MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4. 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


BluStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4
SHA3-384 hash: 9f8d083524fa75a48f10a0fc9d2ba64677aef7604cc857f713fd32d9f26441af3e1ca633db71f22c31a8b0aa8d04d168
SHA1 hash: aae4d7117ce9f6c493ed6f7c4d41cbc7c4f805f6
MD5 hash: 962b447996d774bd6b11a221ab39bd8f
humanhash: neptune-princess-aspen-hawaii
File name:MT103-Payment-SwiftMesaj.exe
Download: download sample
Signature BluStealer
Create hunting rule
File size:1'096'192 bytes
First seen:2023-07-18 18:43:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:8GFKCcW9RoTHfzW/ZOaXxLvppk/suw0kIrhDhq12N3nCAIQ9:8G8CcW9RoT/a/YahLR2/9Yeh220A
Threatray 22 similar samples on MalwareBazaar
TLSH T1BB35E0002A284F53E4B953F89248DF3453F9AD6A22AFD3264ED33CDB35B6B114943627
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00200032b2f00010 (1 x BluStealer)
Reporter Anonymous
Tags:BluStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
353
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://elandaudio.com/wp-admin/MT103-Payment-SwiftMesaj.r24
Verdict:
Malicious activity
Analysis date:
2023-07-18 06:53:36 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/53f7903e-336a-43d5-9ba8-091d5d615b67

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/424251/
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.9462.3778.11206.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64b6dd74fd9e198dc115cba3/reports/163a2786-ac26-4e03-9fea-ff71983d46f9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9266e629-b55b-4de6-b0fa-ae3f370f58a1
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1275413
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected BluStealer
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275413 Sample: MT103-Payment-SwiftMesaj.exe Startdate: 18/07/2023 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 8 other signatures 2->56 7 MT103-Payment-SwiftMesaj.exe 7 2->7         started        11 RnylxoqUaifuRI.exe 5 2->11         started        process3 file4 40 C:\Users\user\AppData\...\RnylxoqUaifuRI.exe, PE32 7->40 dropped 42 C:\...\RnylxoqUaifuRI.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp241F.tmp, XML 7->44 dropped 46 C:\Users\...\MT103-Payment-SwiftMesaj.exe.log, ASCII 7->46 dropped 58 Contains functionality to inject code into remote processes 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 64 Injects a PE file into a foreign processes 7->64 13 MT103-Payment-SwiftMesaj.exe 1 7 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        66 Multi AV Scanner detection for dropped file 11->66 21 RnylxoqUaifuRI.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 RnylxoqUaifuRI.exe 11->25         started        27 2 other processes 11->27 signatures5 process6 dnsIp7 48 api.telegram.org 149.154.167.220, 443, 49712, 49713 TELEGRAMRU United Kingdom 13->48 29 AppLaunch.exe 2 13->29         started        32 conhost.exe 17->32         started        34 conhost.exe 19->34         started        74 Writes to foreign memory regions 21->74 76 Allocates memory in foreign processes 21->76 78 Injects a PE file into a foreign processes 21->78 36 AppLaunch.exe 21->36         started        38 conhost.exe 23->38         started        signatures8 process9 signatures10 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->68 70 Tries to steal Mail credentials (via file / registry access) 36->70 72 Tries to harvest and steal browser information (history, passwords, etc) 36->72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-18 07:01:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5jgohmozl7d3yl7r3b2gdxsh4jx3db42ytihij7n2nfnw25wt2a._file
Verdict:
malicious
Similar samples:
0bb46de35c85fdcf18501978947bcff14943162662f70134eb00442d837273e9
BluStealer
52c57b48d18cc204ce5703306dcf0f036539f6c4503bc9831c584a0245c1f070
BluStealer
61894dd6d947ab1237c08e4f020e6462fdc7a96903c7cf27523d4e21304c1612
BluStealer
685c0426486e575b97363649b440198dda823627b0067ab5e07a39aa830863f7
BluStealer
80d6d2c92cecab658cfbeb75c1735f4379d63a19d6a9c3637a17b58a2bb8788d
BluStealer
8510b99e4bd38e8adcd3092d7e9a9ac23014efa2a5ff96ad0f971da1dbe6d532
BluStealer
8a8b2c88b95ccfad7225240dda7ad984f068987500ccfe2cadcab357f0fe46ab
BluStealer
8fd3fe63894b618245c1f7ae22b1c53e7a7fadfc009bac8de2c33b4a53e75a05
BluStealer
affc74db906a6b57d940a90471204922b9778426e1defb4be5b645308b1a3da5
BluStealer
ea14e71e40ef5c0214b407a983fc0c540ccccbbde1a8479c55adabe286469589
BluStealer
+ 12 additional samples on MalwareBazaar
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer collection stealer
Link:
https://tria.ge/reports/230718-xdgj4aea2y/
Behaviour
Creates scheduled task(s)
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot6120911772:AAEvnEDbWRlbIuD1NP8MtmiY3tQ46T9SQyo/sendMessage?chat_id=6082430866
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
8d8b328972b9582ae51db8419e6249b7b847c0b927d276f07f03ce793c577daf
MD5 hash:
4f53c5a17031246f872b9dc04a780135
SHA1 hash:
79fe7ad5bcc59b23cf478cfdb1c595d1fc3ea660
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
c1796a8cf6be4b31342d3ba730ee278132be920a0b0946531edfd5d3ab2415ef
MD5 hash:
594173a93a04d2b9ed53ee505a9d418b
SHA1 hash:
f2c5e775bf98475700c428dd92c2d25ee330e96b
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
9c226fc1af65cbcb2140fa8477b3e3b84c7653508b342170a4cba071467773e5
MD5 hash:
d47bf7bb2d7cf7438cad545a19d194fa
SHA1 hash:
2a0eab20ba430516f9cb4eb41c7c2215e5e43a84
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
9870dbb37050b9de21aa65dec30e7094bb34775e2b8a2ee5d37481ce924ecd5c
MD5 hash:
53cd50750accb95e275c7a00c43712e9
SHA1 hash:
b45c7fbb26bb2a25c746764b9ea2272b8227f8bc
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
SH256 hash:
3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4
MD5 hash:
962b447996d774bd6b11a221ab39bd8f
SHA1 hash:
aae4d7117ce9f6c493ed6f7c4d41cbc7c4f805f6
Link:
https://www.unpac.me/results/bd998e0c-63e3-4af5-b17d-975c00992095/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3752671d8eca/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/3752671d8ecafe3de17f8ec3a30ef23f137d8c3cd62683a13f6e9a56db5db4f4

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/424251/

Comments