MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634. 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


IcarusStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634
SHA3-384 hash: b8825a596c5591bfa025e340bdfdf212cc099adaf9f93e926f8bc3538fe9f0946c8b230f62a4167aad51510952e8bd33
SHA1 hash: e9075be3d7e090337eae367878facbb579cf7777
MD5 hash: aa99a9bd20ed096134c0e41582b55c3b
humanhash: alanine-equal-speaker-delaware
File name:aa99a9bd20ed096134c0e41582b55c3b
Download: download sample
Signature IcarusStealer
Create hunting rule
File size:1'071'616 bytes
First seen:2023-01-23 20:00:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:43wpuxlh5liHpqu6PlECZVvdIv31MdHd:43woxlhzLH9j7vdmq1
Threatray 6'089 similar samples on MalwareBazaar
TLSH T1F435AE056E9B207DEC65BD3A81FEEC27E63096D1075BE57190E21DE88CAB281DC44FB1
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe IcarusStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aa99a9bd20ed096134c0e41582b55c3b
Verdict:
Malicious activity
Analysis date:
2023-01-23 20:01:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c0dcca54-cbe0-4ba2-924b-ad1a8434205b

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/356105/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.24570.5823.30461.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/63cee7fd554489340685211e/reports/06c7a08d-665b-4204-9262-51c89ee32936/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.
Malware family:
Icarus Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc82c652-e68a-43a4-a848-df3a5b3ee7df
Result
Threat name:
Icarus
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157368
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Icarus stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 790105 Sample: 6vXxC6FI7A.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 92 Antivirus detection for URL or domain 2->92 94 Sigma detected: Scheduled temp file as task from temp location 2->94 96 Multi AV Scanner detection for submitted file 2->96 98 8 other signatures 2->98 9 6vXxC6FI7A.exe 7 2->9         started        13 VAysGTvi.exe 5 2->13         started        15 explorer.exe 2->15         started        process3 file4 74 C:\Users\user\AppData\Roaming\VAysGTvi.exe, PE32 9->74 dropped 76 C:\Users\...\VAysGTvi.exe:Zone.Identifier, ASCII 9->76 dropped 78 C:\Users\user\AppData\Local\...\tmpB854.tmp, XML 9->78 dropped 80 C:\Users\user\AppData\...\6vXxC6FI7A.exe.log, ASCII 9->80 dropped 108 Detected unpacking (changes PE section rights) 9->108 110 Detected unpacking (overwrites its own PE header) 9->110 112 Uses schtasks.exe or at.exe to add and modify task schedules 9->112 120 2 other signatures 9->120 17 MSBuild.exe 15 4 9->17         started        21 powershell.exe 21 9->21         started        23 schtasks.exe 1 9->23         started        114 Multi AV Scanner detection for dropped file 13->114 116 Machine Learning detection for dropped file 13->116 118 Writes to foreign memory regions 13->118 25 MSBuild.exe 13->25         started        27 schtasks.exe 13->27         started        signatures5 process6 dnsIp7 82 raw.githubusercontent.com 185.199.110.133, 443, 49700 FASTLYUS Netherlands 17->82 100 Injects code into the Windows Explorer (explorer.exe) 17->100 29 cvtres.exe 17->29         started        33 cvtres.exe 17->33         started        45 2 other processes 17->45 35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        84 185.199.111.133, 443, 49765 FASTLYUS Netherlands 25->84 102 Writes to foreign memory regions 25->102 104 Allocates memory in foreign processes 25->104 106 Injects a PE file into a foreign processes 25->106 39 cvtres.exe 25->39         started        41 explorer.exe 25->41         started        47 3 other processes 25->47 43 conhost.exe 27->43         started        signatures8 process9 dnsIp10 86 10.98.61.26, 5225 unknown unknown 29->86 122 Adds a directory exclusion to Windows Defender 29->122 49 cmd.exe 29->49         started        52 cmd.exe 29->52         started        54 cmd.exe 39->54         started        56 cmd.exe 39->56         started        88 192.168.2.1 unknown unknown 41->88 signatures11 process12 signatures13 90 Adds a directory exclusion to Windows Defender 49->90 58 conhost.exe 49->58         started        60 powershell.exe 49->60         started        62 conhost.exe 52->62         started        64 powershell.exe 52->64         started        66 conhost.exe 54->66         started        68 powershell.exe 54->68         started        70 conhost.exe 56->70         started        72 powershell.exe 56->72         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r33oarz7fvnzigza5gp2svsdwew5vspe5mhdtvy4ytfnurapqy2a._file
Verdict:
malicious
Similar samples:
01b0e10d7351007133aa2a5f1cef379b855706256fb70f327990ea142df772ad
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2ba7b33e4ca8e5aa551570f76844426ad636593eb2590aa9344d7488577e93d3
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5a1eefa55376046fc11ee4e448cf705e799638d991e6b1a3533d39bf0467fe56
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64709b83e44493c9daef902de750d67a7dc071da29b2a82a8e79e4d6998f0621
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6b8c08bdfd37a2535412abaab2caff3235b903a2f57d618a35806b98cba075cf
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9bb43e190685f86937e09673de3243cbe1971ecf0eab9b75e09d0de96e9764cb
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c8d7e38a611b60fe03397645b2ae0b3bc2aaa9604c68c81f0baf6565b813fb35
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eadb2c77ad71b5a6dc42808f72acc6e49028f9006b18d2d407fda1268a9c892c
IcarusStealer
+ 6'079 additional samples on MalwareBazaar
Result
Malware family:
icarusstealer
Create hunting rule
Score:
  10/10
Tags:
family:icarusstealer persistence stealer
Link:
https://tria.ge/reports/230123-yspdxsgg8y/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Modifies Installed Components in the registry
IcarusStealer
Unpacked files
SH256 hash:
1c0072bd0c8fbf0e27d145a0ee7e34428936c2ddeba929d3f60e352891e7e0c6
MD5 hash:
b2d0625c46714e40a6a38238659ea9ed
SHA1 hash:
dc43d5d539eab67b7e3109d0e4894e099a1a18f8
Link:
https://www.unpac.me/results/2430dc2c-5d47-417c-bc0d-17355f82f411/
SH256 hash:
7f5a13cd2637aa0a3183bba11e832cc3b32f73afa129f7c6913984e39686b633
MD5 hash:
b9ae36e7d8b6892aec4dfa9fc6230272
SHA1 hash:
621dad44d51b5d85485ae363c7ac0cc287d8ccfe
Link:
https://www.unpac.me/results/2430dc2c-5d47-417c-bc0d-17355f82f411/
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
Link:
https://www.unpac.me/results/2430dc2c-5d47-417c-bc0d-17355f82f411/
SH256 hash:
8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634
MD5 hash:
aa99a9bd20ed096134c0e41582b55c3b
SHA1 hash:
e9075be3d7e090337eae367878facbb579cf7777
Link:
https://www.unpac.me/results/2430dc2c-5d47-417c-bc0d-17355f82f411/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ef6e0473f2d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634

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.

Web download

IcarusStealer

Executable exe 8ef6e0473f2d5b941b20e99fa95643b12ddac9e4eb0e39d71cc4cada440f8634

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2516497/
Cape
Cape
https://www.capesandbox.com/analysis/356105/

Comments


Avatar
zbet commented on 2023-01-23 20:00:43 UTC

url : hxxp://104.223.76.152/76/vbc.exe