MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc
SHA3-384 hash: 45ba885a731f6f42c6d7db9d7629f81912b442c9619199ac1d08371dfdc331cadf88592e52a1b57758b32c29e3af6541
SHA1 hash: 9d0bd14f5d9cc75442afe06579aec13ff896c7ce
MD5 hash: 2cadc6a3746b3c53c91a39d9cd23fc58
humanhash: uranus-bravo-mobile-table
File name:FACTURA DE PAGO DE IMPUESTOS MIÉRCOLES, 9 DE DICIEMBRE DE 2021,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'254'912 bytes
First seen:2021-12-09 12:14:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:hIKjy/SYCpx3SDNY8B56iKyhvEVaCcd5cbBjtA:ZjAS5CDNl36iVhvEVyd5cbv
TLSH T1BD45231D29F0A06FE5A867B1C267C0508FB8F8073D66F6B95D9336EE77346898702742
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FACTURA DE PAGO DE IMPUESTOS MIÉRCOLES, 9 DE DICIEMBRE DE 2021,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-12-09 19:13:49 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/dbe322e2-1292-4542-9977-eeac9371b33d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/212791/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.2685.4108.10083.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Searching for the window
DNS request
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b1f349fa72c81b5b1363af/reports/0e3d5656-cd17-4f59-8ce1-ffc21735e5c1/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e419cba9-8adb-47bb-83e6-8c19b3ec7822
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/904572
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-09 12:15:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dslayothco3jms4ygndbrmbphmwxwe2pmocb67lcd35h5g5v6l6a._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bqt2 loader rat suricata
Link:
https://tria.ge/reports/211209-pexcyadbgl/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ewatch-pl.com/bqt2/
Unpacked files
SH256 hash:
24fd920afbc6e9e13879bea2f457ee33083b323079fd57364b1c12f6148a8e04
MD5 hash:
b0f67a40aaa0559dd5da703ba762c1e1
SHA1 hash:
abbea105a8b7f27293f5499a37db372c5934572c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fe363568-da10-4b95-aa84-b6222fba1173/
Parent samples :
9da380610110986e6d1d902e4e0cae2fa00f81380d501461bed8d57f9e92b26a
1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc
549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505
f80774cd7c699a392d2824b7b645a95fa0864d5a73c867999b0c5640d3011aa0
0730056cbfb7cd86025fcd5b99f94dda7829e33c768efdd11c335b47a281dfda
SH256 hash:
eca854dbc878e829c299d18a7e8ae8e3845d0ac21f1a1e3c85f51ede3005c584
MD5 hash:
e1df4f3ddec5cb919cfb36ca63005c2b
SHA1 hash:
7966aeee7157c20cb18072dff39a9cc868d10dbc
Link:
https://www.unpac.me/results/fe363568-da10-4b95-aa84-b6222fba1173/
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/fe363568-da10-4b95-aa84-b6222fba1173/
SH256 hash:
1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc
MD5 hash:
2cadc6a3746b3c53c91a39d9cd23fc58
SHA1 hash:
9d0bd14f5d9cc75442afe06579aec13ff896c7ce
Link:
https://www.unpac.me/results/fe363568-da10-4b95-aa84-b6222fba1173/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1c960c3a6713/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Malspam

Formbook

Executable exe 1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/212791/

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