MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85031fa95e6d833a180b3e2f2e3c265c2c15152f6ce7d686fe3eeccc028db9d8. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85031fa95e6d833a180b3e2f2e3c265c2c15152f6ce7d686fe3eeccc028db9d8
SHA3-384 hash: bd82fd123c214afd5270f51acd14a809f00e1d7ec2e9453122642c0162ce8fa468281507fddaadd5760fc9cb5c5f2bbd
SHA1 hash: 9c92db982704ee4b4c5fe72de3fc372a6fb8fbf6
MD5 hash: e2b9f066c387086a4ee0707ad1a9a2ea
humanhash: robert-jig-table-autumn
File name:SecuriteInfo.com.Gen.Variant.Nemesis.9235.17241.16859
Download: download sample
Signature GuLoader
Create hunting rule
File size:420'784 bytes
First seen:2022-07-25 22:32:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT)
ssdeep 6144:nxFSjc15xc2ocCowTvvQEnzov4xdAQP9ex3oND/whJfRiJqF0sZzTlW1J52:LH5z9wTv4EzoWAbop/whpRiJtsZvl3
Threatray 3'546 similar samples on MalwareBazaar
TLSH T1909423213720E8A2D7E14970DA3E9DF5FAB1AD24D460064B27E1BD9F7CB93D36A09107
TrID 40.2% (.EXE) InstallShield setup (43053/19/16)
29.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.8% (.EXE) Win64 Executable (generic) (10523/12/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Bankbetjente Hypoalbuminemia
Issuer:Bankbetjente Hypoalbuminemia
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-16T04:56:01Z
Valid to:2025-05-15T04:56:01Z
Serial number: -7362cebe2d1608b7
Thumbprint Algorithm:SHA256
Thumbprint: 03aa38e7714a2b041af60c402f9dd02e98a71863a69680d7fb50069d24ef66da
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294143/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.9235.17241.16859.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/27434/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62df1a5de18d450dc6892eeb/reports/0cceba8e-0429-487b-b008-b1aea1487c03/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/58b989c1-d8da-4cbe-a441-223acd6c92b9
Result
Threat name:
AveMaria, GuLoader, UACMe
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040724
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected GuLoader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 673220 Sample: SecuriteInfo.com.Gen.Varian... Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 30 warratt.gleeze.com 2->30 32 cdn.discordapp.com 2->32 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 6 other signatures 2->44 7 SecuriteInfo.com.Gen.Variant.Nemesis.9235.17241.exe 1 55 2->7         started        signatures3 process4 file5 16 C:\Users\user\AppData\Local\...\System.dll, PE32 7->16 dropped 18 C:\Users\user\AppData\Local\...\SharpDX.dll, PE32 7->18 dropped 20 C:\Users\user\AppData\...\vccorlib140.dll, PE32 7->20 dropped 46 Writes to foreign memory regions 7->46 48 Tries to detect Any.run 7->48 11 ieinstal.exe 4 28 7->11         started        signatures6 process7 dnsIp8 34 warratt.gleeze.com 23.105.131.244, 49789, 8754 LEASEWEB-USA-NYC-11US United States 11->34 36 cdn.discordapp.com 162.159.135.233, 443, 49788 CLOUDFLARENETUS United States 11->36 22 C:\Users\user\AppData\...\vcruntime140.dll, PE32 11->22 dropped 24 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 11->24 dropped 26 C:\Users\user\AppData\Local\Temp\nss3.dll, PE32 11->26 dropped 28 3 other files (none is malicious) 11->28 dropped 50 Tries to harvest and steal browser information (history, passwords, etc) 11->50 52 Tries to detect Any.run 11->52 54 Increases the number of concurrent connection per server for Internet Explorer 11->54 56 2 other signatures 11->56 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/85031fa95e6d833a180b3e2f2e3c265c2c15152f6ce7d686fe3eeccc028db9d8/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2022-07-25 20:06:07 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qubr7kk6nwbtugalhyxs4pbglqwbkfjpntt5nbx6h3wmyaunxhma._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862
GuLoader
2c213f07c4fd57a1d8cebd5cc96e1756979c94c639012657f13e7e8e7c9bb55c
GuLoader
46328084c6b1d250b46ce080d6426e86753df25bcbd6332b253eb578fa789a5e
GuLoader
615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046
GuLoader
61becb2257f95087577ede433ea399f8dceb89ee6733e90c9919523befe3376e
GuLoader
7500744cb96ef00da3854791e50622a7c5c0e1cdcf0708c7a7755070509d90b5
GuLoader
98f3769bc2318575d1a8d3964c11a6d14b4be9aa380395f9dc3e368cbb465056
GuLoader
9eb7c4ee977f3961ee314e89468f793611fa8c5c95c1f73fdff318b674d6919f
GuLoader
c3a1e3e128a54d44e9cc9d1e5d1e1628b7c20200aec86d0c06cb3fd719ec34f8
GuLoader
d6d829102bf6a3de1318d233cb20baad5c2e6608482923ff687a3be26d122b47
GuLoader
+ 3'536 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220725-2gg29abdel/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
6d043607ac59a6c1b5b975a9d8ac534d67607a2638252440ede7d34a3b342267
MD5 hash:
5564abe39a4123c3cf6b45544f359d37
SHA1 hash:
af8ea1d80d661976f53c6dea6b127db41e9fdb6c
Link:
https://www.unpac.me/results/0e76e4eb-0e79-4724-a87c-bc062550376b/
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
Link:
https://www.unpac.me/results/0e76e4eb-0e79-4724-a87c-bc062550376b/
SH256 hash:
850f7e8202de8085298a857a81ec90aeb902488ddce5dc43b34d549491a166fb
MD5 hash:
e1db8c04daacaafd839227dbcc339df5
SHA1 hash:
5df2160f7860b4a1067333b36109bea32cef2603
Link:
https://www.unpac.me/results/0e76e4eb-0e79-4724-a87c-bc062550376b/
SH256 hash:
85031fa95e6d833a180b3e2f2e3c265c2c15152f6ce7d686fe3eeccc028db9d8
MD5 hash:
e2b9f066c387086a4ee0707ad1a9a2ea
SHA1 hash:
9c92db982704ee4b4c5fe72de3fc372a6fb8fbf6
Link:
https://www.unpac.me/results/0e76e4eb-0e79-4724-a87c-bc062550376b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/85031fa95e6d/report/overview.html
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/85031fa95e6d833a180b3e2f2e3c265c2c15152f6ce7d686fe3eeccc028db9d8

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

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/294143/

Comments