Threat name:
Raccoon RedLine SmokeLoader Tofsee Vidar
Alert
Classification:
spre.troj.spyw.evad.mine
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
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 steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
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 sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Send many emails (e-Mail Spam)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
behaviorgraph
top1
dnsIp2
2
Behavior Graph
ID:
470541
Sample:
vohLQYgpj0.exe
Startdate:
24/08/2021
Architecture:
WINDOWS
Score:
100
101
z-p42-instagram.c10r.instagram.com
2->101
103
yumacatholic.org
2->103
105
76 other IPs or domains
2->105
131
Snort IDS alert for
network traffic (e.g.
based on Emerging Threat
rules)
2->131
133
Malicious sample detected
(through community Yara
rule)
2->133
135
Antivirus detection
for URL or domain
2->135
137
21 other signatures
2->137
11
vohLQYgpj0.exe
2->11
started
14
rvyugpmi.exe
2->14
started
16
thehhje
2->16
started
18
5 other processes
2->18
signatures3
process4
dnsIp5
179
Detected unpacking (changes
PE section rights)
11->179
181
Contains functionality
to inject code into
remote processes
11->181
183
Injects a PE file into
a foreign processes
11->183
21
vohLQYgpj0.exe
11->21
started
185
Writes to foreign memory
regions
14->185
187
Allocates memory in
foreign processes
14->187
24
svchost.exe
14->24
started
28
thehhje
16->28
started
107
192.168.2.1
unknown
unknown
18->107
30
WerFault.exe
18->30
started
signatures6
process7
dnsIp8
139
Checks for kernel code
integrity (NtQuerySystemInformation(CodeIntegrityInformation))
21->139
141
Maps a DLL or memory
area into another process
21->141
143
Checks if the current
machine is a virtual
machine (disk enumeration)
21->143
32
explorer.exe
15
21->32
injected
109
www.instagram.com
24->109
111
outlook.com
24->111
113
45 other IPs or domains
24->113
93
C:\Windows\SysWOW64\...\systemprofile:.repos, DOS
24->93
dropped
145
System process connects
to network (likely due
to code injection or
exploit)
24->145
147
Creates files in alternative
data streams (ADS)
24->147
149
Injects a PE file into
a foreign processes
24->149
151
Creates a thread in
another existing process
(thread injection)
28->151
file9
signatures10
process11
dnsIp12
95
185.49.70.90, 2080, 49738
LEASEWEB-DE-FRA-10DE
United Kingdom
32->95
97
readinglistforaugust2.xyz
95.213.224.6, 80
SELECTELRU
Russian Federation
32->97
99
2 other IPs or domains
32->99
75
C:\Users\user\AppData\Roaming\thehhje, PE32
32->75
dropped
77
C:\Users\user\AppData\Local\Temp\31C5.exe, PE32
32->77
dropped
79
C:\Users\user\AppData\Local\Temp\29C6.exe, PE32
32->79
dropped
81
5 other files (4 malicious)
32->81
dropped
123
System process connects
to network (likely due
to code injection or
exploit)
32->123
125
Benign windows process
drops PE files
32->125
127
Performs DNS queries
to domains with low
reputation
32->127
129
4 other signatures
32->129
37
31C5.exe
32->37
started
41
explorer.exe
32->41
started
44
29C6.exe
32->44
started
46
11 other processes
32->46
file13
signatures14
process15
dnsIp16
83
C:\Users\user\AppData\Local\...\rvyugpmi.exe, PE32
37->83
dropped
153
Detected unpacking (changes
PE section rights)
37->153
155
Uses netsh to modify
the Windows network
and firewall settings
37->155
157
Modifies the windows
firewall
37->157
48
cmd.exe
37->48
started
51
cmd.exe
37->51
started
53
sc.exe
37->53
started
59
3 other processes
37->59
115
readinglistforaugust3.xyz
41->115
159
System process connects
to network (likely due
to code injection or
exploit)
41->159
161
Tries to harvest and
steal Putty / WinSCP
information (sessions,
passwords, etc)
41->161
163
Tries to steal Mail
credentials (via file
access)
41->163
165
Performs DNS queries
to domains with low
reputation
41->165
167
Query firmware table
information (likely
to detect VMs)
44->167
169
Tries to detect sandboxes
and other dynamic analysis
tools (window names)
44->169
175
2 other signatures
44->175
55
conhost.exe
44->55
started
117
188.119.112.104, 49814, 80
SERVERIUS-ASNL
Russian Federation
46->117
119
185.230.143.48, 14462, 49739
HostingvpsvilleruRU
Russian Federation
46->119
121
5 other IPs or domains
46->121
85
C:\Users\user\AppData\Local\Temp\...\.dll, PE32+
46->85
dropped
87
C:\Users\user\AppData\Local\...\nss3[1].dll, PE32
46->87
dropped
89
C:\Users\user\AppData\...\vcruntime140[1].dll, PE32
46->89
dropped
91
11 other files (none is malicious)
46->91
dropped
171
Queries sensitive disk
information (via WMI,
Win32_DiskDrive, often
done to detect virtual
machines)
46->171
173
Contains functionality
to steal Internet Explorer
form passwords
46->173
177
3 other signatures
46->177
57
WerFault.exe
46->57
started
file17
signatures18
process19
file20
73
C:\Windows\SysWOW64\...\rvyugpmi.exe (copy), PE32
48->73
dropped
61
conhost.exe
48->61
started
63
conhost.exe
51->63
started
65
conhost.exe
53->65
started
67
conhost.exe
59->67
started
69
conhost.exe
59->69
started
71
conhost.exe
59->71
started
process21
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