MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e. 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


ErbiumStealer


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e
SHA3-384 hash: c28b26bccc7b4d92a15e27ad1ef9fbe032d6db5658510a101ae91e216496036bc1c664b6ebbafa5b3e0f4a459b2a10ba
SHA1 hash: a6708fc89b2e60829ca3b3e57db57539120f322c
MD5 hash: 4382ae7f19926cdf82e0bb6b93edcc86
humanhash: london-whiskey-march-cola
File name:4382ae7f19926cdf82e0bb6b93edcc86.exe
Download: download sample
Signature ErbiumStealer
Create hunting rule
File size:1'047'552 bytes
First seen:2023-01-06 10:00:01 UTC
Last seen:2023-01-06 11:31:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4cea7ae85c87ddc7295d39ff9cda31d1 (85 x RedLineStealer, 68 x LummaStealer, 61 x Rhadamanthys)
ssdeep 1536:Irae78zjORCDGwfdCSog01313Zs5gd3K+RVi+4K:AahKyd2n31m5L+R05K
TLSH T1F52568C533549067EC579A604E93839AA76CFCD1AE7131973360F36E0B3A9D32E69B01
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:ErbiumStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4382ae7f19926cdf82e0bb6b93edcc86.exe
Verdict:
Malicious activity
Analysis date:
2023-01-06 10:08:21 UTC
Tags:
opendir erbium loader stealer
Link:
https://app.any.run/tasks/e3d2ab64-6d62-48de-a361-071833b4a6ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/349943/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64783946.14559.4540.UNOFFICIAL
Create hunting rule

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
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Unauthorized injection to a recently created process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
advpack.dll rundll32.exe setupapi.dll shell32.dll
Link:
https://www.filescan.io/uploads/63b7f12e40e878e30423254e/reports/30bad999-d2b8-40f2-a75b-b9e69406002c/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2ab473c2-d861-4c9c-8317-0e7cee920b92
Result
Threat name:
Erbium Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1146346
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Costura Assembly Loader
Yara detected Erbium Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 779079 Sample: xAm72IGcvD.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 3 other signatures 2->58 8 xAm72IGcvD.exe 1 4 2->8         started        11 rundll32.exe 2->11         started        process3 file4 40 C:\Users\user\AppData\...\setup_ovl3.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\...\approachov.exe, PE32 8->42 dropped 13 approachov.exe 15 4 8->13         started        17 setup_ovl3.exe 14 3 8->17         started        process5 dnsIp6 48 atomm.com.br 108.167.151.39, 443, 49696 UNIFIEDLAYER-AS-1US United States 13->48 62 Antivirus detection for dropped file 13->62 64 Multi AV Scanner detection for dropped file 13->64 66 Encrypted powershell cmdline option found 13->66 19 approachov.exe 26 13->19         started        24 powershell.exe 16 13->24         started        50 ignitenews24.com 66.235.200.145, 443, 49700 CLOUDFLARENETUS United States 17->50 26 powershell.exe 17->26         started        signatures7 process8 dnsIp9 44 77.73.133.53, 49698, 49701, 80 AS43260TR Kazakhstan 19->44 46 77.73.134.59, 49699, 49702, 80 FIBEROPTIXDE Kazakhstan 19->46 32 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 19->32 dropped 34 C:\Users\user\AppData\Local\...\freebl3.dll, PE32 19->34 dropped 36 C:\Users\user\AppData\Local\...\clearkey.dll, PE32 19->36 dropped 38 7 other files (3 malicious) 19->38 dropped 60 Tries to harvest and steal browser information (history, passwords, etc) 19->60 28 conhost.exe 24->28         started        30 conhost.exe 26->30         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e/
Threat name:
Win64.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-01-06 06:42:21 UTC
AV detection:
14 of 39 (35.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rctksgwdzrxydjh6hafupd7zvpqob7axkbc4jon5kbqvathlpuxa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/230106-l1n2xabc8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3ee9c0d0-886a-4333-9e16-1ea7aac33726
Unpacked files
SH256 hash:
88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e
MD5 hash:
4382ae7f19926cdf82e0bb6b93edcc86
SHA1 hash:
a6708fc89b2e60829ca3b3e57db57539120f322c
Link:
https://www.unpac.me/results/fc925e5c-c763-4968-9680-4ce339ed4046/
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/88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e

File information

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

Web download

ErbiumStealer

Executable exe 88a6a91ac3cc6f81a4fe380b478ff9abe0e0fc175045c4b9bd5061504ceb7d2e

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/349943/
  
URLhaus
https://urlhaus.abuse.ch/url/2490844/
  
Delivery method
Distributed via web download

Comments