MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b
SHA3-384 hash: 216b3aef313e12c5cdaf2e83a0f783584fe732e05a4f0f044dd56f167d3c4beba56afb317c2ab81acdf9d68576c5d1e7
SHA1 hash: ca092e52319047d609cb6fcca1821a8f873416df
MD5 hash: 812861ad5cbb91bfa01a6a15c2cef128
humanhash: south-solar-happy-hamper
File name:S9yf6BkjhTQUbHE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:446'976 bytes
First seen:2021-11-25 13:35:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:iDW+U0QixBFmqI9AY9aVrwRn+BbxGmG5tquMAQ52RJeHEO:iDvU0Qi1hIhaVASx85tquMAQ52HdO
Threatray 12'650 similar samples on MalwareBazaar
TLSH T1BD94021063AD6116CEAD0776A0B49318533ED675FA0FDB5D33C3B56819E370287226AF
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
S9yf6BkjhTQUbHE.exe
Verdict:
Malicious activity
Analysis date:
2021-11-25 13:39:20 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/716ba45f-7d67-47a5-94d8-6d4a5a84d1de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/619f9145b71ceed415300d8c/reports/7ac8e88b-7364-4eef-9bb3-08b514bef16e/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87de5036-f703-4e79-a6d9-8073d6c9bdc8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896147
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 528622 Sample: S9yf6BkjhTQUbHE.exe Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 34 www.peregorodki.store 2->34 36 www.fullerhomeloans.com 2->36 38 8 other IPs or domains 2->38 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 7 other signatures 2->54 11 S9yf6BkjhTQUbHE.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\...\S9yf6BkjhTQUbHE.exe.log, ASCII 11->32 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 15 S9yf6BkjhTQUbHE.exe 11->15         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 18 explorer.exe 15->18 injected process9 dnsIp10 40 www.xn----pl8a630b0whm6t.com 23.106.123.249, 80 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Singapore 18->40 42 www.anamentor.com 172.67.178.31, 49825, 80 CLOUDFLARENETUS United States 18->42 44 4 other IPs or domains 18->44 56 System process connects to network (likely due to code injection or exploit) 18->56 58 Performs DNS queries to domains with low reputation 18->58 22 msdt.exe 12 18->22         started        26 autoconv.exe 18->26         started        signatures11 process12 dnsIp13 46 www.xn----pl8a630b0whm6t.com 22->46 60 Self deletion via cmd delete 22->60 62 Modifies the context of a thread in another process (thread injection) 22->62 64 Maps a DLL or memory area into another process 22->64 66 Tries to detect virtualization through RDTSC time measurements 22->66 28 cmd.exe 1 22->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-25 13:45:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uze5efvvlmhqlf5bm2ilqru3nnclttohgvqnqi3tq6zn6is2wifq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3b5e31e4b62087dfa7cac1a39c31896d25d465c971fe1db3e9a9271471ce416d
Formbook
4cef73e83df4c6bb091a157a975a38a2c50be436649414a2ac7a55bc62e67da0
Formbook
6b7d061085da569762cabe1387c4aed2fe6fc1bac9634429b636a020122f77aa
Formbook
6f3ddb071f889d2c41a27e1237113f333ffee0232997b95896767d354eef7df5
Formbook
77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
afac806262706aea36f8c34cb56ffa94f49da9b39b752cfd077f9b921e972c1d
Formbook
b830b088dcc04db74fc8afbb16dcfff0134c405228be44df5d996a9a5b254bff
Formbook
f0748cd86f2648c4ff23611f87661ba89045039966eb9595c2fb4d046249e1f2
Formbook
+ 12'640 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:czh8 loader rat
Link:
https://tria.ge/reports/211125-qv874safe8/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.peptidepowder.com/czh8/
Unpacked files
SH256 hash:
99fe1191e78f903725e42f10c8dfebd30a8bbd1c424de6d8eb69f339b1c3390b
MD5 hash:
2b412c9a3e1f7a0548fb2eb5200f04a1
SHA1 hash:
d6174451d5eda6a5c509ffa0159ac85b8e0582ee
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0a7a0cb3-e538-4b4b-a22f-eb276239adb2/
SH256 hash:
7a10284c9fa8b4d3b1874dfe4a6daa95f6190cda95aaa0ba8a3ed57c07f214a9
MD5 hash:
37c837bcff4c35f2aecfea62bd1127d8
SHA1 hash:
7472910215817723369362c85370cbaa9149b5f2
Link:
https://www.unpac.me/results/0a7a0cb3-e538-4b4b-a22f-eb276239adb2/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/0a7a0cb3-e538-4b4b-a22f-eb276239adb2/
SH256 hash:
a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b
MD5 hash:
812861ad5cbb91bfa01a6a15c2cef128
SHA1 hash:
ca092e52319047d609cb6fcca1821a8f873416df
Link:
https://www.unpac.me/results/0a7a0cb3-e538-4b4b-a22f-eb276239adb2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a649d216b55b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b

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: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.

Malspam

Formbook

Executable exe a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209373/

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