MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a
SHA3-384 hash: d251a9434b088eefe0f894cdb535cc62df076514f59847e76535bccb1f840aff0206b29032e55ef9ef9d37894576dd5a
SHA1 hash: 65796ba3505653a3f1c200420bcbd680d2055bf9
MD5 hash: 03964ea54dd56c6be5d7295c75c31d5f
humanhash: cup-happy-helium-violet
File name:RFQ-06062023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:643'889 bytes
First seen:2023-06-09 07:00:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:ZYD7OlRtNWDKhL3dmqNpPAf+KrN9XlYUnHDKBhuqv7ENHWhCw:ZYD7mtQutNpImKrLXtnjYIqv7EN2hZ
Threatray 2'927 similar samples on MalwareBazaar
TLSH T13DD423244FE8E5E6FC91C7317E79ABDA2E75A6070C70B65A1391FF0E7107602D809792
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ-06062023.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 07:04:40 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/dc1a2e99-9449-4e3d-9c69-5613392ddc4f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/397196/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.11865.32225.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Unauthorized injection to a recently created process
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6482ce3216ef507f2142011a/reports/ff388c5a-2149-4418-a9b3-b67ec649573e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a
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/76b9dd34-324f-480d-964b-5bd564f0b664
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251701
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to modify clipboard data
Found API chain indicative of sandbox detection
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
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
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: 884769 Sample: RFQ-06062023.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 4 other signatures 2->46 9 RFQ-06062023.exe 20 2->9         started        process3 file4 28 C:\Users\user\AppData\...\oksmjcbnqa.exe, PE32 9->28 dropped 30 C:\Users\user\AppData\Local\Temp\nst3CA.tmp, COM 9->30 dropped 12 oksmjcbnqa.exe 1 2 9->12         started        16 svchost.exe 9->16         started        process5 file6 32 C:\Users\user\AppData\...\njoxhclua.exe, PE32 12->32 dropped 64 Machine Learning detection for dropped file 12->64 66 Found API chain indicative of sandbox detection 12->66 68 Contains functionality to modify clipboard data 12->68 70 Maps a DLL or memory area into another process 12->70 18 oksmjcbnqa.exe 12->18         started        signatures7 process8 signatures9 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 njoxhclua.exe 18->21         started        process10 dnsIp11 34 www.mudwoods.com 217.76.156.252, 49702, 49703, 49704 ONEANDONE-ASBrauerstrasse48DE Spain 21->34 36 www.garagebuild.life 64.190.62.22, 49718, 49719, 49720 NBS11696US United States 21->36 38 9 other IPs or domains 21->38 54 Performs DNS queries to domains with low reputation 21->54 56 Machine Learning detection for dropped file 21->56 25 cmd.exe 13 21->25         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Tries to harvest and steal browser information (history, passwords, etc) 25->60 62 Maps a DLL or memory area into another process 25->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-06-08 11:19:54 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgmqv7xbzjk7ikrjfjh5jsarglqknas6thf2ance4kcsiuuxi5va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4
Formbook
1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
Formbook
3d269d34d687979b0d73960f880ef5eaf5cd4bf4b90129ce5d6c0c5f8ec58995
Formbook
6b2d71b9e5b1ed1d75d7eb03141735491c906c4e4dc6846bc1ef6e032507b1a5
Formbook
8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
Formbook
8c5606a7010f8a4d5701c1b99fd91af0d1b59bf9bbedb345ba09b449a70fc29f
Formbook
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
Formbook
bd06c34a413a4ca8e49ec57f8ea6f52f69eb16c4fce86db93761c4da50c94edc
Formbook
bf71631457bec8633d10c816bfa914ef51bee4acda9a37c2613697976a21decb
Formbook
+ 2'917 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230609-hs782aca5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
Link:
https://www.unpac.me/results/81aa0df4-e66d-477e-a631-04cf413d2099/
Parent samples :
90e38d684c63fee4e5d7bdd16c4409022bf9edfc7cf266b9e49936962ce37b03
24fca3cd8aad055b2284fdf5c0cd73642b88bb19de7c3137361e46529da5b67f
8a2edeef9978d454882bfb233d9cd77505618b854f7899b27aeb095ff8ebb3f4
cc7cb2ebb12103aea621ec7962819aced4680b4322bc213a9257b36c8f2dab3e
cfa0a176bad0046bd498a5a7f5140ca92734b096c541a54acd1b002f228ec47c
22f34cc0b56ea1709b3af15b41b43fc40fca2b77debb8400108d3f517ee2ed4a
607e8a91c76f444784c2cbc1090cf8724d882d9861641a1f6e0de6b2b9401859
2de4a8c16d3643a3c58c63f4e7df2836919316635c05718dac1e474b6eb7fe29
ec61895ef8af01ff00970e46f7ba98c24bf9079d71e09d3c18576f1a9efc93c2
c1955052a26634f3571423dc64d3fd10c55fdb27f29eb3afd292787693ffcf91
4d4f7a1cb34d5309e1c82e7110209c974a08b3e82eaaf7799d7d9a3a176132ca
48860a4eb801109046a591d18809b1ff3e2b658f2a09c6fb36c4948cb88eb939
08ec22dd1d931a9d4194d5e46bc42914e62227c11e9fedce2175fe6a53eb4f92
6bef7c9809b35c7a2111872544e68aa29b8323f5936b6b1122c5f4138cf6e1e8
7e18e5fe9e980c48ad67cc2ce7423e818e15c1256e2ffe4ce85c5cfbd5b30877
5dbc3e721cd340dd80bfa7d0127d920f5f2630aa4b3b3ecfb8d2af9f28f0e208
4fe8bbc88d7a8cc0eec24bd74951f1f00b5127e3899ae53de8dabd6ff417e6db
6b6676267c70fbeb3257f0bb9bce1587f0bdec621238eb32dd9f84b2bcd7e3ea
1ffa8b06cb779360f8c42ccd4527ae3076d25d11b3a90976f04ea430173e9b85
e92f111b8aa01289f72c66585219861e0117c9939de56741cbb234fee55536fe
b69687c4b9aa0c1599840ea90562d3833367e8095addfc725fc2b52fad6ee565
SH256 hash:
c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a
MD5 hash:
03964ea54dd56c6be5d7295c75c31d5f
SHA1 hash:
65796ba3505653a3f1c200420bcbd680d2055bf9
Link:
https://www.unpac.me/results/81aa0df4-e66d-477e-a631-04cf413d2099/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9990afee1ca/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/c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a

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
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe c9990afee1ca55f42a292a4fd4c81132e0a6825e99cba03444e285245297476a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/397196/

Comments