MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4f21c30390102bb2cfb96fb355c99641b457850f97ad136d1fa021429164ac7. 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


GuLoader


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4f21c30390102bb2cfb96fb355c99641b457850f97ad136d1fa021429164ac7
SHA3-384 hash: 4ef322d03e2c161f353bbbeecd984a31ca2704ade3f9ec56ccd93259f157ed1fb557f1c19399e4f471c017e682a612a2
SHA1 hash: 6618e48b770919453f16f0db560cccbc062ef7e9
MD5 hash: 7914d5d252054ab083f204edc7e4941f
humanhash: nine-cup-batman-mobile
File name:Order 3120220068RG (16801) SA.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:251'712 bytes
First seen:2022-09-02 15:13:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:nmOPGD//kQ7OE67/WeInHwOrhLCoXbc8/hSKePmnZLp7lw+:Wr/kG67zmw6hLCQbca1vLp7Z
TLSH T17F3401513391C46BDC424F30C62A5EFB9B32EE65E071561B2700BEADF9327818E2D769
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)
Reporter malwarelabnet
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Lanners Startprogrammers
Issuer:Lanners Startprogrammers
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-22T23:03:05Z
Valid to:2025-07-21T23:03:05Z
Serial number: -16689b2c286449f1
Thumbprint Algorithm:SHA256
Thumbprint: a4dc1701103cd9805552ca32bfd550052d98399bb5c2180bd058e3bd31226cdc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
528
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order 3120220068RG (16801) SA.exe
Verdict:
Malicious activity
Analysis date:
2022-09-02 15:13:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3346d12-eab4-4d4b-88b8-716ac40ddc83

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/307489/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.10307.17126.9153.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/36436/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63121e39e07da5f759afe61e/reports/a22abf50-64e6-4ead-8140-58b07286ea7a/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1c2e40d7-1b58-4870-9d35-1b93b596f24b
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1064209
Signature
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 696735 Sample: Order 3120220068RG (16801) SA.exe Startdate: 02/09/2022 Architecture: WINDOWS Score: 100 22 ftp.overviewsupplies.com 2->22 24 djbiharbasti.tk 2->24 30 Snort IDS alert for network traffic 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected GuLoader 2->34 36 3 other signatures 2->36 8 Order 3120220068RG (16801) SA.exe 5 35 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 38 Writes to foreign memory regions 8->38 40 Tries to detect Any.run 8->40 42 Opens the same file many times (likely Sandbox evasion) 8->42 12 CasPol.exe 15 11 8->12         started        16 CasPol.exe 8->16         started        signatures6 process7 dnsIp8 26 djbiharbasti.tk 62.210.127.245, 49747, 80 OnlineSASFR France 12->26 28 ftp.overviewsupplies.com 162.0.217.32, 21, 49750 ACPCA Canada 12->28 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->44 46 Tries to steal Mail credentials (via file / registry access) 12->46 48 Tries to harvest and steal ftp login credentials 12->48 54 2 other signatures 12->54 18 conhost.exe 12->18         started        50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->52 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4f21c30390102bb2cfb96fb355c99641b457850f97ad136d1fa021429164ac7/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2022-09-02 10:45:44 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
5 of 41 (12.20%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ytzbymbzaeblwlh3s35tkxezmqnuk6cq7f5ncnwr7ibbikiwjldq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220902-sma2fsadh4/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/8e263db0-3765-4760-aacc-0ae1d92e47fb/
SH256 hash:
c4f21c30390102bb2cfb96fb355c99641b457850f97ad136d1fa021429164ac7
MD5 hash:
7914d5d252054ab083f204edc7e4941f
SHA1 hash:
6618e48b770919453f16f0db560cccbc062ef7e9
Link:
https://www.unpac.me/results/8e263db0-3765-4760-aacc-0ae1d92e47fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c4f21c30390102bb2cfb96fb355c99641b457850f97ad136d1fa021429164ac7

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/307489/

Comments