MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b48aa9e3805fe0bacfa777df49455687a7b9a138c23cca9784f26a1f29be9edc. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: b48aa9e3805fe0bacfa777df49455687a7b9a138c23cca9784f26a1f29be9edc
SHA3-384 hash: 9500a5a4fc8a5d0cf766a22fe8e05ac7cba622273b268555156b4e085677a1201a9f29bbcf99c25833c13d9092cb8b4a
SHA1 hash: e2fd75d738cb8da5baf9db7925e86284ea56d547
MD5 hash: 4c8265731cc1095cdd7772f986f58192
humanhash: washington-butter-ceiling-summer
File name:PO 4507596885 CC 4410 LLC GcC67- Auris-Dated-6-21-2022.001.exe
Download: download sample
Signature GuLoader
File size:215'414 bytes
First seen:2022-06-21 17:02:01 UTC
Last seen:2022-06-21 17:48:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 3072:AfY/TU9fE9PEtux5b3CXU+yevWRv2/2vLEZUNPPk2Avqcv7xIXOh0VxkikACiPTF:WYa61SXvykX2vhk2+7iWokikACzw7
Threatray 3'284 similar samples on MalwareBazaar
TLSH T153241268B7F0D527E8A54AB10D7282353FFEE4221891274F17706F643C2A391E9097AB
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)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 4507596885 CC 4410 LLC GcC67- Auris-Dated-6-21-2022.001.001
Verdict:
Malicious activity
Analysis date:
2022-06-21 15:19:34 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
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader nemesis overlay packed shell32.dll wacatac
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
C2 URLs / IPs found in malware configuration
Malicious sample detected (through community Yara rule)
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:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-06-21 15:24:45 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
288b82ec2efaaf070811b9c278f1713157d0027b26a845fb2dc0fb57947fcea3
MD5 hash:
c0956fa3e07b7a7f2642fdf720e73012
SHA1 hash:
a19ab69aeb90b8eaca8f83f5e8ce7cfdbfc835e8
SH256 hash:
b48aa9e3805fe0bacfa777df49455687a7b9a138c23cca9784f26a1f29be9edc
MD5 hash:
4c8265731cc1095cdd7772f986f58192
SHA1 hash:
e2fd75d738cb8da5baf9db7925e86284ea56d547
Please note that we are no longer able to provide a coverage score for Virus Total.

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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information


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

  
Delivery method
Other

Comments