MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5e186f373c99f75db50a9b6689f835d4c141c6f369fa63d58da21b5fa13e90d. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: b5e186f373c99f75db50a9b6689f835d4c141c6f369fa63d58da21b5fa13e90d
SHA3-384 hash: 5a97fb79b7637e64fbe2827c8ba1ca24dbaaa44bfc57a8ad9b88e852d4f539807590a859e840c99d5ff99ac1b268c769
SHA1 hash: c284e6a8119a5f820654933719e4cd2c189df405
MD5 hash: 639399a6f01b51574bfd5d02053a5bc6
humanhash: kilo-rugby-bluebird-bulldog
File name:Advance Payment-pdf.exe
Download: download sample
Signature Formbook
File size:623'104 bytes
First seen:2022-05-27 13:28:59 UTC
Last seen:2022-05-27 14:45:00 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:B5bHo6U8T8/rg8m+T5BRinfx/yNtCYvahRkwJ3koKuhFr8:B5bHo62rPRinfScNJfKEFr8
TLSH T107D4020CEB62A9E9F16D07BF3475A8262F509B32D8BED95D78A432561D34793004BCCB
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Advance Payment-pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-27 13:29:52 UTC
Tags:
formbook trojan stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Result
Verdict:
MALICIOUS
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
Adds a directory exclusion to Windows Defender
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 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
Self deletion via cmd or bat file
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 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: 635133 Sample: Advance Payment-pdf.exe Startdate: 27/05/2022 Architecture: WINDOWS Score: 100 48 www.cravestronginfo.com 2->48 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 13 other signatures 2->62 10 Advance Payment-pdf.exe 7 2->10         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\TREzwAwBkDkyB.exe, PE32 10->38 dropped 40 C:\...\TREzwAwBkDkyB.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9B29.tmp, XML 10->42 dropped 44 C:\Users\user\...\Advance Payment-pdf.exe.log, ASCII 10->44 dropped 72 Adds a directory exclusion to Windows Defender 10->72 14 Advance Payment-pdf.exe 10->14         started        17 svchost.exe 10->17         started        20 powershell.exe 24 10->20         started        22 schtasks.exe 1 10->22         started        signatures6 process7 dnsIp8 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 24 rundll32.exe 12 14->24         started        28 explorer.exe 14->28 injected 46 time.windows.com 17->46 82 System process connects to network (likely due to code injection or exploit) 17->82 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        signatures9 process10 dnsIp11 64 System process connects to network (likely due to code injection or exploit) 24->64 66 Self deletion via cmd or bat file 24->66 68 Modifies the context of a thread in another process (thread injection) 24->68 70 2 other signatures 24->70 34 cmd.exe 1 24->34         started        50 www.herbalifego.store 28->50 52 shops.myshopify.com 23.227.38.74, 49866, 80 CLOUDFLARENETUS Canada 28->52 54 6 other IPs or domains 28->54 signatures12 process13 process14 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-27 00:07:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
11d3d6e851950c3e115004e5f33d8b9d9c9595620577c90d1f0b668405ca35b5
MD5 hash:
d9099c682ead9c99c1480a42609b92da
SHA1 hash:
b97c8b61fc0a557c0995df4dc4359c14a390548d
SH256 hash:
3084f5ea30b58e73e64b9843b9fa924f515695e521e334c40230325a44d1fd1d
MD5 hash:
c0bf592fb03174ad479f098a975acd2a
SHA1 hash:
7e706cd4c341171ceea24482fdd336a2132c5bd4
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
SH256 hash:
b5e186f373c99f75db50a9b6689f835d4c141c6f369fa63d58da21b5fa13e90d
MD5 hash:
639399a6f01b51574bfd5d02053a5bc6
SHA1 hash:
c284e6a8119a5f820654933719e4cd2c189df405
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.

  
Delivery method
Other

Comments