MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70fa2300d7932ab901c19878bf109bdd9e078e96380879ca2ce2c3f9fc5c7665. 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



Amadey


Vendor detections: 9


Maldoc score: 19


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 70fa2300d7932ab901c19878bf109bdd9e078e96380879ca2ce2c3f9fc5c7665
SHA3-384 hash: ccf0a0576735fce4f5d366f33db8974394770441274265c1c1cd64875142d45f6e24fd993cd6570ea28a930158e7a1f1
SHA1 hash: 25c0a651d7bdfdfca2f37160837829bea669c5f7
MD5 hash: 90a59c16d670fd77d710516299533834
humanhash: low-sixteen-alanine-five
File name:70fa2300d7932ab901c19878bf109bdd9e078e96380879ca2ce2c3f9fc5c7665.bin
Download: download sample
Signature Amadey
File size:53'248 bytes
First seen:2021-02-04 19:10:42 UTC
Last seen:2021-02-04 21:00:17 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 384:Mo8AY64U4jOHgiI/6iSY5UFXoOfYxFSAtcwqVCM+V0hxtjiK6yOrX0jui3M:t/7dRc6lCMvxp6yOL5i
TLSH 7033D60EB2A5CD22F3AA1F324DDBD9DD6375BC29AE11964B72003F1F2D719714A50B05
Reporter Arkbird_SOLG
Tags:Amadey apt Thallium

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 19
Application name is Microsoft Office Word
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
24096 bytesDocumentSummaryInformation
34096 bytesSummaryInformation
47350 bytes1Table
54096 bytesData
6375 bytesMacros/PROJECT
741 bytesMacros/PROJECTwm
88376 bytesMacros/VBA/ThisDocument
92805 bytesMacros/VBA/_VBA_PROJECT
101716 bytesMacros/VBA/__SRP_0
11102 bytesMacros/VBA/__SRP_1
124010 bytesMacros/VBA/__SRP_2
13103 bytesMacros/VBA/__SRP_3
14515 bytesMacros/VBA/dir
159262 bytesWordDocument
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecDocument_OpenRuns when the Word or Publisher document is opened
SuspiciousOpenMay open a file
SuspiciousWriteMay write to a file (if combined with Open)
Suspiciousadodb.streamMay create a text file
SuspiciousSaveToFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
Suspiciousmicrosoft.xmlhttpMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)

Intelligence


File Origin
# of uploads :
2
# of downloads :
689
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
70fa2300d7932ab901c19878bf109bdd9e078e96380879ca2ce2c3f9fc5c7665.bin
Verdict:
Malicious activity
Analysis date:
2021-02-05 07:06:46 UTC
Tags:
macros macros-on-open trojan amadey

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
Osiris Amadey
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Signature
Creates an undocumented autostart registry key
Detected Osiris Trojan
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with many string operations indicating source code obfuscation
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: MS Office Product Spawning Exe in User Dir
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Amadey bot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 334547 Sample: rzPgiw3qJz Startdate: 28/12/2020 Architecture: WINDOWS Score: 100 41 www.un.org 2->41 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 10 other signatures 2->65 10 WINWORD.EXE 302 45 2->10         started        15 iexplore.exe 23 37 2->15         started        signatures3 process4 dnsIp5 51 www.rabadaun.com 134.0.11.201, 443, 49165 CDMONsistemescdmoncomES Spain 10->51 37 C:\Users\user\AppData\Roaming\...\spolsve.exe, PE32 10->37 dropped 39 C:\Users\user\AppData\Local\...\TEMP[1].so, PE32 10->39 dropped 67 Document exploit detected (creates forbidden files) 10->67 69 Document exploit detected (process start blacklist hit) 10->69 17 spolsve.exe 1 10->17         started        21 iexplore.exe 5 266 15->21         started        file6 signatures7 process8 dnsIp9 33 C:\Users\user\AppData\Local\...\Liebert.bmp, PE32 17->33 dropped 53 Multi AV Scanner detection for dropped file 17->53 55 Detected Osiris Trojan 17->55 57 Maps a DLL or memory area into another process 17->57 24 spolsve.exe 2 17->24         started        43 www.un.org 157.150.185.49, 443, 49186, 49187 SITABE United States 21->43 45 stats.l.doubleclick.net 108.177.15.156, 443, 49212, 49213 GOOGLEUS United States 21->45 47 18 other IPs or domains 21->47 file10 signatures11 process12 dnsIp13 49 186.122.150.107, 49168, 49169, 49170 TechtelLMDSComunicacionesInteractivasSAAR Argentina 24->49 35 C:\ProgramData\a7963\tlworker.exe, PE32 24->35 dropped 28 cmd.exe 24->28         started        file14 process15 process16 30 reg.exe 28->30         started        signatures17 71 Creates an undocumented autostart registry key 30->71
Threat name:
Script-Macro.Trojan.Valyria
Status:
Malicious
First seen:
2020-12-24 02:21:00 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro macro_on_action xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments