MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
SHA3-384 hash: f97de9c9bdc2befb3fc88747069e27282a40057e28dc235569302bf9d89c4aee282d0dfed6557b37013cb7f02bd30766
SHA1 hash: 9dd1b9f34ac0e7b519c7cc2387e207bd1c6a0484
MD5 hash: e2e8181de278ee914d06bd6cc3474dba
humanhash: steak-batman-carpet-lion
File name:e2e8181de278ee914d06bd6cc3474dba
Download: download sample
Signature Formbook
Create hunting rule
File size:313'245 bytes
First seen:2023-02-24 01:17:02 UTC
Last seen:2023-02-24 02:27:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:gYa67yX2BpF5EmdW0KCWsslafySNnYADmGg/+9WHCBM73rlC7u20q:gY5ZXF5Y0nAaHYADmV/+9UMH7ulq
Threatray 3'350 similar samples on MalwareBazaar
TLSH T1016412287565C0B3E05243B24E36E2FADAE4BE114C75668B37C57F4FF932252091EB62
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e2e8181de278ee914d06bd6cc3474dba
Verdict:
Malicious activity
Analysis date:
2023-02-24 01:18:01 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/a449c13f-87ad-42ba-a6f8-af66232862fc

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/369352/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63f810155d47c2515e7f6dac/reports/7d028492-c016-423a-8e45-337bd1ad754f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff97f3b7-a7aa-4a69-a140-b7563958147a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1181647
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 814478 Sample: ygrfadtUme.exe Startdate: 24/02/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 4 other signatures 2->55 11 ygrfadtUme.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\...\hxlvwhzimu.exe, PE32 11->33 dropped 14 hxlvwhzimu.exe 1 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Machine Learning detection for dropped file 14->67 69 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->69 71 2 other signatures 14->71 17 hxlvwhzimu.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 22 explorer.exe 2 6 17->22 injected process9 dnsIp10 35 jacqtalk.com 74.220.219.222, 49698, 80 UNIFIEDLAYER-AS-1US United States 22->35 37 www.1wthqp.top 190.115.19.43, 49699, 80 DDOS-GUARDCORPBZ Belize 22->37 39 3 other IPs or domains 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 26 cscript.exe 22->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682/
Threat name:
Win32.Trojan.Babar
Create hunting rule
Status:
Malicious
First seen:
2023-02-23 16:15:37 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h3htqvaacsr74efyqozulevy4xxpweoq4sv7mt6zqeu5ac7uu2ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
Formbook
539d920211675f7cc535698b9223aae7d732e46d747bae86c00234e8b6dcb3ff
Formbook
b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
Formbook
ce902a74a974d8abadef885c3aa91a41ad495d0d22a187b0bb4c87645d3ae0a8
Formbook
e107d1577a610b65847d6474085b90abd5d3299719d8e3544c36c127a5c7e8ea
Formbook
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
Formbook
+ 3'340 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ko14 rat spyware stealer trojan
Link:
https://tria.ge/reports/230224-bndejahf96/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
d6ee5c777c4be498b4349da28fe8cab7cfd50fafca290451064c759005b0a0ac
MD5 hash:
2081fd9868aae02d4b158b29a85a935f
SHA1 hash:
7bcd3507413833d3bf4be052efcf6f79d5ba02db
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/eae28480-288f-4948-a95c-2f883f7961db/
Parent samples :
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
5e517d06a3b252c0bced1ed16f1741fa73b4e0d4b81ec2daf71b57954604afc8
d1e4cc2b2df4de229947e033f6dd65379db0d12d92ec7de9ffcc8336c1c55e9a
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
SH256 hash:
f23c91a7e50c7039e93b1f425bef1911aac8e0403a58cbec1ccf9c1a5faed40f
MD5 hash:
600245e8c29824a0016491cbe379bd84
SHA1 hash:
d57e650c3590aad38380231be9f6ccf921ad539f
Link:
https://www.unpac.me/results/eae28480-288f-4948-a95c-2f883f7961db/
SH256 hash:
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
MD5 hash:
e2e8181de278ee914d06bd6cc3474dba
SHA1 hash:
9dd1b9f34ac0e7b519c7cc2387e207bd1c6a0484
Link:
https://www.unpac.me/results/eae28480-288f-4948-a95c-2f883f7961db/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3ecf38540014/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Web download

Formbook

Executable exe 3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2549738/
Cape
Cape
https://www.capesandbox.com/analysis/369352/

Comments


Avatar
zbet commented on 2023-02-24 01:17:07 UTC

url : hxxp://kerasiastudios.gr/kentorio2.1.exe