e69bd26ca34e5b9531ebcce1f9
humanhash: green-iowa-hamper-mike
File name:order comfirmation.exe
Download: download sample
Signature Formbook
File size:859'648 bytes
First seen:2021-08-27 11:17:01 UTC
Last seen:2021-08-27 13:41:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:b1zYW9bZhjrJ/sv3plinm5Z5USlCZ7+aTGGxXS1aSXA:5YCbZprZsPplthgZHTGGxXiaSQ
Threatray 8'690 similar samples on MalwareBazaar
TLSH T19D054C3C29BD2227D179C7B9CBE0C837F0549DAF3111AA6464D78B6A5356E8235C323E
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
383
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bb.exe
Verdict:
Malicious activity
Analysis date:
2021-08-27 14:28:59 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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)
Performs DNS queries to domains with low reputation
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 472797 Sample: order comfirmation.exe Startdate: 27/08/2021 Architecture: WINDOWS Score: 100 37 www.beautifulbodyz.com 2->37 39 beautifulbodyz.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 10 other signatures 2->53 11 order comfirmation.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\tmpB073.tmp, XML 11->33 dropped 35 C:\Users\user\AppData\...\tlePDTswNKcc.exe, PE32 11->35 dropped 63 Injects a PE file into a foreign processes 11->63 15 order comfirmation.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.artandscience.info 185.68.16.170, 49724, 80 UKRAINE-ASUA Ukraine 20->41 43 www.dovetailgoodlife.xyz 104.21.49.136, 49726, 80 CLOUDFLARENETUS United States 20->43 45 9 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 26 msiexec.exe 20->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-27 10:54:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:pz9b loader rat
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.generalplex.com/pz9b/
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
27a8630f0e06c55e6e0d5bd1ead26081e6448a8dfd7a8f912157d1643a598d9f
MD5 hash:
6c8447d00d0d184f1046a9d2ceb2703d
SHA1 hash:
3a77d4d8441a99e547f2b33e4f017df56a3c04e7
SH256 hash:
c9debd6df5b79a499fd3ef785efcc1de6139ea74e7696c7cf40809228877c466
MD5 hash:
df2594e69bd26ca34e5b9531ebcce1f9
SHA1 hash:
67327a20694b05f130e75bff454238f41d017441
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 c9debd6df5b79a499fd3ef785efcc1de6139ea74e7696c7cf40809228877c466

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments