MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b
SHA3-384 hash: 4d34f99ad92b1012ec5f1ae8725c1af1809bed6552e22a9d8f38ca2d10a8273eae5224aeeeaf14f5d12679fe9485488c
SHA1 hash: 0dd758d62e84d1c90a6af750419c02dfd31c3efc
MD5 hash: b1fdd3b73cbd2d1e825cebd162e22900
humanhash: echo-hamper-emma-mars
File name:ungziped_file
Download: download sample
Signature GuLoader
Create hunting rule
File size:461'072 bytes
First seen:2022-09-05 11:42:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:hC2Sc2VcCGjLvqd76mUPRZEJaQasDSPcZBSS4Rxio/ZH+R2Hc:GivqZ6m6xQasSO6RxzZHut
Threatray 4'924 similar samples on MalwareBazaar
TLSH T1E7A4BFAA3B54D923C7C016F48891F7BCD7706E446A998703B6F27EEF7A78B419D04224
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)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Jowpy Boucletppets
Issuer:Jowpy Boucletppets
Algorithm:sha256WithRSAEncryption
Valid from:2021-12-06T15:40:27Z
Valid to:2024-12-05T15:40:27Z
Serial number: 38e280719d6e8e0a
Thumbprint Algorithm:SHA256
Thumbprint: 8aa67998d4fe687fdf5d3d7c0badc8d63a5ffbb2239e9abbbbdaf677ac60f728
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ungziped_file
Verdict:
Malicious activity
Analysis date:
2022-09-05 11:45:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6a03cb15-51c3-4b5c-aa77-e8fa02704e41

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/307847/
Detection(s):
SecuriteInfo.com.Win32.SuspectCrc.21843.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file
Searching for the window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/36670/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/6315e12231a6d28c0ce25768/reports/ba2fc381-3416-4fb3-936e-5b6f39951584/overview
Result
Verdict:
UNKNOWN
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/7c237cc1-986a-4d79-91f6-63cffc2a922d
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065077
Signature
Connects to many ports of the same IP (likely port scanning)
Creates files with lurking names (e.g. Crack.exe)
Installs a global keyboard hook
Mass process execution to delay analysis
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697604 Sample: ungziped_file.exe Startdate: 05/09/2022 Architecture: WINDOWS Score: 100 44 ftp.jashinternational.com 2->44 46 dimensio.pro 2->46 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected GuLoader 2->56 58 3 other signatures 2->58 8 ungziped_file.exe 4 37 2->8         started        signatures3 process4 file5 36 C:\Users\user\...\Fillipeen.ure, data 8->36 dropped 38 C:\Users\user\Stjernetyderen\...\WPWIZ.EXE, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\System.dll, PE32 8->42 dropped 60 Creates files with lurking names (e.g. Crack.exe) 8->60 62 Writes to foreign memory regions 8->62 64 Mass process execution to delay analysis 8->64 66 Tries to detect Any.run 8->66 12 CasPol.exe 8->12         started        16 powershell.exe 8->16         started        18 powershell.exe 8->18         started        20 71 other processes 8->20 signatures6 process7 dnsIp8 48 ftp.jashinternational.com 51.195.62.12, 21, 49493, 49771 OVHFR France 12->48 50 dimensio.pro 192.169.82.226, 443, 49770 LIMESTONENETWORKSUS United States 12->50 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->70 72 Tries to steal Mail credentials (via file / registry access) 12->72 74 5 other signatures 12->74 22 conhost.exe 12->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 68 other processes 20->34 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 11:43:16 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
7 of 26 (26.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ab7ui4hc7655jeqqcgqe7p7cpeham72ddshg35illw3wlcru4vnq._file
Verdict:
unknown
Similar samples:
2f5639932c7a25cf51737748cdc495367a9203e0a963f930f0009935109da190
GuLoader
867728410f8a0158bf19ee07f1001905aa803295cb9995a3a813fba7ef46770c
GuLoader
8db79a723be588747af0a68c7e6ec677f0d27a476f0795a06da5a2595ea8799b
GuLoader
a0bc81d4c214ed3eb779f8d0549362dae2114298eb96ad70af17da0fac80c4b9
GuLoader
aba19cc38e4985676b27e5a87d4e11c8bdbb8ee25f27b0482512153bb8483f0c
GuLoader
c2c6dbfb6b0c03a22473c7f2f6cbfe0bbf500c795b920ddeb37c27af7de76d93
GuLoader
ca85d198d36158a0a552a07369952e1229cfc4e541e3392116768da673f46d66
GuLoader
d28cdd34432fb25eb479fc1faa90d0f1fa37bd4b9edb9e1febaa512f8e1ea79e
GuLoader
d5a8b6cb7b39d6f71ce67c6c8e17030079f2778087ee12c0ad45bd823f7bd53c
GuLoader
f9d6e83fd46ddb038a662fdd021694e743453002b367287f78da942259033fdf
GuLoader
+ 4'914 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220905-nvkteagcdp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9
MD5 hash:
b648c78981c02c434d6a04d4422a6198
SHA1 hash:
74d99eed1eae76c7f43454c01cdb7030e5772fc2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/477ea381-4e7f-47c7-96e6-6aaeb38f7b1f/
Parent samples :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 hash:
cd90153237ebdc98e8f3388a82c9ff150611b8767d44f23ac1685ac467b4bfb4
MD5 hash:
663e7f40a725f7c66d7603943c40b7b3
SHA1 hash:
cd3a8fe6516ad2f4ccf0b60c324a41af5bd73481
Link:
https://www.unpac.me/results/477ea381-4e7f-47c7-96e6-6aaeb38f7b1f/
SH256 hash:
88c0cb3f0b0633bb21184e1b6a9c48ca45e544922de2f73e3089538ca1180b79
MD5 hash:
da9405294ee33017a48eb728347dd68d
SHA1 hash:
639a44069006281abe7a5c9ede2a96d9abc0b18b
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/477ea381-4e7f-47c7-96e6-6aaeb38f7b1f/
Parent samples :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 hash:
983f2d1e430a5b7ac7b983e3d8052d212122b38ea77fb2e2cbb2e25bb7359f3e
MD5 hash:
b5278854934699a35f6721519d07133e
SHA1 hash:
901d5e16fba428085c10418a2e6b08be77697b3f
Link:
https://www.unpac.me/results/477ea381-4e7f-47c7-96e6-6aaeb38f7b1f/
SH256 hash:
007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b
MD5 hash:
b1fdd3b73cbd2d1e825cebd162e22900
SHA1 hash:
0dd758d62e84d1c90a6af750419c02dfd31c3efc
Link:
https://www.unpac.me/results/477ea381-4e7f-47c7-96e6-6aaeb38f7b1f/
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/007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b

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.

Malspam

GuLoader

Executable exe 007f4470e2ffbbd4921011a04fbfe2790e067f431c8e6df50b5db7658a34e55b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/307847/

Comments