MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585
SHA3-384 hash: 5b2dde5fa8695a6e2b92d4468ab276810f29253379e1b21c73903b2f2bf908e1b7340c9650cd82308f6107baf397df8c
SHA1 hash: ae40ca0d6b91624cd8d9ef1b30e1ce2338c3309f
MD5 hash: 3359916b838254bede2336070d99b6e5
humanhash: river-mobile-fanta-glucose
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:231'014 bytes
First seen:2022-10-28 14:46:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 3072:qUJoFfWzzl+cSM2wPddXssJXKAI95ibwrhlikpXbeK3eMmR6M3vcJLSmKqcHKrF+:qweEp2KjV5IDiErh7bNmv0JLlcHKrF+T
TLSH T17334123A769280F7D6D50F3188F3A2A9D1B2DA09560673CBC7614F3A3D502DF960E287
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter jstrosch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Q44 Ponuda_4523600000000000.xls
Verdict:
Malicious activity
Analysis date:
2022-10-28 06:38:11 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/118c28a4-9d80-4429-92ab-a390e46b287e

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/325561/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13713.21881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Creating a file in the system32 subdirectories
Creating a file
DNS request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/46376/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/635beb68b8952e91d3d228b0/reports/069557ee-0775-46ce-af7d-f5ab78d098c2/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/2bb7cdb6-101b-498b-9431-50b09f8406d4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1100450
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733111 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 file.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\xxrkypy.exe, PE32 9->25 dropped 12 xxrkypy.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 xxrkypy.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 27 www.aviatorlogin.art 185.18.54.76, 49701, 49702, 80 WORLDSTREAMNL Spain 18->27 29 www.gsm-partner.com 103.141.96.25, 49699, 49700, 80 VECTANTARTERIANetworksCorporationJP Japan 18->29 31 19 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 rundll32.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 11:40:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g76cplszhrl4sbqiv6mstv5n4t6fsjhmjz4vyrc4jp4klin7qwcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f4ca rat spyware stealer trojan
Link:
https://tria.ge/reports/221028-r5vyxagcgn/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3ac2ab2b-6187-4401-822f-a3ee205911c9
Unpacked files
SH256 hash:
a2a4ffafcc8edff94a7d9778876027fddcecf792c7ee88d08db8a8848af486b3
MD5 hash:
9e4de19ae7a532800a5f23ddf30895e4
SHA1 hash:
9903e10cf922afdda6ecb0114706ccaf96fd5d77
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6b4dd0a0-c513-42c6-afdf-b2fd9c8c017f/
Parent samples :
37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585
1d05865cde860a1f608fd49bb66177de78e910bb2dc231b57908a388dea5c0c2
f3ddd84b590f6579c2bb685fa8bb486564c0ba53ff5619565feba5b79aba251a
89e3278b4afa50ac135ccc101ee85abe02ef3d1150d8c270eb9936f45b29e7c6
707b97fb5258d16558c7586accf54557419645343d004c5563ec7dea786aafad
48fcd109b51adcad58459318c092f4b6e8e5dcca682f9d60e1592e53dbb6174b
14afee34b6a36a32b34c61556e46fef92e6a2d9066c758308bb9caea4a94ae2a
c71e8cd3e58eaeab5de7d296fa62fd6fcad415facc687629d71b25bab56550eb
b9f158fac329391c893814424e77c4f9fc0460026b93327d8cf35598a561a1de
SH256 hash:
35fcdeaad36bbf3f29d5c97125bf397ab01498c5708a100deeafbef112c3495b
MD5 hash:
2eab160ab46f5318bb027b433c697087
SHA1 hash:
a12bf5570a91a8a40c199d1d563a3cd6a1c27e11
Link:
https://www.unpac.me/results/6b4dd0a0-c513-42c6-afdf-b2fd9c8c017f/
SH256 hash:
72eefcdcbb8c9510a83e9ce80810d84688416ede5d4041aee4944f04b7cb903b
MD5 hash:
818e4839cf473064fde652fb001fcce6
SHA1 hash:
b051185eddc6992bd0b4092e338ed067487af57a
Link:
https://www.unpac.me/results/6b4dd0a0-c513-42c6-afdf-b2fd9c8c017f/
SH256 hash:
37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585
MD5 hash:
3359916b838254bede2336070d99b6e5
SHA1 hash:
ae40ca0d6b91624cd8d9ef1b30e1ce2338c3309f
Link:
https://www.unpac.me/results/6b4dd0a0-c513-42c6-afdf-b2fd9c8c017f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

Formbook

Executable exe 37fc27ae593c57c90608af9929d7ade4fc5924ec4e795c445c4bf8a5a1bf8585

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/325561/
  
URLhaus
https://urlhaus.abuse.ch/url/2389557/

Comments