MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076
SHA3-384 hash: 3625c9a232b2483a53898e3aad1be88f5fc83f4ae8c9c6d7736bf1e807e2c4dfbf38aa9933d6ca2f6e95073fc129d8f6
SHA1 hash: a514f2fcc25f17f88f2300ce95d360e25a125292
MD5 hash: 16fe373372b905778e17aa023c618ad4
humanhash: kansas-oranges-table-stream
File name:SecuriteInfo.com.Win32.Evo-gen.3458
Download: download sample
Signature GuLoader
Create hunting rule
File size:272'952 bytes
First seen:2022-09-21 07:42:50 UTC
Last seen:2022-10-07 12:56:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (525 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:6RlWoFJYzFSo82Z4S+5vt5atMvl4RMGLBEciYY8FqI4e:SkzvpZn+Vvat6wMGVt3B
Threatray 2'961 similar samples on MalwareBazaar
TLSH T10C44F125367CC4D2C79A0B798C3689B4D56BBE176EA0070B1B10BB7E39726B38519F44
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 8c03f09cec7082d4 (8 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-03T14:01:15Z
Valid to:2025-08-02T14:01:15Z
Serial number: 77fbec5318cbb295
Thumbprint Algorithm:SHA256
Thumbprint: 40f4182ca41bf63f97fa66e871bc91590bc6bc7a28d3b9232d092d3fc3c7c201
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
531
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://192.3.173.102/KDD.exe
Verdict:
Malicious activity
Analysis date:
2022-09-19 10:46:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/96cdd78c-233c-4915-b88c-131ae2e5f36d

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/312006/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.3458.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/38380/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/632ac0cae64c53f047fa3665/reports/ba53c32f-b4c8-48bf-a639-01189ca05c53/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:
Malicious
Link:
https://analyze.intezer.com/analyses/42534547-493e-441c-b0fe-7915ad952180
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074394
Signature
Antivirus detection for dropped file
Installs a global keyboard hook
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 706937 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 134 mekremcos23.freedynamicdns.net 2->134 136 geoplugin.net 2->136 142 Multi AV Scanner detection for domain / URL 2->142 144 Antivirus detection for dropped file 2->144 146 Multi AV Scanner detection for submitted file 2->146 148 3 other signatures 2->148 11 SecuriteInfo.com.Win32.Evo-gen.3458.exe 1 37 2->11         started        15 dos.exe 2->15         started        signatures3 process4 file5 120 C:\Users\user\AppData\...\BtTray.Toolkit.dll, PE32+ 11->120 dropped 122 C:\Users\user\AppData\Roaming\...\Office.dll, PE32 11->122 dropped 124 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 11->124 dropped 126 C:\Users\user\AppData\Local\...\System.dll, PE32 11->126 dropped 158 Mass process execution to delay analysis 11->158 160 Tries to detect Any.run 11->160 17 SecuriteInfo.com.Win32.Evo-gen.3458.exe 11->17         started        22 powershell.exe 11->22         started        24 powershell.exe 11->24         started        28 127 other processes 11->28 128 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 15->128 dropped 130 C:\Users\user\AppData\Local\...\System.dll, PE32 15->130 dropped 26 WerFault.exe 15->26         started        signatures6 process7 dnsIp8 132 85.31.46.80, 49761, 49772, 80 CLOUDCOMPUTINGDE Germany 17->132 106 C:\Users\user\AppData\Roaming\dos.exe, PE32 17->106 dropped 108 C:\Users\user\...\dos.exe:Zone.Identifier, ASCII 17->108 dropped 110 C:\Users\user\AppData\Local\...\install.vbs, data 17->110 dropped 150 Tries to detect Any.run 17->150 30 wscript.exe 17->30         started        32 conhost.exe 22->32         started        44 4 other processes 22->44 34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        40 conhost.exe 28->40         started        42 conhost.exe 28->42         started        46 195 other processes 28->46 file9 signatures10 process11 process12 48 cmd.exe 30->48         started        52 2 other processes 32->52 54 4 other processes 34->54 56 4 other processes 38->56 58 5 other processes 40->58 60 5 other processes 42->60 62 3 other processes 44->62 50 conhost.exe 46->50         started        64 123 other processes 46->64 process13 73 2 other processes 48->73 66 dos.exe 50->66         started        69 conhost.exe 52->69         started        76 4 other processes 54->76 78 3 other processes 56->78 80 2 other processes 58->80 82 2 other processes 60->82 71 conhost.exe 62->71         started        84 47 other processes 64->84 file14 112 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 66->112 dropped 114 C:\Users\user\AppData\Local\...\System.dll, PE32 66->114 dropped 86 WerFault.exe 66->86         started        88 conhost.exe 69->88         started        90 conhost.exe 71->90         started        116 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 73->116 dropped 118 C:\Users\user\AppData\Local\...\System.dll, PE32 73->118 dropped 152 Multi AV Scanner detection for dropped file 73->152 154 Tries to detect Any.run 73->154 156 Sample uses process hollowing technique 73->156 92 dos.exe 73->92         started        96 conhost.exe 73->96         started        98 conhost.exe 76->98         started        100 conhost.exe 78->100         started        102 conhost.exe 84->102         started        104 8 other processes 84->104 signatures15 process16 dnsIp17 138 mekremcos23.freedynamicdns.net 81.161.229.187, 2397, 49773 CMCSUS Germany 92->138 140 geoplugin.net 178.237.33.50, 49774, 80 ATOM86-ASATOM86NL Netherlands 92->140 162 Tries to detect Any.run 92->162 164 Installs a global keyboard hook 92->164 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-19 05:28:12 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aozamhejv4m7x4lihzgmfd2qkbnknodcbcvv2agylknssstjwb3a._file
Verdict:
malicious
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+ 2'951 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220921-jktw4sfgb3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4c17d2a1-12d4-40bd-8d84-7f0cff79fca2
Unpacked files
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/3b36d5de-3a02-49c7-b65c-7fb96d7de674/
SH256 hash:
9fae3524cf580259336f307bc46247580917ba44883ff33b0411638b175d4ca3
MD5 hash:
b8f12651b202ba487210d3c244550044
SHA1 hash:
ede544c504f8049bd106e48a9a5472257f0b6704
Link:
https://www.unpac.me/results/3b36d5de-3a02-49c7-b65c-7fb96d7de674/
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
Link:
https://www.unpac.me/results/3b36d5de-3a02-49c7-b65c-7fb96d7de674/
SH256 hash:
65dafcd834b02f68a1fa3ae3f8a80c42899466e54d0530492918c6c45a5c7f6f
MD5 hash:
08136819c94d6859a0712afa022761c3
SHA1 hash:
97c80b087bf6da0bc0ce1ada96d3d5285a335703
Link:
https://www.unpac.me/results/3b36d5de-3a02-49c7-b65c-7fb96d7de674/
SH256 hash:
03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076
MD5 hash:
16fe373372b905778e17aa023c618ad4
SHA1 hash:
a514f2fcc25f17f88f2300ce95d360e25a125292
Link:
https://www.unpac.me/results/3b36d5de-3a02-49c7-b65c-7fb96d7de674/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076

File information

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

Web download

GuLoader

Executable exe 03b2061c89af19fbf1683e4cc28f50505aa6b86208ab5d00d85a9b294a69b076

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2308752/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/312006/

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