MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a803baeae3e3a6d11b39b8a3df5bd4454fb50a3d950c19071e7f8d4ecd545237. 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: a803baeae3e3a6d11b39b8a3df5bd4454fb50a3d950c19071e7f8d4ecd545237
SHA3-384 hash: 68c1c8c128cf2a440edd7c6651682b410af48bdfeedda119cdccc6e6ce3f8a0b853a07305660dbc9f6e77ac8e7126282
SHA1 hash: f5e48582c1edf65b4410e280f171cf992136e217
MD5 hash: 32b61efed665369f276fc0e23a4bdc7a
humanhash: mirror-connecticut-florida-hot
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:702'464 bytes
First seen:2023-01-26 07:29:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:fSkOvbnR8ey/ZhxCXDPzFqIGsAFzTrlt9CC1g3BX/cDWu:rvxAXGZFJV2RX/cau
TLSH T147E4AD1023EC9F40F6BA4B789679509213B77C977573E21D8EC120EE4EB2B14AB45727
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 7eeceeccd6c2f2f2 (14 x Formbook, 9 x AgentTesla, 8 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-26 07:29:50 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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 792063 Sample: DHL Notification_pdf.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 36 www.appliances4lessboise.com 2->36 38 appliances4lessboise.com 2->38 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 9 other signatures 2->50 11 DHL Notification_pdf.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\...\DHL Notification_pdf.exe.log, ASCII 11->28 dropped 14 DHL Notification_pdf.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 5 6 14->17 injected process8 dnsIp9 30 www.118wang.com 107.149.195.181, 49699, 80 PEGTECHINCUS United States 17->30 32 www.pasaportenicaraguense.net 17->32 34 3 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Uses netstat to query active network connections and open ports 17->42 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2023-01-26 07:25:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
14 of 26 (53.85%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sz17 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
a16f5a11f2ec39ab4f48ae836644918a0284e8bb03119f845488211881dcb0b0
MD5 hash:
f7959b08c0865e7dd04a9e03fee68b91
SHA1 hash:
e6959ad28cc83914b940df147fde69af84f57710
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
SH256 hash:
445e17ed696efdef52682fcc43a0cf5fa05571cbd6c1b8b217a712f9e32da901
MD5 hash:
9b89596f14a44088bc4663ebb9053ed3
SHA1 hash:
a3e38c4d22f90cafbfe8ce0704766d1269d0aa0f
SH256 hash:
a803baeae3e3a6d11b39b8a3df5bd4454fb50a3d950c19071e7f8d4ecd545237
MD5 hash:
32b61efed665369f276fc0e23a4bdc7a
SHA1 hash:
f5e48582c1edf65b4410e280f171cf992136e217
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 a803baeae3e3a6d11b39b8a3df5bd4454fb50a3d950c19071e7f8d4ecd545237

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments