MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583
SHA3-384 hash: 1103ed8c1d1c2a66938a13d2acf65b9d7a2c44f8bdc71190cee4b6a21c73ffa4daea7fd47846a658cca7f3798bc04faa
SHA1 hash: 28ddb11a762f95dac1356c80579c1bc56473f037
MD5 hash: 28b51c5be3a1b785198ed93af6b660ce
humanhash: pluto-juliet-winter-kilo
File name:28b51c5be3a1b785198ed93af6b660ce
Download: download sample
Signature Formbook
Create hunting rule
File size:465'920 bytes
First seen:2022-06-17 16:44:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:wyWxghX2Oft8jdCh3NQf2AAAIBKIfdUQPwkJgVaGdRUyRjukCzj33ZWbUBIjQVXB:w7djdCh3NFzBlfXwJVfT8/3nAQV9NBL
TLSH T135A4128065BC5777DAE9ABF985D1188907F2B23E7134F3250DC132DA5B62B50C208FAB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 3092b27070b29230 (6 x Formbook, 5 x Loki, 3 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281036/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.19314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62acaf92473553ed3199e9bb/reports/27056c40-2bfc-4dfb-8f55-e675d2584786/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/76d781cd-b024-4e4a-9d62-d2416c4c60c0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015384
Signature
.NET source code contains potential unpacker
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 647878 Sample: Za6N0qN9eZ Startdate: 17/06/2022 Architecture: WINDOWS Score: 100 29 www.webdoan.online 2->29 31 webdoan.online 2->31 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 7 other signatures 2->49 10 Za6N0qN9eZ.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\Za6N0qN9eZ.exe.log, ASCII 10->27 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 Za6N0qN9eZ.exe 10->14         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 systray.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Tries to detect virtualization through RDTSC time measurements 17->39 23 cmd.exe 1 17->23         started        33 www.chengdubangdao.com 120.55.59.87, 49809, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 20->33 41 System process connects to network (likely due to code injection or exploit) 20->41 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-17 05:21:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6daov33kkquatcakwspivawe5erv4tvra43ijq6zdjgh44d4wbq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:grh2 loader rat
Link:
https://tria.ge/reports/220617-t9dljacfgq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d93de1d68aae3847824b11eb8f996956067512db44e61a581cd40073bc36651a
MD5 hash:
a55519b95450a731d3b006a37c05aba9
SHA1 hash:
f264b5cbdbe28d5928a6694a69ea225160004b4c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/24fc1c3d-b4d7-4320-8070-14c74bb770ec/
Parent samples :
e16a6b4f8f40398226babe7697203cb3cafcba921ef1328eef4ee46714f0f2a7
5e0b3793ea67f580aa658ab4629f7a4f4f9e307083c4ac4b6604a959d204b856
4fac64123dd9801541374d8d3bb647ed3f4378890841a7002ea48f3b14ea3872
482beb0818b4fb36d99de34bd14974c236009b5dea1b8a3fad616da83044d025
c578a70b3fe2f788f59898f782658c68b0d7e2ebe1ac30de156b1e65c270c061
38d9e46ffe8d5d1405ac99da1a744e591bc93232a51a89add6d10c00d0957710
680bdc790b1b414cf9717c6ec89bc84597d1d6afb9c3fbcbbfc57114395488b5
15445c010256a178c467773e86678ecdc33bc8519e4edb3703a1b3b17622f805
af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583
SH256 hash:
b347bd9d8072f4fae13911a4c4cb1715d726b504d4f01540b6a7d93eb268729b
MD5 hash:
a50415502b063689dd0cef1d24e57ea3
SHA1 hash:
d7eeb0c35067e3cf511bc9262857bc10ededf2ae
Link:
https://www.unpac.me/results/24fc1c3d-b4d7-4320-8070-14c74bb770ec/
SH256 hash:
577a3211e25da78672797539dd4be4a5a82b24fd84898e3ada733308c52a5aaf
MD5 hash:
297f53aec0ec4b93ee30cac0cf846554
SHA1 hash:
6fabf1ed5e93306f3cbbf232289791b9d75b2e21
Link:
https://www.unpac.me/results/24fc1c3d-b4d7-4320-8070-14c74bb770ec/
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
Link:
https://www.unpac.me/results/24fc1c3d-b4d7-4320-8070-14c74bb770ec/
SH256 hash:
af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583
MD5 hash:
28b51c5be3a1b785198ed93af6b660ce
SHA1 hash:
28ddb11a762f95dac1356c80579c1bc56473f037
Link:
https://www.unpac.me/results/24fc1c3d-b4d7-4320-8070-14c74bb770ec/
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/af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 af8607577b52a1404c4055a4f4541627491af2758839b4261ec8d263f383e583

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/281036/
  
URLhaus
https://urlhaus.abuse.ch/url/2240028/

Comments


Avatar
zbet commented on 2022-06-17 16:44:33 UTC

url : hxxp://198.46.199.160/copa/loaderx.exe