MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86a343d74d8cb4d16b4d618ca93c598533ddf471346222ec9dfba9d444f857a9. 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: 86a343d74d8cb4d16b4d618ca93c598533ddf471346222ec9dfba9d444f857a9
SHA3-384 hash: 143abeea38976270df3d194e4ab684620d42c8583e6c8fce4c9b848d28b2d435a0aee7b84fadba56d38a0907860de2dd
SHA1 hash: 716d07415d5519d720b27ee6d8926e8589d3ba32
MD5 hash: 28b638ae7524f492b6a603c630e95740
humanhash: beryllium-mango-whiskey-happy
File name:E-dekont.exe
Download: download sample
Signature GuLoader
File size:929'222 bytes
First seen:2023-11-21 12:39:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (536 x GuLoader, 115 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 24576:W2B5aHCeh4np7Tu6fgih3ihW9NVBDxyPvAYZ:hB421u6/3ZOPv9
TLSH T18A1512211F8BC82BE32E8D3967A1F635C99BDC2805E38162D6FF8D53B2307C17966165
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)
Reporter lowmal3
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
328
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Searching for the window
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer 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
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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: 1345778 Sample: E-dekont.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 48 yourfriendlytravelmom.com 2->48 50 www.yunxuntong6852.com 2->50 52 26 other IPs or domains 2->52 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 10 other signatures 2->68 11 E-dekont.exe 3 33 2->11         started        signatures3 process4 file5 46 C:\Users\user\AppData\Local\...\System.dll, PE32 11->46 dropped 14 E-dekont.exe 6 11->14         started        process6 dnsIp7 60 apswhc.com 202.53.77.146, 443, 50122 NETTLINX-IN-APNettlinxLimitedIN India 14->60 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 Queues an APC in another process (thread injection) 14->88 18 explorer.exe 6 2 14->18 injected signatures8 process9 dnsIp10 54 www.bixas.xyz 162.254.32.12, 50133, 80 VIVIDHOSTINGUS United States 18->54 56 monkeesofmurfreesboro.com 15.197.142.173, 50123, 80 TANDEMUS United States 18->56 58 9 other IPs or domains 18->58 70 System process connects to network (likely due to code injection or exploit) 18->70 22 control.exe 1 18 18->22         started        signatures11 process12 file13 38 C:\Users\user\AppData\...\852logrv.ini, data 22->38 dropped 40 C:\Users\user\AppData\...\852logri.ini, data 22->40 dropped 72 Detected FormBook malware 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 78 4 other signatures 22->78 26 cmd.exe 2 22->26         started        30 firefox.exe 1 22->30         started        32 cmd.exe 1 22->32         started        signatures14 process15 file16 42 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->42 dropped 80 Tries to harvest and steal browser information (history, passwords, etc) 26->80 34 conhost.exe 26->34         started        44 C:\Users\user\AppData\...\852logrf.ini, data 30->44 dropped 36 conhost.exe 32->36         started        signatures17 process18
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-11-21 10:57:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ay62 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
SH256 hash:
86a343d74d8cb4d16b4d618ca93c598533ddf471346222ec9dfba9d444f857a9
MD5 hash:
28b638ae7524f492b6a603c630e95740
SHA1 hash:
716d07415d5519d720b27ee6d8926e8589d3ba32
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.

Malspam

GuLoader

Executable exe 86a343d74d8cb4d16b4d618ca93c598533ddf471346222ec9dfba9d444f857a9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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