MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255
SHA3-384 hash: a65c8bb30671c331b1b36a6b3d79c851339f6b467e4a18211a3edfac2522ad38fa26e9c614ec2a77e4ad7cce2a36b319
SHA1 hash: adb366632135a3ec936ed3eacc25b6fa92bc2f7a
MD5 hash: a87ec5beffc643899c6f0c8bb4dcf32b
humanhash: black-april-magazine-helium
File name:script.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'370'560 bytes
First seen:2023-07-31 19:21:36 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 24576:l7Kdn4d82tO4Xgyk4MD2+g85pjKfSLftbeGPl/Lsj2/41awQFBmaOPKWZihy2VO8:l7A424MD2fkc6Ttb+jlcwQFBmagKkR+
Threatray 3 similar samples on MalwareBazaar
TLSH T124B533087D291D39E3E569BC787980968095E63C7F0E8F8DDAD061A75733D3BA624332
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)
Reporter sockd86
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
script.exe
Verdict:
Malicious activity
Analysis date:
2023-07-31 19:24:29 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/d5e95568-a6a8-42c9-8ed4-a1ab9e316c7b

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/439473/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.20338.24268.17366.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64c809dce64bd705397f1439/reports/077d6c4a-f0d7-43b5-91d0-b669c8473d7a/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255
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:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab06442e-f16e-4c18-b956-c5bfb334f840
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1283384
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Potential dropper URLs found in powershell memory
Potentially malicious time measurement code found
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sample is not signed and drops a device driver
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283384 Sample: script.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 100 108 Multi AV Scanner detection for domain / URL 2->108 110 Found malware configuration 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 14 other signatures 2->114 8 Steam.exe 4 501 2->8         started        12 steamservice.exe 2->12         started        15 script.exe 6 2->15         started        17 5 other processes 2->17 process3 dnsIp4 104 2.21.22.184 AKAMAI-ASN1EU European Union 8->104 76 C:\Program Files (x86)\...\clientui.uifont_, PDP-11 8->76 dropped 78 C:\...\clientui.uifont (copy), PDP-11 8->78 dropped 88 44 other files (43 malicious) 8->88 dropped 19 steam.exe 8->19         started        80 C:\...\SteamStreamingSpeakers.sys, PE32 12->80 dropped 82 C:\...\SteamStreamingMicrophone.sys, PE32 12->82 dropped 90 20 other files (8 malicious) 12->90 dropped 124 Sample is not signed and drops a device driver 12->124 22 WerFault.exe 12->22         started        84 C:\Users\user\AppData\...\WindowsUpdater.exe, PE32 15->84 dropped 92 2 other files (1 malicious) 15->92 dropped 126 Encrypted powershell cmdline option found 15->126 24 SteamSetup.exe 16 70 15->24         started        27 WindowsUpdater.exe 14 2 15->27         started        30 powershell.exe 15 15->30         started        106 192.229.221.95 EDGECASTUS United States 17->106 86 C:\...\SteamServiceTmp.exe, PE32 17->86 dropped 32 SteamServiceTmp.exe 17->32         started        34 WerFault.exe 17->34         started        file5 signatures6 process7 dnsIp8 96 2.21.22.169 AKAMAI-ASN1EU European Union 19->96 36 steamwebhelper.exe 19->36         started        40 vulkandriverquery64.exe 19->40         started        42 vulkandriverquery.exe 19->42         started        51 2 other processes 19->51 68 C:\Program Files (x86)\...\SteamService.exe, PE32 24->68 dropped 70 C:\Program Files (x86)\Steam\Steam.exe, PE32 24->70 dropped 72 C:\Users\user\AppData\Local\...\nsProcess.dll, PE32 24->72 dropped 74 5 other files (none is malicious) 24->74 dropped 44 SteamService.exe 20 3 24->44         started        98 208.95.112.1 TUT-ASUS United States 27->98 100 8.8.8.8 GOOGLEUS United States 27->100 120 Multi AV Scanner detection for dropped file 27->120 122 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 27->122 47 conhost.exe 30->47         started        49 conhost.exe 32->49         started        file9 signatures10 process11 dnsIp12 102 192.168.2.1 unknown unknown 36->102 116 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 36->116 53 steamwebhelper.exe 36->53         started        56 steamwebhelper.exe 36->56         started        58 steamwebhelper.exe 36->58         started        60 steamwebhelper.exe 36->60         started        62 conhost.exe 40->62         started        64 conhost.exe 42->64         started        94 C:\Program Files (x86)\...\steamservice.exe, PE32 44->94 dropped 66 conhost.exe 44->66         started        file13 signatures14 process15 signatures16 118 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 53->118
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-07-31 19:22:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zyullozw5lrma45fqvuvdirn4oli57lrhxy4jy3twhqwz7s24jkq._file
Verdict:
malicious
Similar samples:
8f485c0ced1df9b72c676413a4fbf7dcb0ff502cb90932cfe4430c08d8c87de5
Formbook
b79718f59f3d7d72a416fe00c3ab3477b43282981e69f9cf5426b2c8012423c1
Formbook
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/230731-x28cqabe9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Xworm
Malware Config
C2 Extraction:
line-ellis.gl.at.ply.gg:28479
Unpacked files
SH256 hash:
7b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
MD5 hash:
c5b9fe538654a5a259cf64c2455c5426
SHA1 hash:
db45505fa041af025de53a0580758f3694b9444a
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
9a88bccecb259132fab9a4f1772aad101941ec94a6dc4066f682ea98a8e7bb5c
MD5 hash:
0a3e96735158c2cfc4428be229bc5dd3
SHA1 hash:
c55008fe4406c21e8ec464eb8b8e896a9360f689
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
MD5 hash:
0d45588070cf728359055f776af16ec4
SHA1 hash:
c4375ceb2883dee74632e81addbfa4e8b0c6d84a
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
MD5 hash:
f0438a894f3a7e01a4aae8d1b5dd0289
SHA1 hash:
b058e3fcfb7b550041da16bf10d8837024c38bf6
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
e2ad7736209d62909a356248fce8e554093339b18ef3e6a989a3c278f177ad48
MD5 hash:
98a4efba4e4b566dc3d93d2d9bfcab58
SHA1 hash:
8c54ae9fcec30b2beea8b6af4ead0a76d634a536
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
8dc2be6679497994e3ddc97bc7bc1ce2b3c17ef3528b03ded6696ef198a11d10
MD5 hash:
0c44f21d4afc81cc99fac7cc35e4503a
SHA1 hash:
3d0d5c684df99a46510c0e2c0020163a9d11c08d
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
aeb089c6fea2c333cd0f506515f59aae0912d4226cc170631c3fbc7641111cb4
MD5 hash:
5c0844517db2198d394e14e2fdccd91a
SHA1 hash:
e23791e40b58a6e48ddbdb0a6cc83592be6cbe7e
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
b3e1b228e49f9482bf5eb05f161b35abe57f809d9239cdac202b2833cfd46561
MD5 hash:
cc5f76d091088b22bb0175a9aaf59b6b
SHA1 hash:
47204f1f1db0e66a6d8a7ae803f00a3cd4a64078
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
8c6a95a1bf06c22224ab43bc1a1948f2cb0fd8d7089f2b828033c0fde161d2c2
MD5 hash:
d5bf01b2a316120d3d906e48e850520e
SHA1 hash:
a0e2f1caca1d35c227d231e6063d71ffe1d06322
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
SH256 hash:
ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255
MD5 hash:
a87ec5beffc643899c6f0c8bb4dcf32b
SHA1 hash:
adb366632135a3ec936ed3eacc25b6fa92bc2f7a
Link:
https://www.unpac.me/results/717d85bc-8c77-419b-b412-fee1bc77d58b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255

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: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 ce28b5bb36eae2c073a5856951a22de3968efd713df1c4e373b1e16cfe5ae255

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/439473/

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