MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1
SHA3-384 hash: 5062b7bc18f7682eb54145b6ac6b48b8d4d06415560df36e1f778dac32ec47d67d788295b63c3e734ccc4aa6d2e2eab5
SHA1 hash: f19d6f0a506f86025ee25ab6ad9405e4bc297783
MD5 hash: 1e14373563bcf10103f2850b17b100ea
humanhash: maine-november-double-robert
File name:1e14373563bcf10103f2850b17b100ea
Download: download sample
Signature Formbook
Create hunting rule
File size:376'832 bytes
First seen:2022-01-13 16:47:31 UTC
Last seen:2022-01-13 19:46:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:JOYt1DBzXwYUnZzlCezd6O53Y5E/XL4yHnu6yvQgtLMDatOerX/D8tbkrDNrfA:JOYdLUZzlCeR6B5qL/7qtLdtF/4JkPNE
Threatray 12'913 similar samples on MalwareBazaar
TLSH T14F8401A9776471FEC81BC2B99ABC1D64AA2170636327C147624741ED5E4CBE3CF409E3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1e14373563bcf10103f2850b17b100ea
Verdict:
Malicious activity
Analysis date:
2022-01-13 17:39:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f1a0b3c5-76fb-4721-beef-1d81e1cd13c2

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/219096/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.30975.5768.23732.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/61e057d21883c5ba4ec8580e/reports/7a6c6f41-e71c-4b0d-90af-d5f7487c04be/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3955bae4-e69f-4bdc-8558-6a22011b7f76
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920287
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 552763 Sample: 3Wok4G7Goe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 11 other signatures 2->42 8 3Wok4G7Goe.exe 7 2->8         started        process3 file4 28 C:\Users\user\AppData\...\eyFgpnfXIO.exe, PE32 8->28 dropped 30 C:\Users\...\eyFgpnfXIO.exe:Zone.Identifier, ASCII 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmpDDB3.tmp, XML 8->32 dropped 34 C:\Users\user\AppData\...\3Wok4G7Goe.exe.log, ASCII 8->34 dropped 44 Uses schtasks.exe or at.exe to add and modify task schedules 8->44 46 Adds a directory exclusion to Windows Defender 8->46 48 Tries to detect virtualization through RDTSC time measurements 8->48 12 3Wok4G7Goe.exe 8->12         started        15 powershell.exe 25 8->15         started        17 schtasks.exe 1 8->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 19 explorer.exe 12->19 injected 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        process8 process9 25 systray.exe 19->25         started        signatures10 50 Tries to detect virtualization through RDTSC time measurements 25->50
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 14:19:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
31 of 43 (72.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ru4l4avloh52sek4hjsf5x2rlrrp7zj2ljmq66zx6nrkweluooqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963
Formbook
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
76d73723ac1e30fad92d7f3fdbb0a87c1d8854ad4e7d3d728805a3f26843085c
Formbook
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
Formbook
a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5
Formbook
b9829a5660b2dcf188de5595741b42380f091c30bb3be299e131b61171d7b513
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
e6fc8bbf9d585429d28269af4f4626388f2451f57f714797dcdaee31f0b089f9
Formbook
+ 12'903 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:i5nb loader rat
Link:
https://tria.ge/reports/220113-va6cyabfeq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
92f281416200a169297a94dd3a8a34cc3377e81468422130211bb539cc79b91b
MD5 hash:
ba7919a5f192364935f4bb5ff2e88726
SHA1 hash:
2fef42265f40fbc82c81ed2ced09ba730e0bb8c9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7f0353ac-d3de-4fe3-82f3-5e37d91055ec/
Parent samples :
a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5
8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1
9e2502b3945f31482623e8e61dcb85b9ebb7d9a4244d9074fa289596c9da513e
a8d5e1d38de4f19b6e861c8f6f6f7061954ef9c132201984650a6f47fa1c0496
d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
Link:
https://www.unpac.me/results/7f0353ac-d3de-4fe3-82f3-5e37d91055ec/
SH256 hash:
701f4389cfbdb8d0f590a318a27ed91e408cd1c1333e463408331440cc965d7c
MD5 hash:
a82862bad44ccc914d220efe2bdd220a
SHA1 hash:
b1b4eec95fc7a60bd35b12e6e3758e246983352f
Link:
https://www.unpac.me/results/7f0353ac-d3de-4fe3-82f3-5e37d91055ec/
SH256 hash:
8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1
MD5 hash:
1e14373563bcf10103f2850b17b100ea
SHA1 hash:
f19d6f0a506f86025ee25ab6ad9405e4bc297783
Link:
https://www.unpac.me/results/7f0353ac-d3de-4fe3-82f3-5e37d91055ec/
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/8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1

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
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.

Web download

Formbook

Executable exe 8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/219096/
  
URLhaus
https://urlhaus.abuse.ch/url/1974343/

Comments


Avatar
zbet commented on 2022-01-13 16:47:32 UTC

url : hxxp://198.23.213.59/2020/vbc.exe