MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a421b6e4b4fb4ad18f68f956ec8df5e9d861bba52f5e39fe80b81e47ba1293. 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



LummaStealer


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 91a421b6e4b4fb4ad18f68f956ec8df5e9d861bba52f5e39fe80b81e47ba1293
SHA3-384 hash: 2f6737a0b2452bb0145726f2b5e710574a23cd226b4590911247847eda2cdd8b48d8764ed6f8e587c7f76604c24a1079
SHA1 hash: a59a7cddf140e84e09f5dfa52de1f8569b54eb1e
MD5 hash: a4b5ca4b2f084f3243db7aabdc1c233f
humanhash: fifteen-august-apart-one
File name:a4b5ca4b2f084f3243db7aabdc1c233f.exe
Download: download sample
Signature LummaStealer
File size:1'320'448 bytes
First seen:2023-11-21 21:50:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 24576:iyKP1MPKacx1WCKgKST4s2kFKvvmQTFhQ9nqOxBCNnnCQZxK+:JCMSacLxh83kLQvQJPxBCNnnCQZxK
Threatray 196 similar samples on MalwareBazaar
TLSH T1EE55231299D88162DCBA173134F613D71B3ABC668C34973F53A4A81D1D32AE1A4B637F
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe LummaStealer


Avatar
abuse_ch
LummaStealer C2:
http://revivalsecularas.pw/api

Intelligence


File Origin
# of uploads :
1
# of downloads :
361
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Sending a custom TCP request
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
advpack anti-vm CAB control explorer greyware installer installer lolbin lolbin packed risepro rundll32 setupapi sfx 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.
Malware family:
RedLine Stealer
Verdict:
Malicious
Result
Threat name:
PrivateLoader, RedLine, RisePro Stealer,
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected PrivateLoader
Yara detected RedLine Stealer
Yara detected RisePro Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346105 Sample: xDcqucidK1.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 70 ipinfo.io 2->70 76 Snort IDS alert for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 15 other signatures 2->82 11 xDcqucidK1.exe 1 4 2->11         started        14 OfficeTrackerNMP131.exe 2->14         started        17 OfficeTrackerNMP131.exe 2->17         started        19 6 other processes 2->19 signatures3 process4 file5 60 C:\Users\user\AppData\Local\...\fG2KF75.exe, PE32 11->60 dropped 62 C:\Users\user\AppData\Local\...\5JE6Fw2.exe, PE32 11->62 dropped 21 fG2KF75.exe 1 4 11->21         started        100 Multi AV Scanner detection for dropped file 14->100 102 Tries to steal Mail credentials (via file / registry access) 14->102 104 Machine Learning detection for dropped file 14->104 108 3 other signatures 14->108 106 Tries to harvest and steal browser information (history, passwords, etc) 17->106 signatures6 process7 file8 52 C:\Users\user\AppData\Local\...\Rz9dX50.exe, PE32 21->52 dropped 54 C:\Users\user\AppData\Local\...\4VL418Ek.exe, PE32 21->54 dropped 84 Antivirus detection for dropped file 21->84 86 Multi AV Scanner detection for dropped file 21->86 88 Machine Learning detection for dropped file 21->88 25 Rz9dX50.exe 1 4 21->25         started        signatures9 process10 file11 56 C:\Users\user\AppData\Local\...\3Vw55ep.exe, PE32 25->56 dropped 58 C:\Users\user\AppData\Local\...\2yh4247.exe, PE32 25->58 dropped 96 Multi AV Scanner detection for dropped file 25->96 98 Machine Learning detection for dropped file 25->98 29 3Vw55ep.exe 1 503 25->29         started        34 2yh4247.exe 1 25->34         started        signatures12 process13 dnsIp14 74 ipinfo.io 34.117.59.81, 443, 49740, 49741 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 29->74 64 C:\Users\user\AppData\...\FANBooster131.exe, PE32 29->64 dropped 66 C:\Users\user\AppData\...\MaxLoonaFest131.exe, PE32 29->66 dropped 68 C:\ProgramData\...\OfficeTrackerNMP131.exe, PE32 29->68 dropped 110 Multi AV Scanner detection for dropped file 29->110 112 Tries to steal Mail credentials (via file / registry access) 29->112 114 Machine Learning detection for dropped file 29->114 124 4 other signatures 29->124 36 schtasks.exe 29->36         started        38 schtasks.exe 29->38         started        116 Contains functionality to inject code into remote processes 34->116 118 Writes to foreign memory regions 34->118 120 Allocates memory in foreign processes 34->120 122 Injects a PE file into a foreign processes 34->122 40 AppLaunch.exe 8 4 34->40         started        44 WerFault.exe 21 16 34->44         started        46 conhost.exe 34->46         started        file15 signatures16 process17 dnsIp18 48 conhost.exe 36->48         started        50 conhost.exe 38->50         started        72 194.49.94.152, 19053, 49734, 49737 EQUEST-ASNL unknown 40->72 90 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 40->90 92 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 40->92 94 Tries to harvest and steal browser information (history, passwords, etc) 40->94 signatures19 process20
Threat name:
Win32.Spyware.RedLine
Status:
Malicious
First seen:
2023-11-21 21:47:18 UTC
File Type:
PE (Exe)
Extracted files:
113
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Result
Malware family:
risepro
Score:
  10/10
Tags:
family:privateloader family:redline family:risepro botnet:horda infostealer loader persistence stealer
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Executes dropped EXE
PrivateLoader
RedLine
RedLine payload
RisePro
Malware Config
C2 Extraction:
194.49.94.152:19053
194.49.94.152
Unpacked files
SH256 hash:
293b6522948224e5dbb6d3b59cc8eed4cd6ae58e603ecb2d907ffce353f7746c
MD5 hash:
3ad8868e4e02567424ebd74db55cbede
SHA1 hash:
7311b07689b74b0fc5be8acc6cb31de1478598b8
Detections:
redline INDICATOR_EXE_Packed_ConfuserEx
Parent samples :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 hash:
7a510d0e8971d4ac25f2f09be8487280dbd92a27e475d982846521e5adf97e01
MD5 hash:
223764bc8eb64aded70ed73b57e695c1
SHA1 hash:
a35f8ef6f6e9312e0367cce22316841ad48cb669
Detections:
win_smokeloader_a2
SH256 hash:
505c3465bb69355fa4055762fc8cc9d40d9fe1539e0c8aad13bee17385cc97a8
MD5 hash:
f7b93b787dd3bbe6dfb3b7f30e4032ed
SHA1 hash:
b74a6e1142f882db0d3aad1d85f359dcac4a2f2d
Detections:
MALWARE_Win_RedLine MAL_Malware_Imphash_Mar23_1
SH256 hash:
c4d4d573c4090f28b3daccc3e2f742d47a8db02841fc1b734b3ae7011dda16d0
MD5 hash:
517d3b5b6f61c51cb2f1822bec2b3167
SHA1 hash:
51fb93cdc891b145763597b8c0c074f06aafe3c4
Detections:
INDICATOR_EXE_Packed_ConfuserEx
SH256 hash:
91a421b6e4b4fb4ad18f68f956ec8df5e9d861bba52f5e39fe80b81e47ba1293
MD5 hash:
a4b5ca4b2f084f3243db7aabdc1c233f
SHA1 hash:
a59a7cddf140e84e09f5dfa52de1f8569b54eb1e
Detections:
win_redline_wextract_hunting_oct_2023
Please note that we are no longer able to provide a coverage score for Virus Total.

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:detect_Redline_Stealer
Author:Varp0s
Rule name:win_redline_wextract_hunting_oct_2023
Author:Matthew @ Embee_Research
Description:Detects wextract archives related to redline/amadey

File information


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

Web download

LummaStealer

Executable exe 91a421b6e4b4fb4ad18f68f956ec8df5e9d861bba52f5e39fe80b81e47ba1293

(this sample)

  
Delivery method
Distributed via web download

Comments