MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94. 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 3 File information Comments

SHA256 hash: 79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94
SHA3-384 hash: 8dda57d0a9c2271aa6d762a3ed8a371b9536e471346aefff1688208deed9752eab53c49398b992da960bb872c6d92f14
SHA1 hash: e4d05362ad8ac0c01dae7250ac4e21f706617621
MD5 hash: 408c61d7ea3187f9efdfb22e8e5997a9
humanhash: maryland-texas-lake-echo
File name:UTR-SBIN32311537043166.exe
Download: download sample
Signature Formbook
File size:733'696 bytes
First seen:2023-05-09 07:52:37 UTC
Last seen:2023-05-15 10:23:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:1I/uk88/qTFWFUroCH+LU5vca8M5cirt3cR6R0N:iGnFaU0CN5E6qirtMR6R
Threatray 2'847 similar samples on MalwareBazaar
TLSH T19AF4E11123BABB92ECA1C3FC610CE5019FA41C51A3BAF7E84DCBF0D85198B15B6546E7
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
278
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
UTR-SBIN32311537043166.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 07:56:39 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
Creating a window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 861926 Sample: UTR-SBIN32311537043166.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 8 other signatures 2->44 10 UTR-SBIN32311537043166.exe 3 2->10         started        process3 file4 30 C:\Users\...\UTR-SBIN32311537043166.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 UTR-SBIN32311537043166.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 2 1 14->17 injected process8 dnsIp9 32 www.lifeofthobes.uk 17->32 34 www.horizonoutdoorservices.com 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 cmstp.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.RedLine
Status:
Malicious
First seen:
2023-05-05 08:36:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:btrd rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dc1640a58e9fea5bfa7f6345a1c4c30b240225cc63f34fdb389af6ece1c5a007
MD5 hash:
b80e4dff0fc7c0b2fc2455aee3273485
SHA1 hash:
2e8ecd4015704c7fa7cd039accf3dd4c6547ca63
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
Parent samples :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 hash:
c630727d7b0a40525ee1d495fbdb6704791ee56bb0ec1e4463ee14a6c0e3f3f5
MD5 hash:
0625667737c1f1200ebd91d014b00378
SHA1 hash:
e2e22d78e25652b4e61e9aafae61285989f47457
SH256 hash:
280001013946838a651abbdee890fa4a4d49c382b7b5e78b7805caef036304e2
MD5 hash:
d4b6893a5512534104c6c7403be60897
SHA1 hash:
d4b51c3e4cafb3b146435a4e2e21bb5ddf15956d
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
SH256 hash:
f217c94ea99b245845d8dcad927a23ca89e4ef026067e3de58c4ccab1479f9d2
MD5 hash:
4dea13e81b2c656bcb2272acfaaa12c3
SHA1 hash:
60fca20b90fc6376afc60c057c967aac30687c41
SH256 hash:
79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94
MD5 hash:
408c61d7ea3187f9efdfb22e8e5997a9
SHA1 hash:
e4d05362ad8ac0c01dae7250ac4e21f706617621
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 79d20833e8b6c58ece93da20c2c927565e26198e5a6c802cbf5b559429eb4a94

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments