MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1
SHA3-384 hash: 9fd55a68ef100343f93f346861cfd554e2801842884ce54c1f1483c4cafc5e14e7590381cb4dd2e809772c74c2e5c978
SHA1 hash: 629487fd85949128df601880bfeb914817f51cfc
MD5 hash: 1cabd60d160cf879bd7b561018e334ff
humanhash: social-fourteen-eighteen-oxygen
File name:DHL Delivery Documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'100'800 bytes
First seen:2022-03-28 07:49:15 UTC
Last seen:2022-03-28 12:37:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:ypip60WKRKewfCDu68D0P4Ge6AvAMDdHAjyc+O:ttR6fCl8YPtQmjyc+
TLSH T13235F10232E06754E07A13B9DCA844DC53717E49AE7DE61F2DC172CF0AB17829A26F97
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258469/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.29201.6558.3685.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe explorer.exe findstr.exe greyware obfuscated packed replace.exe shell32.dll update.exe
Link:
https://www.filescan.io/uploads/624168b01f2042394840649b/reports/3c434444-6e49-4f81-84f2-53db95bd8596/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1605d185-458b-45ca-bd50-0265cc0a7d5d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965592
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-28 08:01:26 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqgp6ccqsj4ispsobpypomnbuf4x2jiymeatkuaoapac7sfw47iq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ok4e loader rat
Link:
https://tria.ge/reports/220328-jn9rqshac5/
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:
6f1bdc148ef8191b2feba9973d53788f383ed9e900895e2185996d9c19807b68
MD5 hash:
b77200269aff132c89ff539252190aff
SHA1 hash:
6016d8604b778f66023cadda92d0f955a56e47f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6ee00b1c-c4f5-418d-a04d-a2197d50620c/
Parent samples :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 hash:
d3dc680f61536bc75104d9208740a659b805d2212e16ddb55eb0c4d4bc6890bc
MD5 hash:
444d343e744058460a0350b2ca8372dd
SHA1 hash:
f5cdc2c92bd7cc33fe16c7acf3519d4e3ed220bf
Link:
https://www.unpac.me/results/6ee00b1c-c4f5-418d-a04d-a2197d50620c/
SH256 hash:
51ece4c4c2bd8c4ee22daa37cf33bcccae7d10ec3c537e95d617be40174ade24
MD5 hash:
afcc5e9649e24acc418dc5949ca4ddb1
SHA1 hash:
edcb231e2a586cd36853796407a896934a30a579
Link:
https://www.unpac.me/results/6ee00b1c-c4f5-418d-a04d-a2197d50620c/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/6ee00b1c-c4f5-418d-a04d-a2197d50620c/
SH256 hash:
040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1
MD5 hash:
1cabd60d160cf879bd7b561018e334ff
SHA1 hash:
629487fd85949128df601880bfeb914817f51cfc
Link:
https://www.unpac.me/results/6ee00b1c-c4f5-418d-a04d-a2197d50620c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/040cff085092/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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.

Malspam

Formbook

Executable exe 040cff08509278893e4e0bf0f731a1a1797d2518610135500e03c02fc8b6e7d1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258469/

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