MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc
SHA3-384 hash: 322584fb6f1e26f7a8fefc452ea34e085e1d45a00914086f1d448e73e4b549654997b7989433094955afb48de3896c79
SHA1 hash: 13dfbbb3cf9cb5433d20d665ee5a15a1eda76872
MD5 hash: 1b2bd184f0217c777e6113f2aafdeb4b
humanhash: blue-september-kentucky-zebra
File name:detalles.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:969'728 bytes
First seen:2022-03-23 17:22:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:h6f9RgeQVq8SO/Push+IwZVM0Y3pu5sVIps/K4rl:Qis4P1h+RZVHYE5sVIU5rl
Threatray 14'489 similar samples on MalwareBazaar
TLSH T10E25238B57E49714DDBE4E3DE57193E0127A85AB6913CA6E9EC080F12C23BD18E049F7
File icon (PE):PE icon
dhash icon dadadadaa6a6a6a6 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/256738/
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 a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/962997
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-23 17:23:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mm5mljz2sb3p7wouvf5rvkqywysk7bauttg3hcmk4p6wyoylrk6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2f47cecb0ac0c17ad38f1e8b65e4bbb7180d87d750ed7e93ce9fc5db11e5cae5
Formbook
39d7f0b102aca1db8c71a3a7af79ece2aa2100dbaf1c20237d75e36271833ef2
Formbook
5f8d69976e4d3c9b6508cd376dcab4971a605d8d1122952ad604f7b48d2ef1e1
Formbook
66ed20e609a1c10376f30415f4f2a03aa274fbdaaa12925dcc81ed74bfb7fdfa
Formbook
98c9c20fcffa6fe99c0841a33f4a9283552b9393d958818b9b2b610d5467822e
Formbook
9f085df3f1da75ba799ca984603fe267f891be8e6ac24c52b907cc97e6879467
Formbook
acf40f9d3eea74324291c55f5ab8d3678e0dcc085581bdd9cf66897f4324bc3c
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
eccce6ae6f8a2ed3c5edc1ede824681a9d4b9499139e4c00f2a85ca4684cec17
Formbook
fce51b6f1f69629c651dfaedbcdcb55d25da39e8184614c1cb26e4c247f6d3ac
Formbook
+ 14'479 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uevb loader rat
Link:
https://tria.ge/reports/220323-vx5d6ahec6/
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
Unpacked files
SH256 hash:
cf94621b95fb00832091b2ffefc33fe6eea66a5833d44f8579914dd3ee64b16b
MD5 hash:
5296fea48fa3a85b331a1e0e25463038
SHA1 hash:
5c0bdc7860d2f86a53ebad4c0052cd07ecfd4257
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d82b902a-e408-4aa2-b840-56f3fcf83598/
Parent samples :
39d7f0b102aca1db8c71a3a7af79ece2aa2100dbaf1c20237d75e36271833ef2
633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
Link:
https://www.unpac.me/results/d82b902a-e408-4aa2-b840-56f3fcf83598/
SH256 hash:
35a9f5491e2a2013a7bad61359ebcc2185a7b6618b8394045f5a61a72c783655
MD5 hash:
402d4099529311f62058ba43ea9c3bbd
SHA1 hash:
70e5fe8aaf50367a2cc883940dad8a837d61482c
Link:
https://www.unpac.me/results/d82b902a-e408-4aa2-b840-56f3fcf83598/
SH256 hash:
38f5dda2db5195ce7d6532346c8d962f75a623eb4a6328d75bae76e29902387b
MD5 hash:
001599ef6580b04d256ea6d619184fe5
SHA1 hash:
4fa44aa528cd7e14df693c15beab3a92738fa9ca
Link:
https://www.unpac.me/results/d82b902a-e408-4aa2-b840-56f3fcf83598/
SH256 hash:
633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc
MD5 hash:
1b2bd184f0217c777e6113f2aafdeb4b
SHA1 hash:
13dfbbb3cf9cb5433d20d665ee5a15a1eda76872
Link:
https://www.unpac.me/results/d82b902a-e408-4aa2-b840-56f3fcf83598/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/633ac5a73a90/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/633ac5a73a9076ffd9d4a97b1aaa18b624af84149ccdb3898ae3fd6c3b0b8abc

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/256738/

Comments