MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbe18380fe7e4d7ffe4a57fc82795a5d56f838ffcc6ea1c98ec4be42e5a09e33. 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



ISRStealer


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: bbe18380fe7e4d7ffe4a57fc82795a5d56f838ffcc6ea1c98ec4be42e5a09e33
SHA3-384 hash: fddfa8c54d227b7287f07b446046773d5211c2de2c8aff859f545a872cb6c3cede1512f7756eeb1a1733db6a93b29b96
SHA1 hash: d860f77181db38797b547a977fda62f429121810
MD5 hash: 7f4169baf35d0c000b5737f50eb0eddb
humanhash: venus-twenty-oklahoma-hot
File name:bbe18380fe7e4d7ffe4a57fc82795a5d56f838ffcc6ea1c98ec4be42e5a09e33
Download: download sample
Signature ISRStealer
File size:995'328 bytes
First seen:2020-11-15 23:04:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6cea15fcbfd6616496bbe80d9d9d0796 (26 x Loki, 25 x AgentTesla, 10 x ISRStealer)
ssdeep 24576:vB6YZN0KfYbz4CzxHIzjSiak2wbJDX8PGc3s/:vBxN7Q/4elIzjXOwtPe8
Threatray 453 similar samples on MalwareBazaar
TLSH 7225AF22ADA09837D563393DCC0B5BA45F25BF313924A9862BFD3D0F5F79A407825293
Reporter seifreed
Tags:ISRStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Reading critical registry keys
Creating a file in the %temp% directory
DNS request
Connection attempt
Deleting a recently created file
Searching for the window
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
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.
Result
Threat name:
ISRStealer MailPassView
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Passes username and password via HTTP get
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected ISRStealer
Yara detected MailPassView
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 317869 Sample: 9W4hHKzJTV Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 87 spia-indonesia.org 2->87 101 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 Yara detected ISRStealer 2->105 107 4 other signatures 2->107 12 9W4hHKzJTV.exe 2->12         started        15 wscript.exe 1 2->15         started        signatures3 process4 signatures5 153 Detected unpacking (changes PE section rights) 12->153 155 Detected unpacking (overwrites its own PE header) 12->155 157 Tries to steal Mail credentials (via file registry) 12->157 159 5 other signatures 12->159 17 9W4hHKzJTV.exe 12->17         started        19 9W4hHKzJTV.exe 12 12->19         started        23 notepad.exe 1 12->23         started        25 9W4hHKzJTV.exe 15->25         started        process6 dnsIp7 27 9W4hHKzJTV.exe 17->27         started        89 spia-indonesia.org 202.52.146.120, 443, 49712, 49713 GMEDIA-AS-IDGlobalMediaTeknologiPTID Indonesia 19->89 109 Injects a PE file into a foreign processes 19->109 30 9W4hHKzJTV.exe 1 19->30         started        32 9W4hHKzJTV.exe 1 19->32         started        111 Drops VBS files to the startup folder 23->111 113 Delayed program exit found 23->113 115 Writes to foreign memory regions 25->115 117 Allocates memory in foreign processes 25->117 119 Maps a DLL or memory area into another process 25->119 34 9W4hHKzJTV.exe 25->34         started        36 9W4hHKzJTV.exe 13 25->36         started        39 notepad.exe 1 25->39         started        signatures8 process9 dnsIp10 141 Writes to foreign memory regions 27->141 143 Allocates memory in foreign processes 27->143 145 Maps a DLL or memory area into another process 27->145 41 9W4hHKzJTV.exe 27->41         started        43 9W4hHKzJTV.exe 12 27->43         started        47 notepad.exe 1 27->47         started        147 Tries to steal Instant Messenger accounts or passwords 30->147 149 Tries to steal Mail credentials (via file access) 30->149 49 9W4hHKzJTV.exe 34->49         started        91 spia-indonesia.org 36->91 151 Injects a PE file into a foreign processes 36->151 51 9W4hHKzJTV.exe 36->51         started        53 9W4hHKzJTV.exe 36->53         started        signatures11 process12 dnsIp13 55 9W4hHKzJTV.exe 41->55         started        95 spia-indonesia.org 43->95 161 Injects a PE file into a foreign processes 43->161 58 9W4hHKzJTV.exe 43->58         started        60 9W4hHKzJTV.exe 43->60         started        163 Writes to foreign memory regions 49->163 165 Allocates memory in foreign processes 49->165 167 Maps a DLL or memory area into another process 49->167 62 9W4hHKzJTV.exe 49->62         started        65 notepad.exe 49->65         started        67 9W4hHKzJTV.exe 49->67         started        169 Tries to steal Instant Messenger accounts or passwords 51->169 171 Tries to steal Mail credentials (via file access) 51->171 signatures14 process15 dnsIp16 129 Writes to foreign memory regions 55->129 131 Allocates memory in foreign processes 55->131 133 Maps a DLL or memory area into another process 55->133 69 9W4hHKzJTV.exe 55->69         started        73 notepad.exe 55->73         started        76 9W4hHKzJTV.exe 55->76         started        135 Tries to steal Instant Messenger accounts or passwords 58->135 137 Tries to steal Mail credentials (via file access) 58->137 97 spia-indonesia.org 62->97 139 Injects a PE file into a foreign processes 62->139 78 9W4hHKzJTV.exe 62->78         started        80 9W4hHKzJTV.exe 62->80         started        signatures17 process18 dnsIp19 93 spia-indonesia.org 69->93 121 Sample uses process hollowing technique 69->121 123 Injects a PE file into a foreign processes 69->123 82 9W4hHKzJTV.exe 69->82         started        85 C:\Users\user\AppData\Roaming\...\.....vbs, ASCII 73->85 dropped 125 Tries to steal Instant Messenger accounts or passwords 78->125 127 Tries to steal Mail credentials (via file access) 78->127 file20 signatures21 process22 signatures23 99 Tries to harvest and steal browser information (history, passwords, etc) 82->99
Threat name:
Win32.Infostealer.Chisburg
Status:
Malicious
First seen:
2020-11-15 23:06:44 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware upx
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads user/profile data of web browsers
UPX packed file
Unpacked files
SH256 hash:
bbe18380fe7e4d7ffe4a57fc82795a5d56f838ffcc6ea1c98ec4be42e5a09e33
MD5 hash:
7f4169baf35d0c000b5737f50eb0eddb
SHA1 hash:
d860f77181db38797b547a977fda62f429121810
SH256 hash:
1e0b1e394a300df739c8306a6d38e52c7c6b70db568043d53909718b944da6c1
MD5 hash:
d918c744aa934e070f4b7b74db976e35
SHA1 hash:
7e498e4694735659b58b2ddebbbd08369d1b8206
Detections:
win_isr_stealer_auto
SH256 hash:
b5b379c89bf41174005dd9a24c9223fe50fafee39d61af0004190c905f6bbc2c
MD5 hash:
47caacfd9022d9cc64dfb6360843a80e
SHA1 hash:
c3f1965fc4c348f54d5769d10141b907899f6aa1
Detections:
win_isr_stealer_a0 win_isr_stealer_auto
SH256 hash:
34e4a870213f0a360565cc7f22aa88f39068ff2ff1e5089e4ff571166eda90c9
MD5 hash:
0208c859f6da9e03bc54df7f006aa7e6
SHA1 hash:
3e98ce9290a931ab5fa015a92e5447152cf62920
SH256 hash:
56e4a1c7ade87f892308594f487468c3071b11f9b36a544b2777314e1a00ada8
MD5 hash:
d293faf75a68bc29ca97e17beec289ff
SHA1 hash:
00737a2e0c0664e180b4bd5a06828d3d73deddef
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.

  
Delivery method
Other

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