MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c36591c7c0ef136b66dcf2955035ffc43ccd7fa6d6ce8c65f747dbe0aff7814e. 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 File information Comments

SHA256 hash: c36591c7c0ef136b66dcf2955035ffc43ccd7fa6d6ce8c65f747dbe0aff7814e
SHA3-384 hash: 5499e646993821cd0561f089a8bb7f9913e4697c17f795a069a479f8dac8a85ec37040d6e538b31a7267ac8adf267ee2
SHA1 hash: fb34a732ecaea61afce62d9b6e8be4b3021d0fb9
MD5 hash: 7deef9c22e5a7e9fea1c71f7b508d1af
humanhash: oregon-march-tango-burger
File name:Transferencia.exe
Download: download sample
Signature GuLoader
File size:377'601 bytes
First seen:2023-07-10 12:22:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b40f29cd171eb54c01b1dd2683c9c26b (45 x GuLoader, 16 x RemcosRAT, 15 x VIPKeylogger)
ssdeep 6144:/oShfEPZVheNA+ff03xSVng/nd1Gras34M0bcMf6rb16:QqCnhe2e4xS4jSF0tfF
Threatray 671 similar samples on MalwareBazaar
TLSH T153845B9239D975AFDC2F4674035FEAB22A795CE07382086E4F80761E4C3654A80EDDDB
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c88604b919c6c6c0 (77 x GuLoader, 10 x Formbook, 8 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Transferencia.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-10 12:29:36 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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.
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
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 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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1269727 Sample: Transferencia.exe Startdate: 10/07/2023 Architecture: WINDOWS Score: 100 36 www.yumshop.info 2->36 38 www.tinyhouseczech.com 2->38 40 29 other IPs or domains 2->40 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 4 other signatures 2->66 11 Transferencia.exe 4 24 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\System.dll, PE32 11->32 dropped 34 C:\Users\...\System.IO.Compression.Brotli.dll, PE32+ 11->34 dropped 78 Tries to detect Any.run 11->78 15 Transferencia.exe 6 11->15         started        signatures6 process7 dnsIp8 48 googlehosted.l.googleusercontent.com 172.217.168.1, 443, 49918 GOOGLEUS United States 15->48 50 drive.google.com 216.58.215.238, 443, 49917 GOOGLEUS United States 15->50 52 Modifies the context of a thread in another process (thread injection) 15->52 54 Tries to detect Any.run 15->54 56 Maps a DLL or memory area into another process 15->56 58 2 other signatures 15->58 19 RAVCpl64.exe 15->19 injected signatures9 process10 process11 21 msiexec.exe 13 19->21         started        signatures12 68 Tries to steal Mail credentials (via file / registry access) 21->68 70 Tries to harvest and steal browser information (history, passwords, etc) 21->70 72 Writes to foreign memory regions 21->72 74 3 other signatures 21->74 24 explorer.exe 3 1 21->24 injected 28 firefox.exe 21->28         started        process13 dnsIp14 42 www.tinyhouseczech.com 81.91.86.14, 49987, 49988, 49989 WEB4UCZ Czech Republic 24->42 44 www.yumshop.info 203.161.55.144, 49966, 49967, 49968 VNPT-AS-VNVNPTCorpVN Malaysia 24->44 46 15 other IPs or domains 24->46 76 System process connects to network (likely due to code injection or exploit) 24->76 30 WerFault.exe 4 28->30         started        signatures15 process16
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2023-07-10 08:29:37 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2
MD5 hash:
6ad39193ed20078aa1b23c33a1e48859
SHA1 hash:
95e70e4f47aa1689cc08afbdaef3ec323b5342fa
SH256 hash:
c36591c7c0ef136b66dcf2955035ffc43ccd7fa6d6ce8c65f747dbe0aff7814e
MD5 hash:
7deef9c22e5a7e9fea1c71f7b508d1af
SHA1 hash:
fb34a732ecaea61afce62d9b6e8be4b3021d0fb9
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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