MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7
SHA3-384 hash: 9f9b596418952469a704c620ad5764ca52d5dd539fcd372273aa5fdcebb3cb809b4a8d6c34a247b501bf2f354634caac
SHA1 hash: 5d2db795d151bee003432dbf632658b335630ad3
MD5 hash: f8028588674cfa9cf92e03bae9947af9
humanhash: batman-vegan-massachusetts-bacon
File name:triage_dropped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:627'200 bytes
First seen:2022-06-09 11:24:25 UTC
Last seen:2022-06-09 12:12:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:hZI9qmsLtb4D+GI/kIAY45QU8xzjzZeS4eM1w0yx6e:fIDEz/9AY4IxzjzZUYx
TLSH T116D4F1F2EEFAB865E0152073B450603C37E38E4EDD66953AD68BF20F25526C215E2E17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2022-06-09 23:31:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/a35f1e1e-fed7-44f6-95e2-d1cfc6e196ed

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/278245/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.10750.10871.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/62a1d8ada2b1fc9744d94dc8/reports/f6ab3a62-65c9-4013-83f5-5a4bd7e305dc/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f982e4e7-f5fd-4ba7-ac9d-37ea1f56efe0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009940
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 642435 Sample: triage_dropped_file Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 31 xc8bpwlrek915p.xyz 2->31 33 www.xc8bpwlrek915p.xyz 2->33 35 2 other IPs or domains 2->35 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 11 triage_dropped_file.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 triage_dropped_file.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.moejoeztreazure.com 35.209.218.27, 49763, 80 GOOGLE-2US United States 18->37 39 www.exilings.com 162.0.223.36, 49765, 80 ACPCA Canada 18->39 41 www.yuanpinll.com 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 WWAHost.exe 1 18->22         started        signatures11 process12 signatures13 53 Tries to steal Mail credentials (via file / registry access) 22->53 55 Self deletion via cmd or bat file 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 2 other signatures 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-09 11:07:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6j2mfwqfuuwqdwqwykdyaot6u6jqn7sryqra6vobt4v7xy2crc3q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:dahn loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220609-nja5tsbha6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c185e4571a6f9acd94c94c1e6625dbe29eff29e5222be4d69c7e8ef5a62ad7e5
MD5 hash:
0eea678b6a0cbe1d9ee77ec0bf6085e5
SHA1 hash:
0c83340449dbbfdfe0e02fa83576c92adbabe3b1
Link:
https://www.unpac.me/results/3d53065e-735d-4de9-ac36-7f0b18aca9fc/
SH256 hash:
fe78017f2153de0c5ca645c4255899ab044502fe5c77d5c04ced635d9fe981d9
MD5 hash:
ab47b292d4d39311539a0b97e6661f4f
SHA1 hash:
54cd9efbebe4f41b23e6f24fffac0da8f72d921b
Link:
https://www.unpac.me/results/3d53065e-735d-4de9-ac36-7f0b18aca9fc/
SH256 hash:
6282b23f9c6fabcef77f1a2453d550a56b6b3aeb82796f58f97a1ea05ab145ed
MD5 hash:
9d701902999a5839ba3ca940a64c33e0
SHA1 hash:
5c9d4683d35b75062b67f889437f5e9d15f07a2f
Link:
https://www.unpac.me/results/3d53065e-735d-4de9-ac36-7f0b18aca9fc/
SH256 hash:
b8a64a2274939bbde60a0a5f0113677de915972dfff262e8825f03df0b1a1274
MD5 hash:
a88b103f6485b2343118642da019c7be
SHA1 hash:
b66686dbb46215583daa65dfe5c0875212e6112c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3d53065e-735d-4de9-ac36-7f0b18aca9fc/
Parent samples :
2de49b3102da5350531a70b7d670ce8c1a9da5d664d7530325780b9d19aed395
bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d
ed072604ebceced91d3493f0805453f7e75f2ddbc22158ac6d3c2081a4a6c922
f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7
SH256 hash:
f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7
MD5 hash:
f8028588674cfa9cf92e03bae9947af9
SHA1 hash:
5d2db795d151bee003432dbf632658b335630ad3
Link:
https://www.unpac.me/results/3d53065e-735d-4de9-ac36-7f0b18aca9fc/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f274c2da05a5/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/f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7

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
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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.

Web download

Formbook

Executable exe f274c2da05a52d01da16c287803a7ea79306fe51c4220f55c19f2bfbe34288b7

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/278245/
  
URLhaus
https://urlhaus.abuse.ch/url/2231138/
  
Delivery method
Distributed via web download

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