MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a18ddbcb974723faec3f0bda9244216649786ca41471cc63049999d0408d7009. 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

SHA256 hash: a18ddbcb974723faec3f0bda9244216649786ca41471cc63049999d0408d7009
SHA3-384 hash: 46701ac5f50955e24ac6ae2e4de04c1032f390c67a184ac76ba39523d618a67bd7f7da33e5872ab0491538fc0e910e16
SHA1 hash: ece05a0ce3cb7b1524e607121525dce53d5ef362
MD5 hash: 64b2a30bec89e89714b391908fb8ceff
humanhash: double-moon-diet-hydrogen
File name:3,204 USD Swift Bildirimi 12.12.2022.exe
Download: download sample
Signature GuLoader
File size:653'737 bytes
First seen:2022-12-13 22:55:39 UTC
Last seen:2023-01-06 10:56:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 12288:5ms7kmH3YwbAD4IzsdumUV7/fXnG4Jbt1YuVQ7MCnC+xYXTC+bkqspoD:0swets4Iz6rU/fXXXWuVQAwxeWE1b
Threatray 203 similar samples on MalwareBazaar
TLSH T130D4127157B1C8CBCCAC0AF44233632A123AC66DAC049E03EEED6D6FBD593581D27659
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 cce8f0f0f0e87112 (7 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
4
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3,204 USD Swift Bildirimi 12.12.2022.exe
Verdict:
Malicious activity
Analysis date:
2022-12-13 22:56:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 766581 Sample: 3,204 USD Swift Bildirimi 1... Startdate: 14/12/2022 Architecture: WINDOWS Score: 100 28 mail.gfrabkonline.com 2->28 30 gfrabkonline.com 2->30 32 3 other IPs or domains 2->32 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected GuLoader 2->44 46 3 other signatures 2->46 8 3,204 USD Swift Bildirimi 12.12.2022.exe 2 34 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Roaming\...\Fluffer.Uig, data 8->20 dropped 22 C:\Users\user\...\plugin-container.exe, PE32+ 8->22 dropped 24 C:\Users\user\AppData\...\ConsolePauser.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 48 Writes to foreign memory regions 8->48 50 Tries to detect Any.run 8->50 12 CasPol.exe 15 12 8->12         started        16 CasPol.exe 8->16         started        signatures6 process7 dnsIp8 34 gfrabkonline.com 204.12.248.163, 49881, 587 WIIUS United States 12->34 36 api4.ipify.org 173.231.16.76, 443, 49879 WEBNXUS United States 12->36 38 wordpress-363999-2751017.cloudwaysapps.com 178.128.36.26, 443, 49878 DIGITALOCEAN-ASNUS Netherlands 12->38 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 62 3 other signatures 12->62 18 conhost.exe 12->18         started        58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->60 signatures9 process10
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-12-12 17:15:53 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a18ddbcb974723faec3f0bda9244216649786ca41471cc63049999d0408d7009
MD5 hash:
64b2a30bec89e89714b391908fb8ceff
SHA1 hash:
ece05a0ce3cb7b1524e607121525dce53d5ef362
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

GuLoader

Executable exe a18ddbcb974723faec3f0bda9244216649786ca41471cc63049999d0408d7009

(this sample)

  
Delivery method
Distributed via e-mail attachment

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