MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3a569372c48f3d7e725e39cff6ac165ae330db00fe42ef3916b9db2c94c0126. 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 5 File information Comments

SHA256 hash: d3a569372c48f3d7e725e39cff6ac165ae330db00fe42ef3916b9db2c94c0126
SHA3-384 hash: a80650cf85fc0ba021782aac83298c7cec4e1da2c386421ae3ef709c67ab0b6b11d5eedaa6bf8e422fa6c45b68c1f00f
SHA1 hash: 4f89e0deb3651b61d9562e27aaf3f2d40acdda82
MD5 hash: 2c8db258f04072e08997a940bedc4ea9
humanhash: item-mirror-black-lemon
File name:10-2023.xlsx.exe
Download: download sample
Signature Formbook
File size:711'168 bytes
First seen:2023-10-11 09:44:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:TLdYX9KNNyTL0sJ2zUOLxMDhYPdoh4IapETtIfpua9b+5SJI9c:3KtwcL05IOLxMDKPd64Ia6E9A9c
Threatray 20 similar samples on MalwareBazaar
TLSH T187E4014072B64B2BEEF643F58520266447F6355F797AF3941EC2A4CBA8B1F810A51F23
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
10-2023.xlsx.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 09:44:47 UTC
Tags:
formbook xloader

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
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1323584 Sample: 10-2023.xlsx.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 29 www.thorproperties.net 2->29 31 www.qmkj.xyz 2->31 33 12 other IPs or domains 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 10 10-2023.xlsx.exe 3 2->10         started        13 SkypeApp.exe 13 50 2->13         started        signatures3 process4 signatures5 59 Injects a PE file into a foreign processes 10->59 15 10-2023.xlsx.exe 10->15         started        process6 signatures7 61 Maps a DLL or memory area into another process 15->61 63 Queues an APC in another process (thread injection) 15->63 18 geIRqyHEmhZSDtxHnewoS.exe 15->18 injected process8 signatures9 41 Injects code into the Windows Explorer (explorer.exe) 18->41 21 explorer.exe 13 18->21         started        process10 signatures11 51 System process connects to network (likely due to code injection or exploit) 21->51 53 Tries to steal Mail credentials (via file / registry access) 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 3 other signatures 21->57 24 geIRqyHEmhZSDtxHnewoS.exe 21->24 injected 27 firefox.exe 21->27         started        process12 dnsIp13 35 www.qmkj.xyz 64.190.63.111, 49713, 49721, 49722 NBS11696US United States 24->35 37 thorproperties.net 5.230.56.196, 80 ASGHOSTNETDE Germany 24->37 39 7 other IPs or domains 24->39
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-11 07:20:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
68c6284231a9652438e0f3444d010138f7cf1454384f84e32093e28aa38b6264
MD5 hash:
2bb5a36a1695f9316a916ad5e6c2f4c4
SHA1 hash:
514c817c54b5ac67a4011f1f9284e06966c0771b
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
deead051dfd04428f2f576e88e09a58a91b5b47325493b26839bc5399ae5ac8c
MD5 hash:
982ee0b0e8d18f283e048d9b768930b1
SHA1 hash:
8f3ff6f9a0f0f53434b3fc31e87af1c1f8b5343b
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
2a1e7873bc7d74493d0de1aa2dadc4e84f23a87f02548e3f340bb559e8341664
MD5 hash:
9054e749879e12dd91e5d41a42e31140
SHA1 hash:
60508c555282448581bc630d358e1e7d2defdbd4
SH256 hash:
7786974eb2bcdb72c26e7c95ac1d45b204f636673ae41709b6334c8792518fd0
MD5 hash:
31bdd0a52b3b0e3d617a55ba87b6d870
SHA1 hash:
e73d7a34ba244c1d897a1f78ce4ac538c8ad831a
SH256 hash:
d3a569372c48f3d7e725e39cff6ac165ae330db00fe42ef3916b9db2c94c0126
MD5 hash:
2c8db258f04072e08997a940bedc4ea9
SHA1 hash:
4f89e0deb3651b61d9562e27aaf3f2d40acdda82
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:NETexecutableMicrosoft
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.

Malspam

Formbook

Executable exe d3a569372c48f3d7e725e39cff6ac165ae330db00fe42ef3916b9db2c94c0126

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments