MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4864f6d93e8007d0381a4b2a9b5ddabf23d1cd9295e378da385e7a268bc62c56. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 4864f6d93e8007d0381a4b2a9b5ddabf23d1cd9295e378da385e7a268bc62c56
SHA3-384 hash: f18bffa9343147f393b161c0cd30c7eb52fa77611c273f84085c114214a553582990123853f824548b1994a476183a97
SHA1 hash: fe127f9311257903ec580f48fce21ceca2682226
MD5 hash: 720786b779e84e282bea41905906794d
humanhash: jig-timing-lima-august
File name:SecuriteInfo.com.Trojan.MSIL.Remcos.AOBD.MTB.22273.9338
Download: download sample
Signature Formbook
Create hunting rule
File size:2'203'136 bytes
First seen:2022-11-15 09:39:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 49152:D6sFLwqq7WBHCPz6QGm55vOIXOXLRueJOvHDqdg9CiRvrx1:twP7WBSzRGmOI+bXJ69zRvrv
TLSH T10DA533D51002BDAFDA74427AC2D568C44B7F4F027083DA6EAA6B744AC6BBD341F3B851
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e0c4a2a2a4bcbcf8 (15 x Loki, 12 x Formbook, 5 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.MSIL.Remcos.AOBD.MTB.22273.9338
Verdict:
Malicious activity
Analysis date:
2022-11-15 09:40:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2ba46a4e-3186-4b4b-9e3f-760723a0a457

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/334151/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Remcos.AOBD.MTB.22273.9338.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63735e75f75d59fef0b971aa/reports/4db0190d-5d4e-4b92-9eb2-42d5682ca00a/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:
Unknown
Link:
https://analyze.intezer.com/analyses/8b1ba249-b7dd-47ac-b636-b076b4469202
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1113638
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746334 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 7 other signatures 2->51 7 Dfcgnvrsx.exe 4 2->7         started        10 SecuriteInfo.com.Trojan.MSIL.Remcos.AOBD.MTB.22273.9338.exe 1 7 2->10         started        13 Dfcgnvrsx.exe 3 2->13         started        process3 file4 53 Antivirus detection for dropped file 7->53 55 Multi AV Scanner detection for dropped file 7->55 57 Machine Learning detection for dropped file 7->57 15 powershell.exe 12 7->15         started        17 Dfcgnvrsx.exe 7->17         started        39 C:\Users\user\AppData\...\Dfcgnvrsx.exe, PE32 10->39 dropped 41 C:\Users\...\Dfcgnvrsx.exe:Zone.Identifier, ASCII 10->41 dropped 43 SecuriteInfo.com.T....22273.9338.exe.log, ASCII 10->43 dropped 59 Encrypted powershell cmdline option found 10->59 19 powershell.exe 14 10->19         started        21 SecuriteInfo.com.Trojan.MSIL.Remcos.AOBD.MTB.22273.9338.exe 10->21         started        23 powershell.exe 13 13->23         started        25 Dfcgnvrsx.exe 13->25         started        27 help.exe 13->27         started        29 Dfcgnvrsx.exe 13->29         started        signatures5 process6 process7 31 conhost.exe 15->31         started        33 conhost.exe 19->33         started        35 conhost.exe 23->35         started        37 explorer.exe 25->37 injected
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4864f6d93e8007d0381a4b2a9b5ddabf23d1cd9295e378da385e7a268bc62c56/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-15 05:44:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jbspnwj6qad5aoa2jmvjwxo2x4r5dtmssxrxrwrylz5cnc6gfrla._file
Verdict:
malicious
Label(s):
formbook
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masslogger
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fbce persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-lm7xvsfh55/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cc8962df-3aa9-4d3f-b4a8-6d14453a2bdb
Unpacked files
SH256 hash:
fe7dd3009e01e6c42cc4206b66f24dc580e59dfc5f10ed0520cf6453da876f08
MD5 hash:
4100b0b0e4175557da9158d652bb758b
SHA1 hash:
2bd6e7c6839062200f170c32640f1b48dffdfd15
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/06a37002-90c0-447a-9ac5-1bc4fa718606/
Parent samples :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 hash:
5b6775eb9cc741aff04f78a75f2456223c52f5aa6cd686ddaa4cb0206a51fbc3
MD5 hash:
dc060082bea4c4bd8a7f76f05749ba79
SHA1 hash:
300c1a90f84eae0ee87033d75fb29264c67fd10b
Link:
https://www.unpac.me/results/06a37002-90c0-447a-9ac5-1bc4fa718606/
SH256 hash:
7a0b3cb35deac43b0459499ad4ec16a7b85c40f67362b4dcbd302bd15af64de9
MD5 hash:
f28bed10026197724e5c1420cdbbe09b
SHA1 hash:
898370379cc59eec95c8c9429231b3c25002f253
Link:
https://www.unpac.me/results/06a37002-90c0-447a-9ac5-1bc4fa718606/
SH256 hash:
4864f6d93e8007d0381a4b2a9b5ddabf23d1cd9295e378da385e7a268bc62c56
MD5 hash:
720786b779e84e282bea41905906794d
SHA1 hash:
fe127f9311257903ec580f48fce21ceca2682226
Link:
https://www.unpac.me/results/06a37002-90c0-447a-9ac5-1bc4fa718606/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4864f6d93e80/report/overview.html
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/4864f6d93e8007d0381a4b2a9b5ddabf23d1cd9295e378da385e7a268bc62c56

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.

Cape
Cape
https://www.capesandbox.com/analysis/334151/

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