MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6dd535cb334ca75f6dca60301843d21b1eb63b8a46409a32b48b899b0c4ff7ea. 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 3 File information Comments

SHA256 hash: 6dd535cb334ca75f6dca60301843d21b1eb63b8a46409a32b48b899b0c4ff7ea
SHA3-384 hash: 61582d14ebb298db53153d36c6a9771f5c6817d6187e26fbaec5284685b59b2847307a96c41ae2817af9d00bd4686537
SHA1 hash: b3446233f547e6a80b71b9091218ffd74cb1b7ab
MD5 hash: 6cf8e7e3bf2743b9427e11574f9860e6
humanhash: september-ink-quiet-kitten
File name:CHAVEUT Order.exe
Download: download sample
Signature Formbook
File size:6'087'680 bytes
First seen:2022-02-14 19:12:13 UTC
Last seen:2022-02-14 20:56:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:OjLKyxDm1TX+wbvOnBbbaL3tni59+mDN:D9ReBbba7tni59+mDN
Threatray 73 similar samples on MalwareBazaar
TLSH T1FB56BF1AF349FAE3D48F7EB7505D23447732C2420796778B531462FCAC923D09EA968A
File icon (PE):PE icon
dhash icon 71e8868a8ac6e871 (4 x Formbook, 1 x AveMariaRAT, 1 x AZORult)
Reporter 604Kuzushi
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the process to interact with network services
Forced shutdown of a system process
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Active Directory User Backdoors
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Microsoft Workflow Compiler
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572150 Sample: CHAVEUT Order.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 15 other signatures 2->38 8 CHAVEUT Order.exe 3 2->8         started        process3 file4 30 C:\Users\user\...\CHAVEUT Order.exe.log, ASCII 8->30 dropped 40 Writes to foreign memory regions 8->40 42 Injects a PE file into a foreign processes 8->42 12 aspnet_compiler.exe 3 8->12         started        signatures5 process6 signatures7 44 Writes to foreign memory regions 12->44 46 Injects a PE file into a foreign processes 12->46 15 InstallUtil.exe 3 12->15         started        18 AddInProcess.exe 12->18         started        20 DataSvcUtil.exe 12->20         started        22 3 other processes 12->22 process8 signatures9 48 Writes to foreign memory regions 15->48 50 Injects a PE file into a foreign processes 15->50 24 RegSvcs.exe 2 15->24         started        26 AddInUtil.exe 15->26         started        28 dfsvc.exe 15->28         started        process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-14 16:15:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Grants admin privileges
Looks for VirtualBox Guest Additions in registry
Windows security bypass
Unpacked files
SH256 hash:
647de5aa77430233c51a1373555d970af25fdb605d7aeadbb3bd58a24e154eac
MD5 hash:
5f20b0987cbe79742b910deefcf32f38
SHA1 hash:
b37773e5512bd906d07b934c0a5d2bb8e67f7a31
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4346bdd786d116fe5fd6c4ce1e3560973596b128ef743c4ef75b2a3027735660
MD5 hash:
b3a37dd9978499790494ef4fba013eb0
SHA1 hash:
65433f9a3dec98d38a0507b407646f024220562f
SH256 hash:
3a43def3f67ff927abca24a1c3a086cb4986dca0c077530e34920f3003581527
MD5 hash:
cf658a57dd819f84ca94266ae69124d8
SHA1 hash:
faca1366b38f2cf5ad0fb765174af25557efd955
SH256 hash:
bb4b4af74d5b134f83d008eb3331531c770068a8a8f22235185f0cc86e5c25e5
MD5 hash:
d1275c0450ede70ab330b7cc72a89944
SHA1 hash:
45eace4df68fd8be5d4c6751a872704d6e1dc3ca
SH256 hash:
866391ec18e0fb6ce03b54f290c4fc668f02d823480f4bc16b5a43329913e6cf
MD5 hash:
4cf87345fec5703a7b69b0434e173fb7
SHA1 hash:
e075a4100fb2d39db00ef8e11e032029ac455280
SH256 hash:
42948680c233042b5351d26738f5f304d3585f6d86f471f828033056fc5dc414
MD5 hash:
4771b188e1e1b53e6bc2086825587296
SHA1 hash:
546507f895f183b43e3688041a23e6509cc2e3ab
SH256 hash:
11c98d5863790f8a658475992c0b08359a6a5e521eff995417a22371f4c634ed
MD5 hash:
aa19120ce596561dd0a0f3e133a834ae
SHA1 hash:
21835e4ce7420da2d2bf3842a7cd43c133ad77f7
SH256 hash:
c80b2f2498cf5f1f5e569a587c2a24511fda67280fd02607d4e470695a528929
MD5 hash:
56683725ae329e998427ac929682dc42
SHA1 hash:
c538a932259a1f37b7c8e89fb76e0fd83567df39
SH256 hash:
73d29007a8e455c1802ddeca7ce2d0fb6d4d155a09fb294cb8cd169c79edfc13
MD5 hash:
7f4e7c61bf70b17c554e8c58cff694c6
SHA1 hash:
606dfacd5395dce617af86c14fe8a3eb9061405f
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
943c92d0df2d88f1a788b954b06e76cb25e3b6f47030d79d57a2c565ecf43fa5
MD5 hash:
a62c5af4f3dfd3d43f0c76d1cf77b2ab
SHA1 hash:
de33033aeab10e3a3167083f29537842aa9732ab
SH256 hash:
6dd535cb334ca75f6dca60301843d21b1eb63b8a46409a32b48b899b0c4ff7ea
MD5 hash:
6cf8e7e3bf2743b9427e11574f9860e6
SHA1 hash:
b3446233f547e6a80b71b9091218ffd74cb1b7ab
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:Adsterra_Adware_DOM
Author:IlluminatiFish
Description:Detects Adsterra adware script being loaded without the user's consent
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 6dd535cb334ca75f6dca60301843d21b1eb63b8a46409a32b48b899b0c4ff7ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments