MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa
SHA3-384 hash: c2c3478ae80c9ea8ce117bd5e281a4e80b14e0803baa5524cf17bff543c379c5cdaff322900fc2afbf6b78c958386b95
SHA1 hash: 1049ad543006f9de4f7dbc2ce5b0614e0a24127d
MD5 hash: bca1e08f05c443fb1a4bf46abf172f9b
humanhash: double-king-indigo-carolina
File name:e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa
Download: download sample
Signature GuLoader
Create hunting rule
File size:634'400 bytes
First seen:2023-04-04 13:26:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (282 x GuLoader, 37 x RemcosRAT, 27 x VIPKeylogger)
ssdeep 12288:brAEgJnhLU4YpA9o+gJpp+reFXapcSazPtb8xNkgCZ:brAEEhLU4YpA9oXR+SFXa90PBSPy
Threatray 617 similar samples on MalwareBazaar
TLSH T12DD4CF81D299BCE6D40B3076BC3DE522254BAF1F9B38481A336A7D257573383256AD0F
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 f6c6c6ccd8e298e8 (7 x GuLoader, 1 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-11T08:12:39Z
Valid to:2025-12-10T08:12:39Z
Serial number: 644300779e06ac278cb7ee63fb6545ce4c242b20
Thumbprint Algorithm:SHA256
Thumbprint: c4eb040cc228be4a39ad4f4bea93afd989c6bd9f5d35b017762bd01c682dac36
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
alert.email(3).txt
Verdict:
Malicious activity
Analysis date:
2023-04-03 07:54:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eb9c5f1f-30fb-4fc4-921c-7a333774542d

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/380037/
Detection(s):
SecuriteInfo.com.FileRepMalwareMisc.20789.18575.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
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/76513/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642c25a69c8d0c3b7bcaca0a/reports/2434872d-d97e-4068-886f-056c3991c9e9/overview
Verdict:
Malicious
Labled as:
Troj/Inject
Link:
https://www.hybrid-analysis.com/sample/e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa
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/07ae9c73-4b26-40cf-bd7a-684b32f8d9e9
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1203226
Signature
Found potential ransomware demand text
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 836133 Sample: Dissensers.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 37 yourbestversioneua.com 2->37 39 yazilimyolcusu0.com 2->39 41 28 other IPs or domains 2->41 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Yara detected FormBook 2->57 59 2 other signatures 2->59 11 Dissensers.exe 2 35 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 31 C:\Users\user\AppData\Local\...\dwdcw20.dll, PE32 11->31 dropped 33 C:\Users\user\AppData\...\VMwareHostOpen.exe, PE32+ 11->33 dropped 35 2 other files (none is malicious) 11->35 dropped 14 Dissensers.exe 6 11->14         started        process6 dnsIp7 49 drive.google.com 142.250.184.238, 443, 49832 GOOGLEUS United States 14->49 51 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49833 GOOGLEUS United States 14->51 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Tries to detect Any.run 14->73 75 Maps a DLL or memory area into another process 14->75 77 3 other signatures 14->77 18 explorer.exe 2 1 14->18 injected signatures8 process9 dnsIp10 43 www.jonnex.info 184.94.212.62, 49857, 49858, 49859 VXCHNGE-NC01US United States 18->43 45 yourbestversioneua.com 108.179.252.69, 49897, 49898, 49899 UNIFIEDLAYER-AS-1US United States 18->45 47 15 other IPs or domains 18->47 61 System process connects to network (likely due to code injection or exploit) 18->61 22 colorcpl.exe 13 18->22         started        signatures11 process12 signatures13 63 Tries to steal Mail credentials (via file / registry access) 22->63 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 67 Writes to foreign memory regions 22->67 69 3 other signatures 22->69 25 firefox.exe 22->25         started        process14 process15 27 WerFault.exe 4 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-27 12:13:10 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4glm4rfwcpj35omibwsb43bmwraryxsjwvgh7kh7256tmoqprx5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
094dc63a99e7f4978723577fdbbbadc74ffa4b907368c0cd48b3d0b5f14e3fbc
GuLoader
0ad287dbe151a940761d048d0a6214c15970455280ef7c98c240c223bf0a7a73
GuLoader
11ea8640caec973b1823c96000bd50a2c604317888111273f7e93a37412fa2a9
GuLoader
11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b
GuLoader
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83
GuLoader
731c7f66a98fa2a285956520e557a629b2e7e74e46c27e21158147dd29157cfd
GuLoader
8de51f065764c5adb842556ae9950789ccf9c12b0c7f573d74316a9af856f284
GuLoader
b1ce73dac896a841321b1f502bcc32313de930cd0e5561874e51e80dc7cb06cc
GuLoader
+ 607 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230404-qp3s5sfc23/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/28078179-5c23-4ee2-8225-f16fcd485b2f/
SH256 hash:
13674c90d4c98376d509beb8e81e61daba16d6c66492238746777ff88cd1d6a5
MD5 hash:
6e6d146807eeb6c2b0d0349a3b6157ad
SHA1 hash:
5eeff5fc7e5a269a33f5f110e766af66230c4bbe
Link:
https://www.unpac.me/results/28078179-5c23-4ee2-8225-f16fcd485b2f/
SH256 hash:
a96653721cca1c813b7ce313ff50015b06e6ac95cca14f0e83c7b72bfc35959b
MD5 hash:
553078c22fab4d8643fb877a4846553b
SHA1 hash:
269b14ff3c7c89f348a6d64d3c39899dfb2a8e2a
Link:
https://www.unpac.me/results/28078179-5c23-4ee2-8225-f16fcd485b2f/
SH256 hash:
e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa
MD5 hash:
bca1e08f05c443fb1a4bf46abf172f9b
SHA1 hash:
1049ad543006f9de4f7dbc2ce5b0614e0a24127d
Link:
https://www.unpac.me/results/28078179-5c23-4ee2-8225-f16fcd485b2f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

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/380037/

Comments