MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e821d05e25e6e5b35959289590db48f3fd100b9648916f5d433a757c40be121. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 7e821d05e25e6e5b35959289590db48f3fd100b9648916f5d433a757c40be121
SHA3-384 hash: 14e8bcc06998f0bc128937b0ac7f6bd0dfe0cde044c89c7c3aba864bb67f7a9a58ea58d525cce84746252c56365d8c7d
SHA1 hash: 16ddc2099c846a9e3974c3cc79ad6c127cd5226d
MD5 hash: 7a811990a98c2af3562d9d7972737639
humanhash: july-steak-happy-blue
File name:7a811990a98c2af3562d9d7972737639.exe
Download: download sample
Signature Formbook
File size:824'832 bytes
First seen:2022-03-22 18:48:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4prGaZsNoeGC9xbNwvXD00/cz+WR4aVeLQrhuWd8tbVLUfZQSfQ4NFFslR:9dNV+v5Rq4Fwh6UfZrQ4NFi
TLSH T1B105BF535478B986F7D24439279EEBA8F7EEE7862671812D337EDCD10B9047B0A1CA10
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Searching for the window
DNS request
Sending an HTTP GET request
Reading critical registry keys
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:
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
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-22 18:49:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook agenttesla
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:arh2 evasion loader rat
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
Unpacked files
SH256 hash:
7f7569a7f0f38d1cc26e86c8fc1b75ee8c14c5b3e5e0df2684a0238a608e187f
MD5 hash:
5f1aa06c1092726ae3718ebabb7c960e
SHA1 hash:
775bf3ebc1864850040a864bc2e21c3e329f894e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
b7facaeef1e8e3ed50897e979409843013ed2c25b4556dfbf43a93a0f69d1041
MD5 hash:
6bd51919fb1f6a91aaf721fee194f20b
SHA1 hash:
91849ef6b191eb9139538923ec27ad59198a94a2
SH256 hash:
0856a95ec483f4925a436b235af5426bccce2dea3a982bb1a6600e8d56ca1d17
MD5 hash:
2b985dd6270c8f070f2aab3b6e9a3c2c
SHA1 hash:
225d39611a9577c730140f99029c9c84879642ad
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
7e821d05e25e6e5b35959289590db48f3fd100b9648916f5d433a757c40be121
MD5 hash:
7a811990a98c2af3562d9d7972737639
SHA1 hash:
16ddc2099c846a9e3974c3cc79ad6c127cd5226d
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe 7e821d05e25e6e5b35959289590db48f3fd100b9648916f5d433a757c40be121

(this sample)

  
Delivery method
Distributed via web download

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