MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d
SHA3-384 hash: f5fd0188ebb2cfbcb8f3ed64c53dcbc28fae83b9aadd4fc40a79d1ac3598e0568ee773f7a7244cacaa066839399f7bc3
SHA1 hash: 336032f2995581e6de366f23c73c7ac1889c3c75
MD5 hash: 8e97c09a8fa23d5b3fc6f4dc6c495098
humanhash: london-jersey-grey-kentucky
File name:8e97c09a8fa23d5b3fc6f4dc6c495098
Download: download sample
Signature Formbook
Create hunting rule
File size:647'216 bytes
First seen:2022-04-08 09:47:29 UTC
Last seen:2022-04-08 11:11:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YIH8Ub56F1HURPr45tNIVgbokwQgGZSmXh50IOSwMD8JSXZ:Tk5o27h
TLSH T17FD4BB2A38BA100DB272AD6C6BBCB175911EF3F226365C7B0DF7050A15129F0DB9D627
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
8e97c09a8fa23d5b3fc6f4dc6c495098
Verdict:
Malicious activity
Analysis date:
2022-04-08 20:51:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/24130c79-7ad3-4601-b381-7175d35c7365

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/262061/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1268.16607.4507.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe obfuscated overlay packed packed replace.exe
Link:
https://www.filescan.io/uploads/625004e7d53a7479dad9dec0/reports/0de79592-4909-4007-a524-38d1d79a6430/overview
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/8aba5ab8-1c93-4580-a77f-84247d2d84b4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/973112
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-08 00:22:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbplyjieqiq3jdp4c4mdx5vbpooizww5az2ducfpimf5qiva4awq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:foi3 loader rat suricata
Link:
https://tria.ge/reports/220408-lsr4laggcm/
Behaviour
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)
Unpacked files
SH256 hash:
7f4524dffa969b1a0a38ae475e39e57f32e12379edbb69131f67d74fe9fa4cb7
MD5 hash:
add956d051187b05f50434cb90567daa
SHA1 hash:
49a592e54833818c611aaf2b4ec14a9365564436
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/96007c45-da86-48c2-8734-20d526ceba64/
Parent samples :
b0064356457fa098732029fea97f948ca65f40e0848bd55cdd9e26c462b0ee4d
3b3339c5adf6214450652108e3cf3122917319dac8516748884b7f27f42a99ac
0bd840a10d4463fe31116ce57b0b674a6d10176d910cf7bcd9ba360cfcb9f3a6
d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57
a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d
SH256 hash:
0005648f69bc24db99f5ae318ce36a9e9dd5a1e6a9be287ba8c6c0d0cd413c0b
MD5 hash:
be1a1f3a92dda7446afa2eb347029f4e
SHA1 hash:
71d9563ee12bff54ad8dc4bb54c2ad131d119917
Link:
https://www.unpac.me/results/96007c45-da86-48c2-8734-20d526ceba64/
SH256 hash:
a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d
MD5 hash:
8e97c09a8fa23d5b3fc6f4dc6c495098
SHA1 hash:
336032f2995581e6de366f23c73c7ac1889c3c75
Link:
https://www.unpac.me/results/96007c45-da86-48c2-8734-20d526ceba64/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d

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_KB_CERT_65628c146ace93037fc58659f14bd35f
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2137138/
Cape
Cape
https://www.capesandbox.com/analysis/262061/

Comments


Avatar
zbet commented on 2022-04-08 09:47:33 UTC

url : hxxp://103.138.109.174/720space/vbc.exe