MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4
SHA3-384 hash: 013b735071be54f2a07bda8b12f49c55c9bd28699bdf422b53b1a2875d58ff57d0239e4e8a8c0ff6e14a91c47892ee42
SHA1 hash: 76bfbb6424ee41f5a2ae9b06ff77fd5cb73c50b5
MD5 hash: a0229bef9a286e605ed3bb2e6af8e7a9
humanhash: bacon-william-march-missouri
File name:Payment Notice.exe
Download: download sample
Signature Formbook
File size:833'536 bytes
First seen:2023-02-01 08:22:22 UTC
Last seen:2023-02-01 09:41:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:eeEaLIWJ/rXl7N6Mk/P/iMhZcI2CfUvygvr8z9i7+pv5c4N34m:eeEaLXJ7jihZcIVfU6qr8zw6R5c4N34
TLSH T127055B8137F15462F1DB05B9102876881E3D7403A6E6E2675BBB79C49703AFBF298F12
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 8219e62b2bc61982 (10 x AgentTesla, 4 x Formbook, 3 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
186
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment Notice.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 08:23:34 UTC
Tags:
formbook xloader trojan 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
Launching a process
Launching cmd.exe command interpreter
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
Injects a PE file into a foreign processes
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795753 Sample: Payment Notice.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 10 Payment Notice.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Payment Notice.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Payment Notice.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 4 1 14->17 injected process8 dnsIp9 30 jh1279.bgf366.com 147.92.45.196, 49698, 80 DNC-ASDimensionNetworkCommunicationLimitedHK Hong Kong 17->30 32 adac-parts.com 162.0.209.252, 49697, 80 ACPCA Canada 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-01 01:35:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
b5e846cb2ae3f53578599d1893648733b894daabf5742d9a0ca2a4cd1ff3a835
MD5 hash:
5b40b7c5cf8357b9ed73f618265b7645
SHA1 hash:
ee3e4d36ba541fc8c8e730b46e8abf69f0921952
SH256 hash:
7bda8e63707adb10463627903f90108f87a21dd35d78f80534db26defeccc2bd
MD5 hash:
62c216ce2f428d3afaba8282c78b8a39
SHA1 hash:
bdfdd0c80acb162b85b52e0fbd9db92ae39a0692
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4
MD5 hash:
a0229bef9a286e605ed3bb2e6af8e7a9
SHA1 hash:
76bfbb6424ee41f5a2ae9b06ff77fd5cb73c50b5
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 03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments