MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 496812217f923899da536782942ea5c95a679d55552ab81c8ec2c15c9ba58502. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 496812217f923899da536782942ea5c95a679d55552ab81c8ec2c15c9ba58502
SHA3-384 hash: 8bc93dcc52d5a89abe18db3a79ac800f30277dbbf742ba7f9b27930480c1f149482efd77d2f28b2955aa55ee63a76f08
SHA1 hash: 0f441ba23572e9884873c4e3151342b354cba048
MD5 hash: 3fd20182a833020d50543d952d69db33
humanhash: hot-robert-cup-item
File name:PURCHASE ORDER-PDF-.exe
Download: download sample
Signature Formbook
File size:723'968 bytes
First seen:2023-05-22 08:46:25 UTC
Last seen:2023-05-29 09:53:47 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 12288:FTVx0YPX/NqPsD0GE8vJKenfu5Y6N6JDw2PN07UeXl1qKIRM:FTgHPsAGEyoam5Y6V2l07UiIR
Threatray 2'989 similar samples on MalwareBazaar
TLSH T15CF4F1D11A988D15E6AA9FB959B3F63053757C91DF23870928E42C8B7C66B827F007C3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 224472b2a0c04280 (13 x AgentTesla, 10 x Formbook, 8 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
235
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PURCHASE ORDER-PDF-.exe
Verdict:
Malicious activity
Analysis date:
2023-05-22 08:50:26 UTC
Tags:
formbook xloader

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 872473 Sample: PURCHASE_ORDER-PDF-.exe Startdate: 22/05/2023 Architecture: WINDOWS Score: 100 57 www.greenarrow-advisors.com 2->57 59 greenarrow-advisors.com 2->59 73 Snort IDS alert for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 9 other signatures 2->79 11 PURCHASE_ORDER-PDF-.exe 7 2->11         started        15 mHCANj.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\mHCANj.exe, PE32 11->49 dropped 51 C:\Users\user\...\mHCANj.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpC9D1.tmp, XML 11->53 dropped 55 C:\Users\user\...\PURCHASE_ORDER-PDF-.exe.log, ASCII 11->55 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Adds a directory exclusion to Windows Defender 11->89 91 Tries to detect virtualization through RDTSC time measurements 11->91 17 PURCHASE_ORDER-PDF-.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        93 Multi AV Scanner detection for dropped file 15->93 95 Machine Learning detection for dropped file 15->95 97 Injects a PE file into a foreign processes 15->97 24 mHCANj.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 28 explorer.exe 1 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 61 www.bcerviews.org.uk 199.59.243.223, 49697, 80 BODIS-NJUS United States 28->61 63 www.hulihuli.net 137.220.158.165, 49698, 80 BCPL-SGBGPNETGlobalASNSG Singapore 28->63 99 System process connects to network (likely due to code injection or exploit) 28->99 38 systray.exe 28->38         started        41 control.exe 28->41         started        43 autofmt.exe 28->43         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 38->81 83 Maps a DLL or memory area into another process 38->83 85 Tries to detect virtualization through RDTSC time measurements 38->85 45 cmd.exe 1 38->45         started        process14 process15 47 conhost.exe 45->47         started       
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Status:
Malicious
First seen:
2023-05-22 03:09:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae30 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b56fd59488310faed9f321af83f087656ac3c3c7d0e38f2d21a4283ed8b077a3
MD5 hash:
282ebb9b52249c2d2d05c07a3f73bb5a
SHA1 hash:
987b1df03d441c27d03b18b0ae9c3cc16570231b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
b5b28fb2ccdcb38ef033d7c2e69fce6f908fce4690527752ced0611515b371b4
MD5 hash:
b7e93c3ec3a96365db401fcc01a1a4ea
SHA1 hash:
d929072ed528fa389ac4f80f7bf57bb6cde540d0
SH256 hash:
4c7ce432433fc3a8b0a33d558e0041d3f1c222224c5e61f33104d990a534c7a4
MD5 hash:
e8d756b4e2de5a67446e0b1b80e1bb99
SHA1 hash:
b664448f87ac044a16706d35e5d76538ba79508a
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
0bf23e2d98d61dc8377d1b7093bb359545a0d2804c9fb2ee32a6d2b91b00c2ad
MD5 hash:
05b3bc2e754cbe35ba2af396d91796d5
SHA1 hash:
4dfcc274d8cf7c0b77c6a775f4acba884b6db21c
SH256 hash:
496812217f923899da536782942ea5c95a679d55552ab81c8ec2c15c9ba58502
MD5 hash:
3fd20182a833020d50543d952d69db33
SHA1 hash:
0f441ba23572e9884873c4e3151342b354cba048
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: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 496812217f923899da536782942ea5c95a679d55552ab81c8ec2c15c9ba58502

(this sample)

  
Delivery method
Distributed via e-mail attachment

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