MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd743178389f71124ff28ca9bbac591b43419b1e1cd06945d94bcca4431f5b9b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: dd743178389f71124ff28ca9bbac591b43419b1e1cd06945d94bcca4431f5b9b
SHA3-384 hash: 226b07221f5d4a08f8ecbd7d40f0601792c5b06978c85bb9add5bbec156948010f89cbe0fb530bc04887d2c7d7184f01
SHA1 hash: 5f1de7765daf71171d3779df5ec84295b5d5db18
MD5 hash: 90babed1626ee650aea71ff016c0dc57
humanhash: ceiling-sodium-island-iowa
File name:Image001.exe
Download: download sample
Signature Formbook
File size:1'004'544 bytes
First seen:2022-03-22 10:37:57 UTC
Last seen:2022-03-29 13:23:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:johj2VkD2o8ZgwvGUNVA9orashP1SMlbhZyt9lsAH7L//9kfs:johqVkKo82wvG0AODhNSMRhZyt9LP/a
Threatray 14'418 similar samples on MalwareBazaar
TLSH T12E252382F784C697C5144E319E22720653B0E93E9827EB9FFD8852A6061F7865365FC3
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
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)
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
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: 594039 Sample: Image001.exe Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 8 other signatures 2->36 10 Image001.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Image001.exe.log, ASCII 10->28 dropped 42 Tries to detect virtualization through RDTSC time measurements 10->42 44 Injects a PE file into a foreign processes 10->44 14 Image001.exe 10->14         started        signatures5 process6 signatures7 46 Modifies the context of a thread in another process (thread injection) 14->46 48 Maps a DLL or memory area into another process 14->48 50 Sample uses process hollowing technique 14->50 52 Queues an APC in another process (thread injection) 14->52 17 explorer.exe 14->17 injected process8 process9 19 chkdsk.exe 17->19         started        22 autoconv.exe 17->22         started        signatures10 38 Self deletion via cmd delete 19->38 40 Tries to detect virtualization through RDTSC time measurements 19->40 24 cmd.exe 1 19->24         started        process11 process12 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-22 10:38:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
ee938cb92410543fa9dbd33d3228abebf95ab0c96f3bbca6da192c74d3ef152c
MD5 hash:
1ce76e47fbf1ba885022124071267c34
SHA1 hash:
9e7aa2d0c8ed55b6b772a893a8d0a594fbecfee6
SH256 hash:
301642ff8826ac264d1a78b36237b5ece99cb31a2d9cecd04aafb3449679d94b
MD5 hash:
f08268ddb5c1236b947fe2864860fc98
SHA1 hash:
772410110fee00fc53939b94c2f64069fa824cf4
SH256 hash:
4d6ae9517634d516a61c822d5c1eee178ceabf43128120e41a7886bba41fed15
MD5 hash:
acf0de950d09e95fdc8496412b3b2306
SHA1 hash:
7562960c9f2377918f9084005cae2b1259317bce
SH256 hash:
dd743178389f71124ff28ca9bbac591b43419b1e1cd06945d94bcca4431f5b9b
MD5 hash:
90babed1626ee650aea71ff016c0dc57
SHA1 hash:
5f1de7765daf71171d3779df5ec84295b5d5db18
Malware family:
XLoader
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.

Malspam

Formbook

Executable exe dd743178389f71124ff28ca9bbac591b43419b1e1cd06945d94bcca4431f5b9b

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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