MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297. 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 2 File information Comments

SHA256 hash: a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297
SHA3-384 hash: c9cb82e396f24c07426a1b7549fa93ac4c7c8dc2070dacdde087482cd6c29651978aa810bbf6ac5574aa616e5910cb37
SHA1 hash: 46f05ccc922423ea13d1834f6d928533625f0874
MD5 hash: 562da9c60bc5400f50ad0a3b2c3b10c5
humanhash: sink-north-snake-georgia
File name:a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297
Download: download sample
Signature Formbook
File size:867'328 bytes
First seen:2023-07-06 10:50:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:h/thewlqB6p29F04yDJhtYXfJ+PNNdez5n9D10:Ve2q8p2u4ckJ+PxezxP
Threatray 3'226 similar samples on MalwareBazaar
TLSH T16A0512687AF7460DC45A7FBC2C445079CAFD66947833D22B6FA7B888CD06B160EC1663
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)
File icon (PE):PE icon
dhash icon f0d4d4c4c4c4c4f0 (13 x AgentTesla, 10 x Formbook, 4 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297
Verdict:
Suspicious activity
Analysis date:
2023-07-06 10:50:42 UTC
Tags:
n/a

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
Sending a custom TCP request
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
Creating a file in the %temp% directory
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1268034 Sample: FKSSL8ikX3.exe Startdate: 06/07/2023 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 7 FKSSL8ikX3.exe 7 2->7         started        11 BbtxSmFvqPT.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\BbtxSmFvqPT.exe, PE32 7->33 dropped 35 C:\Users\...\BbtxSmFvqPT.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\Temp\tmpC7F.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\...\FKSSL8ikX3.exe.log, ASCII 7->39 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 Writes to foreign memory regions 7->51 53 Adds a directory exclusion to Windows Defender 7->53 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 MSBuild.exe 7->17         started        19 MSBuild.exe 7->19         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 21 schtasks.exe 1 11->21         started        23 MSBuild.exe 11->23         started        25 MSBuild.exe 11->25         started        signatures5 process6 process7 27 conhost.exe 13->27         started        29 conhost.exe 15->29         started        31 conhost.exe 21->31         started       
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2023-06-06 05:55:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
d573385f0e3098bfad313505c333034597a0672754a4f3c1c6ea3da71a830b63
MD5 hash:
ac515217dba666506bcfd4129ab74f1d
SHA1 hash:
27f30814be43965fa5d9d3a50135d02a3c3d080d
Detections:
win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
f65cacff4930941a260401e8f83c6d425df8f8db1ad90b649deda74ed953d503
MD5 hash:
079c7bfe2ac0eaa85cfe6077a159f068
SHA1 hash:
cb622f9f20361ef57d1fa67baf5ebb4a358ef3bf
SH256 hash:
189a585e349b87d4d1b3bb90975ee93ff423dfd5532374a5c365368484e412cc
MD5 hash:
482896243069dedb09ca79c34cacb501
SHA1 hash:
dd440434c5c773e48ae900000b3d4c3de4373f4e
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
62f7aad6f7a94a046bd952831fee2e04d8f0ae4c223c0d47339a8ada3aaa9008
MD5 hash:
b45d79858185a0228a6b8376a6ae8ab5
SHA1 hash:
2ad75107c759b8d1188caa248f6f8e462be600d4
SH256 hash:
a5bbf13f56f953eb2313a2b3d2c0c06d14bc1455a06f01ec91a7f4e2e3757297
MD5 hash:
562da9c60bc5400f50ad0a3b2c3b10c5
SHA1 hash:
46f05ccc922423ea13d1834f6d928533625f0874
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.

Comments