MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed. 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: 52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed
SHA3-384 hash: bbb4860aeaaba38c7c5488c55aed6cb074813db60c497a4a1bad579fba8db0dc5842f5b2236cf409be50e09ea836be29
SHA1 hash: 4f72008c13d0cc8b8c2ad3c961887513f1cf314e
MD5 hash: e5ed5c8ab5839398dd87bdfd6b489726
humanhash: tennis-april-cat-wolfram
File name:e5ed5c8ab5839398dd87bdfd6b489726.exe
Download: download sample
Signature Formbook
File size:655'360 bytes
First seen:2022-04-12 12:44:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:PkKUk6/Eu4qBacz0eT3a6dtMIGpx6S5LPu21lwNujGagVgz:PkKX6/EFqBaep7aqHGpxn5LW2cN71m
TLSH T191D4F1257BEC8616E5BE13BDE474008047F6732B6827E3BD5A0560DA3D633C0D647AAB
File icon (PE):PE icon
dhash icon 73432b4d556d597d (15 x SnakeKeylogger, 14 x AgentTesla, 12 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e5ed5c8ab5839398dd87bdfd6b489726.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 03:15:34 UTC
Tags:
n/a

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 custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand.exe 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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607957 Sample: SR49j9R3PX.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 8 other signatures 2->40 10 SR49j9R3PX.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\SR49j9R3PX.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 SR49j9R3PX.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 14->17 injected process8 dnsIp9 30 www.aihongyan.com 23.231.87.220, 49816, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 17->30 32 www.accedabancsabadell.com 193.106.191.124, 49809, 80 BOSPOR-ASRU Russian Federation 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 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 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:
2022-04-12 08:03:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
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:g02e rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
SH256 hash:
57a5c01576b16b482469de12ae763fb6000d0f1aa4c33a51a0c73c5166425ecd
MD5 hash:
41406ca98eb0438cc338d14149aa3d87
SHA1 hash:
385b01e96a60c3d7afe5a1239fe71a1add9d63cd
SH256 hash:
1fa198050ebad57280307afca6513c4cc766a016a01d500fd4517d507dbde24f
MD5 hash:
a4243dbdf86380870f544c57121fa142
SHA1 hash:
0ab4a5cce593d6a69c3a5cf6703b3f3068babfa4
SH256 hash:
52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed
MD5 hash:
e5ed5c8ab5839398dd87bdfd6b489726
SHA1 hash:
4f72008c13d0cc8b8c2ad3c961887513f1cf314e
Malware family:
FormBook
Verdict:
Malicious
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.

Web download

Formbook

Executable exe 52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed

(this sample)

  
Delivery method
Distributed via web download

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