Threat name:
Raccoon RedLine SmokeLoader Tofsee
Alert
Classification:
troj.spyw.evad
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Drops PE files with benign system names
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
behaviorgraph
top1
dnsIp2
2
Behavior Graph
ID:
472352
Sample:
HBHNYsrx3p.exe
Startdate:
26/08/2021
Architecture:
WINDOWS
Score:
100
79
geoiptool.com
2->79
81
z-p42-instagram.c10r.facebook.com
2->81
83
33 other IPs or domains
2->83
113
Snort IDS alert for
network traffic (e.g.
based on Emerging Threat
rules)
2->113
115
Malicious sample detected
(through community Yara
rule)
2->115
117
Antivirus detection
for URL or domain
2->117
121
21 other signatures
2->121
10
HBHNYsrx3p.exe
2->10
started
13
cghtgdi
2->13
started
15
svchost.exe
60
2->15
started
17
10 other processes
2->17
signatures3
119
May check the online
IP address of the machine
79->119
process4
dnsIp5
131
Detected unpacking (changes
PE section rights)
10->131
133
Contains functionality
to inject code into
remote processes
10->133
135
Injects a PE file into
a foreign processes
10->135
20
HBHNYsrx3p.exe
10->20
started
23
cghtgdi
13->23
started
137
Injects code into the
Windows Explorer (explorer.exe)
15->137
25
WerFault.exe
15->25
started
75
127.0.0.1
unknown
unknown
17->75
77
192.168.2.1
unknown
unknown
17->77
139
Changes security center
settings (notifications,
updates, antivirus,
firewall)
17->139
signatures6
process7
signatures8
123
Checks for kernel code
integrity (NtQuerySystemInformation(CodeIntegrityInformation))
20->123
125
Maps a DLL or memory
area into another process
20->125
127
Checks if the current
machine is a virtual
machine (disk enumeration)
20->127
27
explorer.exe
24
20->27
injected
129
Creates a thread in
another existing process
(thread injection)
23->129
process9
dnsIp10
85
185.49.70.90, 2080, 49714
LEASEWEB-DE-FRA-10DE
United Kingdom
27->85
87
readinglistforaugust2.xyz
95.213.224.6, 49706, 80
SELECTELRU
Russian Federation
27->87
89
4 other IPs or domains
27->89
59
C:\Users\user\AppData\Roaming\cghtgdi, PE32
27->59
dropped
61
C:\Users\user\AppData\Local\Temp\BD66.exe, PE32
27->61
dropped
63
C:\Users\user\AppData\Local\Temp\B278.exe, PE32
27->63
dropped
65
9 other malicious files
27->65
dropped
141
System process connects
to network (likely due
to code injection or
exploit)
27->141
143
Benign windows process
drops PE files
27->143
145
Performs DNS queries
to domains with low
reputation
27->145
147
4 other signatures
27->147
32
3C27.exe
27->32
started
37
BD66.exe
3
27->37
started
39
2D42.exe
27->39
started
41
5 other processes
27->41
file11
signatures12
process13
dnsIp14
67
geoiptool.com
32->67
69
www.geodatatool.com
158.69.65.151, 443, 49710, 49711
OVHFR
Canada
32->69
51
C:\Users\user\AppData\...\explorer.exe, PE32
32->51
dropped
91
Multi AV Scanner detection
for dropped file
32->91
93
May check the online
IP address of the machine
32->93
95
Machine Learning detection
for dropped file
32->95
111
5 other signatures
32->111
97
Query firmware table
information (likely
to detect VMs)
37->97
99
Hides threads from debuggers
37->99
101
Tries to detect sandboxes
/ dynamic malware analysis
system (registry check)
37->101
43
conhost.exe
37->43
started
45
conhost.exe
39->45
started
71
185.163.47.239, 59054, 80
MIVOCLOUDMD
Moldova Republic of
41->71
73
telete.in
195.201.225.248, 443, 49727
HETZNER-ASDE
Germany
41->73
53
unknown (copy), SQLite
41->53
dropped
55
C:\Users\user\AppData\Local\...\jqozeznb.exe, PE32
41->55
dropped
57
C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32
41->57
dropped
103
Detected unpacking (changes
PE section rights)
41->103
105
Tries to detect sandboxes
and other dynamic analysis
tools (window names)
41->105
107
Tries to harvest and
steal browser information
(history, passwords,
etc)
41->107
109
Injects a PE file into
a foreign processes
41->109
47
WerFault.exe
41->47
started
49
conhost.exe
41->49
started
file15
signatures16
process17
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