MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b
SHA3-384 hash: 5f17bed72061904ad5a3429b3ae9317d69db202d3794d1271c267c3904cb866f27d4260eef2a92de6a027cfa9e995243
SHA1 hash: 2c39b524acd0e9ddf187aba1cf9dcd1b05b7597d
MD5 hash: 447fbaed3df9007f358e033e4615f9cf
humanhash: undress-high-uncle-seventeen
File name:SO#8710001.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:357'557 bytes
First seen:2023-01-13 20:53:05 UTC
Last seen:2023-01-13 22:48:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:oIw3Ee6bWfNA3+YjiLC0FGgakIiIMomozcjs6Oooc:Z0S3+YjiL7GgyBFv4vOooc
TLSH T1A674C0817444C2A6E11ACF3028759BFD12356FAA58A8324D5D05FF7738B3EC2762663E
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 945c060e1e1eb49a (12 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SO#8710001.exe
Verdict:
Malicious activity
Analysis date:
2023-01-13 20:54:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0239ee6f-b4e9-48ac-a8f5-e2779393545d

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/352753/
Detection(s):
SecuriteInfo.com.Trojan.Generic.32968032.9309.1695.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Delayed reading of the file
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60143/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c1c4ecde614a115a1610ff/reports/4e20758f-56a8-42db-a2d1-38ac7098189e/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/9efca972-674c-484e-a2d8-815ef543ee53
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1150676
Signature
C2 URLs / IPs found in malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Mass process execution to delay analysis
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Obfuscated command line found
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
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 783407 Sample: SO#8710001.exe Startdate: 12/01/2023 Architecture: WINDOWS Score: 100 52 www.mamachufang.net 2->52 54 www.luluslondon.co.uk 2->54 56 20 other IPs or domains 2->56 74 Snort IDS alert for network traffic 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 4 other signatures 2->80 11 SO#8710001.exe 2 29 2->11         started        signatures3 process4 file5 48 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 11->48 dropped 50 C:\Users\user\AppData\Local\...\System.dll, PE32 11->50 dropped 88 Obfuscated command line found 11->88 90 Mass process execution to delay analysis 11->90 92 Tries to detect Any.run 11->92 15 SO#8710001.exe 6 11->15         started        19 cmd.exe 11->19         started        21 cmd.exe 11->21         started        23 62 other processes 11->23 signatures6 process7 dnsIp8 64 staging.nasfia.com.pk 52.187.131.81, 49845, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 15->64 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Tries to detect Any.run 15->68 70 Maps a DLL or memory area into another process 15->70 72 2 other signatures 15->72 25 explorer.exe 4 1 15->25 injected 29 Conhost.exe 19->29         started        31 Conhost.exe 21->31         started        33 Conhost.exe 23->33         started        35 Conhost.exe 23->35         started        37 Conhost.exe 23->37         started        39 59 other processes 23->39 signatures9 process10 dnsIp11 58 www.limyoona90.com 156.242.168.55, 49851, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 25->58 60 www.imobjoy.com 107.149.255.14, 49849, 80 PEGTECHINCUS United States 25->60 62 8 other IPs or domains 25->62 86 System process connects to network (likely due to code injection or exploit) 25->86 41 msdt.exe 25->41         started        signatures12 process13 signatures14 82 Modifies the context of a thread in another process (thread injection) 41->82 84 Maps a DLL or memory area into another process 41->84 44 cmd.exe 1 41->44         started        process15 process16 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-10 10:01:32 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=arepj52x4alqtv2ciuaqv7h6qsje4t6sjsza4vh7uhv67driwsfq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230113-zpvxzaha4z/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Loads dropped DLL
Unpacked files
SH256 hash:
938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
MD5 hash:
98bdb37511634dad8d1236d91d373b26
SHA1 hash:
778cf74b4f8860cc378fa4e61aeba318197783ce
Link:
https://www.unpac.me/results/6eef807c-6d20-4cf7-9aaf-7037e290c4e9/
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/6eef807c-6d20-4cf7-9aaf-7037e290c4e9/
SH256 hash:
f7d98be26c813724c7cb673b53475fe660d3ef4f9930d57a550c91578c660e91
MD5 hash:
723646252e79cbb15c7817360f93a6d2
SHA1 hash:
c9ce61d71b7377456ab49c823fc756336b01f7b5
Link:
https://www.unpac.me/results/6eef807c-6d20-4cf7-9aaf-7037e290c4e9/
SH256 hash:
0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b
MD5 hash:
447fbaed3df9007f358e033e4615f9cf
SHA1 hash:
2c39b524acd0e9ddf187aba1cf9dcd1b05b7597d
Link:
https://www.unpac.me/results/6eef807c-6d20-4cf7-9aaf-7037e290c4e9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.28
Link:
https://yomi.yoroi.company/submissions/0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b

File information

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

Malspam

GuLoader

Executable exe 0448f4f757e01709d74245010afcfe84924e4fd24cb20e54ffa1ebef8e28b48b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/352753/

Comments