MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cfba0ba32dbe3bb0b14a95da032d6cda94eaa5c65135973eea16d12e07e5b58. 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



STRRAT


Vendor detections: 6


Intelligence 6 IOCs 1 YARA File information Comments

SHA256 hash: 1cfba0ba32dbe3bb0b14a95da032d6cda94eaa5c65135973eea16d12e07e5b58
SHA3-384 hash: 2af999538a75a4d62bc2bb6dea2681f923c3611533ea1f7cf1c54cfad956b3cf5bbdf1c240f05dde279028f9e9493953
SHA1 hash: 234c8984e545d77ac64c30898ca3d6bf227f24fa
MD5 hash: efff05f2e8302a3801b7b4cedbcf2cba
humanhash: four-illinois-fourteen-pasta
File name:Pago 31 Mar 2021 at 2.15PP3343PDF.jar
Download: download sample
Signature STRRAT
File size:102'534 bytes
First seen:2021-03-31 09:28:22 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:h4cvusDlVXzIL6pP8Msd5ehlP5o7CLaIBgOWvx57MK6+GrNC3bBByixK0:KsuuHXI6p0Hehx+7CJBCu5CL/yy7
TLSH 9FA3D05BBEDF80E0D00B4076198C41B2D71C5558D41891BF2AFDBB4E0DB2E698B26ADF
Reporter abuse_ch
Tags:jar STRRAT


Avatar
abuse_ch
STRRAT C2:
103.133.109.176:9123

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
103.133.109.176:9123 https://threatfox.abuse.ch/ioc/6188/

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pago 31 Mar 2021 at 2.15PP3343PDF.jar
Verdict:
Malicious activity
Analysis date:
2021-03-31 09:35:55 UTC
Tags:
evasion trojan strrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Signature
Creates autostart registry keys to launch java
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Get antivirus details via WMIC query
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AllatoriJARObfuscator
Yara detected STRRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 378955 Sample: Pago 31 Mar 2021 at 2.15PP3... Startdate: 31/03/2021 Architecture: WINDOWS Score: 96 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Yara detected STRRAT 2->85 87 5 other signatures 2->87 10 cmd.exe 2 2->10         started        12 javaw.exe 2->12         started        14 javaw.exe 2->14         started        16 2 other processes 2->16 process3 process4 18 java.exe 29 10->18         started        22 conhost.exe 10->22         started        dnsIp5 71 github.com 140.82.121.4, 443, 49700 GITHUBUS United States 18->71 73 github-releases.githubusercontent.com 185.199.109.154, 443, 49704 FASTLYUS Netherlands 18->73 75 3 other IPs or domains 18->75 63 C:\cmdlinestart.log, ASCII 18->63 dropped 24 java.exe 2 22 18->24         started        28 icacls.exe 1 18->28         started        file6 process7 file8 65 C:\...\Pago 31 Mar 2021 at 2.15PP3343PDF.jar, Zip 24->65 dropped 67 C:\Users\user\...\jna7858735950894603653.dll, PE32 24->67 dropped 89 Creates autostart registry keys to launch java 24->89 30 java.exe 14 24->30         started        34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        signatures9 process10 dnsIp11 77 103.133.109.176, 49715, 9123 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 30->77 79 ip-api.com 208.95.112.1, 49718, 80 TUT-ASUS United States 30->79 69 C:\Users\user\...\jna4621972235205149632.dll, PE32 30->69 dropped 38 cmd.exe 1 30->38         started        40 cmd.exe 1 30->40         started        42 cmd.exe 30->42         started        44 2 other processes 30->44 file12 process13 process14 46 WMIC.exe 1 38->46         started        49 conhost.exe 38->49         started        51 conhost.exe 40->51         started        53 WMIC.exe 40->53         started        55 conhost.exe 42->55         started        57 WMIC.exe 42->57         started        59 conhost.exe 44->59         started        61 WMIC.exe 44->61         started        signatures15 91 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 46->91
Threat name:
ByteCode-JAVA.Backdoor.Generic
Status:
Suspicious
First seen:
2021-03-31 09:29:05 UTC
AV detection:
1 of 29 (3.45%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
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