MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments
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SHA256 hash: 623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
SHA3-384 hash: bc482ff0e596bc457d7e166159589acb72909d9da79132e9968fc632117308deeb57dd479c7dfea1500af94bb0f9e6b0
SHA1 hash: c68400fb4f02c0cd9ee27760931fefe7a1d3764e
MD5 hash: ef949464dd8dc945ca3d997d2a1f5d49
humanhash: early-oscar-magazine-queen
File name:ef949464dd8dc945ca3d997d2a1f5d49.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'974'070 bytes
First seen:2024-12-30 14:53:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b5a014d7eeb4c2042897567e1288a095 (21 x HijackLoader, 14 x ValleyRAT, 12 x LummaStealer)
ssdeep 49152:+pz3IaXn7fXnAXD0TVbTGkJWCI16GwE9NPPV:+pTXn7PAYx7QCwwEHV
Threatray 1 similar samples on MalwareBazaar
TLSH T1C69523427B84A8F5CA75CA358F1ED7A667B2E3AD57820F070A920E053DE31F4431B5E9
TrID 38.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
24.6% (.EXE) Win64 Executable (generic) (10522/11/4)
11.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon c292ecd8f2f6fe1c (15 x HijackLoader, 11 x LummaStealer, 7 x Arechclient2)
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
419
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
AmberGroup2024NDA.pdf.lnk
Verdict:
Malicious activity
Analysis date:
2024-12-26 21:16:42 UTC
Tags:
rat remcos remote lumma stealer
Link:
https://app.any.run/tasks/214907d3-4f33-40cc-8481-ea132dc80473

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PUA.Win32.CandyOpen.23887.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6772b40f1bb06b8884798faf
Tags:
vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint installer microsoft_visual_cc overlay packed packer_detected
Link:
https://www.filescan.io/uploads/6772b40f7f94244df692ef33/reports/4ad8feca-d018-4b41-81e9-b8b03599b3d5/overview
Verdict:
Malicious
Labled as:
UDS_DangerousObject_Multi_Generic
Link:
https://www.hybrid-analysis.com/sample/623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7625950-2794-4423-946c-af15041b7c7a
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1582431
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
LummaC encrypted strings found
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1582431 Sample: e2kvbfngn6.exe Startdate: 30/12/2024 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 6 other signatures 2->60 9 e2kvbfngn6.exe 10 2->9         started        process3 file4 30 C:\Users\user\AppData\Local\...\glib-2.0.dll, PE32 9->30 dropped 32 C:\Users\user\AppData\Local\...\vmtools.dll, PE32 9->32 dropped 34 C:\Users\user\AppData\Local\Temp\vmhost.exe, PE32 9->34 dropped 36 3 other files (none is malicious) 9->36 dropped 12 vmhost.exe 9 9->12         started        process5 file6 38 C:\Users\user\AppData\...\glib-2.0.dll, PE32 12->38 dropped 40 C:\Users\user\AppData\Roaming\...\vmtools.dll, PE32 12->40 dropped 42 C:\Users\user\AppData\Roaming\...\vmhost.exe, PE32 12->42 dropped 44 3 other files (none is malicious) 12->44 dropped 72 Contain functionality to detect virtual machines 12->72 74 Switches to a custom stack to bypass stack traces 12->74 76 Found direct / indirect Syscall (likely to bypass EDR) 12->76 16 vmhost.exe 1 12->16         started        signatures7 process8 signatures9 46 Contain functionality to detect virtual machines 16->46 48 Maps a DLL or memory area into another process 16->48 50 Switches to a custom stack to bypass stack traces 16->50 52 Found direct / indirect Syscall (likely to bypass EDR) 16->52 19 cmd.exe 2 16->19         started        process10 file11 28 C:\Users\user\AppData\Local\Temp\fwm, PE32 19->28 dropped 62 Injects code into the Windows Explorer (explorer.exe) 19->62 64 Writes to foreign memory regions 19->64 66 Found hidden mapped module (file has been removed from disk) 19->66 68 2 other signatures 19->68 23 explorer.exe 19->23         started        26 conhost.exe 19->26         started        signatures12 process13 signatures14 70 Switches to a custom stack to bypass stack traces 23->70
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
Detection:
lumma
Create hunting rule
Link:
https://mwdb.cert.pl/sample/623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2024-12-26 23:48:36 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mi4jpxziymlnsc5qsrqsr3tkjkp6s53da54h6hpbfq5qpcztq54a._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
LummaStealer
error
LummaStealer
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery stealer
Link:
https://tria.ge/reports/241230-r9vtpszqdv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Lumma Stealer, LummaC
Lumma family
Verdict:
Malicious
Tags:
lumma c2 stealer lumma_stealer doh
YARA:
n/a
Link:
https://app.threat.zone/submission/50e1b1cf-f653-47a3-9104-78ae3aab32e6
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
55a5b10da09bc159d5b40b6bc412cb751e3dd571371fa5844b41ca25b8173186
MD5 hash:
e365acf82e0e36205f6b87cd8a8d7cd3
SHA1 hash:
b78832bbd66dc571b564308e0d96a7ae5ca73f1e
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
17b8751f8c0a8dea56c7aadd55e3f51098b9a412d3b785fd3201468acb92f2ef
MD5 hash:
6de8cb41ea232c5e69e2fdb6f9c9bbcc
SHA1 hash:
9cf4139d4bbee040cc987fca1b5c38cec59374e3
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
7c8f5eff552e7f1dad428d6e962eb5f3f46f39f766135bf29ce7142ab54c1344
MD5 hash:
ef9987a078dbdc2b770f67ae94cb7b0d
SHA1 hash:
74d6e56b4e849dd49fc42750421efcf891541b7c
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
97029307a0322d972da84825400e2856eb8ac61f048485855997e94e6c5f897e
MD5 hash:
24d791e4438f4e35bee217903f18766d
SHA1 hash:
48d9588a0cbfb2ae2c60237f41ee7a79368e53f1
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
d299207f78b0789dc6f7f3fd1ac3a4dac645eb5fc6fa845ebede6c129f505868
MD5 hash:
b35415fe281a06aafd1e2b866559302d
SHA1 hash:
2b6f7d0574e18779bf763fda3b72d1b9b8b43932
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
d58ee38f1d3e0c3d52ce1c8e55eccaed62dc655403602f0964539c5d4431544f
MD5 hash:
e5d13728c0f53afe68d2609db3c2571b
SHA1 hash:
21044209011c605e567445e22c7945d10d1152bd
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
SH256 hash:
623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
MD5 hash:
ef949464dd8dc945ca3d997d2a1f5d49
SHA1 hash:
c68400fb4f02c0cd9ee27760931fefe7a1d3764e
Link:
https://www.unpac.me/results/01f9a122-239a-47cd-a5a0-906d1e7dca86/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/623897df28c3/report/overview.html
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/623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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