MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5. 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: a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5
SHA3-384 hash: 8c70cb02cb4233240b424892322f1c8536e961a37da2267d7536c1d561e56075670894995e5d6726b3dc09c3c744d799
SHA1 hash: 538eaaa9a9f4dc60e672cb0c0649e4412429d0c7
MD5 hash: 97d27b18d29a1c75d82c8877c61e37e8
humanhash: jupiter-fifteen-foxtrot-butter
File name:97d27b18d29a1c75d82c8877c61e37e8
Download: download sample
Signature Formbook
Create hunting rule
File size:409'600 bytes
First seen:2022-01-13 15:48:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:6K7777777777774PfE6xRQ3X1P6Z2lky0j4mikrH6R:6K777777777777406ngXEZ2lHsPr
Threatray 12'903 similar samples on MalwareBazaar
TLSH T18A94129929554333DF76CE3418B0C1401EB0AE583642DB5AB6EEF69702F0BC2679376B
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://onedrive.live.com/download?cid=24540B39500C9CCE&resid=24540B39500C9CCE%21118&authkey=AMCO6b5-uKYBhxc&em=2
Verdict:
Malicious activity
Analysis date:
2022-01-12 18:32:41 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/ae2b5b4e-4a70-47ed-86c2-4e54ece98a69

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/219077/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.24280.25479.21163.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e049fdf2e8ec86fef882d3/reports/bf1f8568-ef1e-4b7c-a7df-4017e08602ac/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4b30025-2785-4d1c-9181-1993bea47ba9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920245
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
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
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 dnsIp2 2 Behavior Graph ID: 552726 Sample: ihJ4eSV1of Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 43 www.rentglide.com 2->43 45 www.plushcrispies.com 2->45 47 plushcrispies.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 12 other signatures 2->61 9 ihJ4eSV1of.exe 7 2->9         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\btIaTzmfnX.exe, PE32 9->35 dropped 37 C:\Users\...\btIaTzmfnX.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\Local\Temp\tmp1E0.tmp, XML 9->39 dropped 41 C:\Users\user\AppData\...\ihJ4eSV1of.exe.log, ASCII 9->41 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 9->65 67 Adds a directory exclusion to Windows Defender 9->67 69 Tries to detect virtualization through RDTSC time measurements 9->69 71 Injects a PE file into a foreign processes 9->71 13 ihJ4eSV1of.exe 9->13         started        16 schtasks.exe 1 9->16         started        18 powershell.exe 25 9->18         started        20 ihJ4eSV1of.exe 9->20         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 13->73 75 Maps a DLL or memory area into another process 13->75 77 Sample uses process hollowing technique 13->77 79 Queues an APC in another process (thread injection) 13->79 22 explorer.exe 13->22 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        process9 dnsIp10 49 ecommerceoptimise.com 192.185.98.251, 49783, 80 UNIFIEDLAYER-AS-1US United States 22->49 51 ceinpsico.com 199.79.62.173, 49781, 80 PUBLIC-DOMAIN-REGISTRYUS United States 22->51 53 13 other IPs or domains 22->53 63 System process connects to network (likely due to code injection or exploit) 22->63 30 wlanext.exe 22->30         started        33 conhost.exe 26->33         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 30->81 83 Maps a DLL or memory area into another process 30->83 85 Tries to detect virtualization through RDTSC time measurements 30->85
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 04:16:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 43 (55.81%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
Formbook
4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963
Formbook
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
76d73723ac1e30fad92d7f3fdbb0a87c1d8854ad4e7d3d728805a3f26843085c
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7
Formbook
cd1a6d25a6ecd13b937b860ddbe024fa1927d9ca766121d54eac046c5511cad4
Formbook
e6fc8bbf9d585429d28269af4f4626388f2451f57f714797dcdaee31f0b089f9
Formbook
+ 12'893 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-s9ecdsbcgr/
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:
ea0b32541af4ec49d956c79e4e328cc6b5a8a657249d4c35b4d12aca46d47b08
MD5 hash:
88d9d875f91a8a1c370bc712326e2d51
SHA1 hash:
2e0d03430de8483fa5e317da089d1e7e699428f6
Link:
https://www.unpac.me/results/90d7132b-2152-485d-b176-fb0c2ac5b35e/
SH256 hash:
d0138cefdfc2e20e6a0a62e3eb83136abc79fce7a308a5fc6caf7b48041e148e
MD5 hash:
01a7803c485e04c525c6a5e982e3b8c4
SHA1 hash:
c6ee916904d59bc0e4456804e7452d81d4f55696
Link:
https://www.unpac.me/results/90d7132b-2152-485d-b176-fb0c2ac5b35e/
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/90d7132b-2152-485d-b176-fb0c2ac5b35e/
Parent samples :
a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5
8d38be02ab71fba9115c3a645edf515c62ffe53a5a590f7b37f362ab117473a1
9e2502b3945f31482623e8e61dcb85b9ebb7d9a4244d9074fa289596c9da513e
a8d5e1d38de4f19b6e861c8f6f6f7061954ef9c132201984650a6f47fa1c0496
d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47
SH256 hash:
a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5
MD5 hash:
97d27b18d29a1c75d82c8877c61e37e8
SHA1 hash:
538eaaa9a9f4dc60e672cb0c0649e4412429d0c7
Link:
https://www.unpac.me/results/90d7132b-2152-485d-b176-fb0c2ac5b35e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a2350a5de6de/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/a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5

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 a2350a5de6de03952d1a75a6135bc92690500e13854d481338bb07aa011bfcd5

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/219077/
  
URLhaus
https://urlhaus.abuse.ch/url/1974134/

Comments


Avatar
zbet commented on 2022-01-13 15:48:38 UTC

url : hxxp://198.23.213.59/6060/vbc.exe