MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750
SHA3-384 hash: 4da36dd80847d01eb854e49db8d3e46eddff7ffcd734bfd862ea216f22e0dca2e9cc9324311f014c98fa0f3c82f31894
SHA1 hash: 0fc574d55744106f7d26308f7e0975fcc3600727
MD5 hash: b3da8c754693d396ea6855b34fcbf15d
humanhash: cardinal-rugby-nebraska-saturn
File name:OUR RFQ DETAILS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:653'312 bytes
First seen:2023-12-04 09:07:59 UTC
Last seen:2023-12-04 10:33:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 12288:rT45+po2/ts/2fxEyV4vneNeiMmtYjugcbIQMrNB2:rS+pJO/2JEyhEjJ/QMB
Threatray 398 similar samples on MalwareBazaar
TLSH T1DCD42383B3A98716D8AD43F9B1E75C948732AA5BB020DDDD1ED270CC1977F111E81AA3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
OUR RFQ DETAILS.exe
Verdict:
Malicious activity
Analysis date:
2023-12-04 09:14:41 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/051dafe1-14bf-4285-9ae9-f17d6b6b5a1e

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/462277/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.6389.23296.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656d9702bcca970107d927b7/reports/7d001b07-7b06-4fab-9988-0fcff119006c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff393e3c-4871-48d9-830a-6729feb43498
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352974
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 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)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352974 Sample: OUR_RFQ_DETAILS.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 60 www.luminaryforge.xyz 2->60 62 www.successlisa.com 2->62 64 17 other IPs or domains 2->64 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 82 8 other signatures 2->82 10 OUR_RFQ_DETAILS.exe 7 2->10         started        14 qkobnV.exe 5 2->14         started        signatures3 80 Performs DNS queries to domains with low reputation 60->80 process4 file5 56 C:\Users\user\AppData\Roaming\qkobnV.exe, PE32 10->56 dropped 58 C:\Users\user\AppData\Local\...\tmpBE88.tmp, XML 10->58 dropped 94 Uses schtasks.exe or at.exe to add and modify task schedules 10->94 96 Adds a directory exclusion to Windows Defender 10->96 98 Injects a PE file into a foreign processes 10->98 16 OUR_RFQ_DETAILS.exe 10->16         started        19 powershell.exe 23 10->19         started        21 schtasks.exe 1 10->21         started        23 conhost.exe 10->23         started        100 Antivirus detection for dropped file 14->100 102 Multi AV Scanner detection for dropped file 14->102 104 Machine Learning detection for dropped file 14->104 25 qkobnV.exe 14->25         started        27 schtasks.exe 1 14->27         started        29 qkobnV.exe 14->29         started        signatures6 process7 signatures8 72 Maps a DLL or memory area into another process 16->72 31 gHkUvvOMXCuRZKZ.exe 16->31 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 gHkUvvOMXCuRZKZ.exe 25->37 injected 40 conhost.exe 27->40         started        process9 signatures10 42 DevicePairingWizard.exe 13 31->42         started        45 verifiergui.exe 31->45         started        84 Maps a DLL or memory area into another process 37->84 47 DevicePairingWizard.exe 37->47         started        49 verifiergui.exe 37->49         started        process11 signatures12 86 Tries to steal Mail credentials (via file / registry access) 42->86 88 Tries to harvest and steal browser information (history, passwords, etc) 42->88 90 Writes to foreign memory regions 42->90 92 3 other signatures 42->92 51 gHkUvvOMXCuRZKZ.exe 42->51 injected 54 firefox.exe 42->54         started        process13 dnsIp14 66 www.luminaryforge.xyz 199.192.23.169, 49725, 49726, 49727 NAMECHEAP-NETUS United States 51->66 68 krystas.com 50.87.145.7, 49758, 49759, 49760 UNIFIEDLAYER-AS-1US United States 51->68 70 12 other IPs or domains 51->70
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 05:10:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ekbrmkazdsicvhwnbmyiekua7vq4x4zmuemzntdx6p5oyv5c65ia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01c08f7f6e5e5b8056c649e8b0b5bcdcb47835323bc393bc2582f5cf720ba437
Formbook
348508fd5973a10f63d15f2f8658c8031a64465cd107e02851fe8968441708e4
Formbook
6867aea0a81bab2bbdd2f0813185c930ee498c97e99421f3c769dabfad58a573
Formbook
6de3ca2658af9f752d06492509b21dbe3862fc018270f56d5a2894cb6e5a1e7a
Formbook
9380dc7e546ed55db36fc36f1ab0b67ef59d755cc5295d8baae783244289027b
Formbook
aa6cd6162fb3dcd29b8b8d404c59e5cc6ea032f967af8aeb155e556ab872fc1e
Formbook
+ 388 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231204-k3x7xsab2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
e1cd422211be8313432e060230077ee44ecb740f81422361302ac6e94d30533f
MD5 hash:
877cc005d14ec4e34298beefdf4b144f
SHA1 hash:
56712f1810d9fb498c02f56c121d42d0fc60b5f1
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
SH256 hash:
edae7ae229469994b2558a42df4a49ff6c06c162d3e866182b9db025c8e85f00
MD5 hash:
d5ceed36293049865176a4304c6014c2
SHA1 hash:
316bad7b72ceeac13f3dd2fad8fc62485e08c5b2
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
SH256 hash:
3972a821b0407d381d8566d833d635d2e7523e1edf57fe507b2118a2a244f1f6
MD5 hash:
03b5cf19cea7d4158f62a4e2eac7c42d
SHA1 hash:
fa17c3e267cca850e27ffcc53d9cd54f94da4822
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
SH256 hash:
22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750
MD5 hash:
b3da8c754693d396ea6855b34fcbf15d
SHA1 hash:
0fc574d55744106f7d26308f7e0975fcc3600727
Link:
https://www.unpac.me/results/89d16279-0ee0-46bd-9089-9a1fe1992987/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/22831628191c/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/22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462277/

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