MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3e71a337d58b6ae1f49be4a5d89258ce11dc33b86c0a6f3ca93c16170dc500c. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: d3e71a337d58b6ae1f49be4a5d89258ce11dc33b86c0a6f3ca93c16170dc500c
SHA3-384 hash: 6846b7c1338254d931377dc598fdf9be39bfe72b81d4487790574bc2e0810f11051a200fa1c9559e1658c9ba09b486e3
SHA1 hash: 8d74d1d2ffd443fd6cee3078ffab3411305d5cf7
MD5 hash: 0a714b10c9d1770ba23576cefd65a0f9
humanhash: cardinal-three-blossom-arkansas
File name:PO TKHA-A8816001.exe
Download: download sample
Signature Formbook
File size:801'280 bytes
First seen:2023-11-07 14:19:10 UTC
Last seen:2023-11-07 16:39:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:GVpBxh4EA1+URy4OD1LtG3vXiB5lFET2XYwjtBbJWx+eyt7qMnFPzi31sbIdkMB6:aw9nOh4vSs8Yszu+5tfPziFsbYkMB6
Threatray 92 similar samples on MalwareBazaar
TLSH T1B105D031227E6FABD93B43F54550454443F26E6924BEE71A4DC6B0DF9EA9F400A82F23
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
321
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1338248 Sample: PO_TKHA-A8816001.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 52 www.ikun720.xyz 2->52 54 www.vjty2974.com 2->54 56 11 other IPs or domains 2->56 66 Multi AV Scanner detection for domain / URL 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 74 6 other signatures 2->74 10 PO_TKHA-A8816001.exe 7 2->10         started        14 LFIeVDtgsEen.exe 5 2->14         started        signatures3 72 Performs DNS queries to domains with low reputation 52->72 process4 file5 48 C:\Users\user\AppData\...\LFIeVDtgsEen.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpF7D9.tmp, XML 10->50 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 10->86 88 Adds a directory exclusion to Windows Defender 10->88 90 Injects a PE file into a foreign processes 10->90 16 PO_TKHA-A8816001.exe 10->16         started        19 powershell.exe 23 10->19         started        21 schtasks.exe 1 10->21         started        27 3 other processes 10->27 92 Multi AV Scanner detection for dropped file 14->92 23 LFIeVDtgsEen.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures6 process7 signatures8 64 Maps a DLL or memory area into another process 16->64 29 KtUqEbzPSXPCROEstxCnLzJUQdlHqn.exe 16->29 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 KtUqEbzPSXPCROEstxCnLzJUQdlHqn.exe 23->35 injected 39 conhost.exe 25->39         started        process9 dnsIp10 41 mstsc.exe 13 29->41         started        58 www.yokaiph.store 185.27.134.59, 49722, 49723, 49725 WILDCARD-ASWildcardUKLimitedGB United Kingdom 35->58 60 amazing-s.com 81.169.145.68, 49721, 80 STRATOSTRATOAGDE Germany 35->60 62 6 other IPs or domains 35->62 76 Maps a DLL or memory area into another process 35->76 44 mstsc.exe 35->44         started        signatures11 process12 signatures13 78 Tries to steal Mail credentials (via file / registry access) 41->78 80 Tries to harvest and steal browser information (history, passwords, etc) 41->80 82 Writes to foreign memory regions 41->82 84 3 other signatures 41->84 46 firefox.exe 41->46         started        process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-07 07:45:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
891dbd2c951460e50ccaf5432a484308830c60301d6bdf4b46c6f32d67587239
MD5 hash:
be973c22a483efcaad7a1a0a966346a3
SHA1 hash:
5b5fc6834fa90c6b2796e451abbb5b493d50be5e
SH256 hash:
ff83bf12a3c8d4d680dcfe30d1ece0de08992fc178d0f9c43e4e5fa43c580ab7
MD5 hash:
3e451521373dd03444a2dd5cb711fa77
SHA1 hash:
a7069336240fb6f51e385efebc41845f81300433
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
85e4878a0dd3ffd91c12820d8d48b3ebc237c2301532a96c1d547759fe72dddf
MD5 hash:
d467e68acbf6725c340273cc60fa93b5
SHA1 hash:
06d8ef83630f5835ae682b289c1d77b37f5a13c3
SH256 hash:
d3e71a337d58b6ae1f49be4a5d89258ce11dc33b86c0a6f3ca93c16170dc500c
MD5 hash:
0a714b10c9d1770ba23576cefd65a0f9
SHA1 hash:
8d74d1d2ffd443fd6cee3078ffab3411305d5cf7
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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

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