MALICIOUS — 0a8da04a5c2f22a039f2b1284d30914594704c5b9e097aeaa67af9a7c83cf6ad

MALICIOUS — 0a8da04a5c2f22a039f2b1284d30914594704c5b9e097aeaa67af9a7c83cf6ad is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Urelas family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 0a8da04a5c2f22a039f2b1284d30914594704c5b9e097aeaa67af9a7c83cf6ad
SHA-1: 758cf170b57f8c5c2201f0dd39220a5a4be16338
MD5: dd8c06150b3cc42a2fe85944e7dd0859
imphash: e296f3e0d8a2821d5e0a3719d2e0e79d
ssdeep: 6144:ssa1jZVgy03se0kX1bewB1TY8BcA18rhyzypLZhF5D/e1M8p/KbW:gtVgyusetedUfzeLl5DmMdbW
TLSH: T1D849CF4D82F667C5EAE7D7201E108E0E60E2ACDDE0BE1C440A87D06D3BE2D5BD6E1156
Submitted as: 0a8da04a5c2f22a039f2b1284d30914594704c5b9e097aeaa67af9a7c83cf6ad
File type: pe · Size: 393168 bytes
Verdict: malicious (100/100) · Family: Urelas

Detections (6 of 56 engines)

ClamAV (daily): Win.Malware.Urelas-9956786-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Trojan:Win32/Urelas.AA
Emsisoft (Emergency Kit): Trojan.GenericKD.65665359
Trellix Stinger (McAfee): Gupboot!DD8C06150B3C
Kaspersky (KVRT): Trojan.Win32.Scar.oila

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 14 weighted signals:

ClamAV (daily) flagged Win.Malware.Urelas-9956786-0 (rule Win.Malware.Urelas-9956786-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Urelas.AA (rule Trojan:Win32/Urelas.AA) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.GenericKD.65665359 (rule Trojan.GenericKD.65665359) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Gupboot!DD8C06150B3C (rule Gupboot!DD8C06150B3C) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.Scar.oila (rule Trojan.Win32.Scar.oila) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 6 external host(s) and 15 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Embedded network infrastructure: 1.234.83.146, 133.242.129.155, 218.54.31.226 - static signal, weight 0.35, confidence 0.60
Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Extracted generic config (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

16028 behavior events · 2 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\golfinfo.ini - fe137a758b1427fad2b7f24665cb9c98c5a3da58b6fdce9ea5e01f3fd1b640e7
C:\Users\analyst\AppData\Local\Temp\vuyfc.exe - 567a31d3f0e9fc73e062fac5c2f55ba8e84f0dbba75946695a52f564e6dd8759

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

1.234.83.146
133.242.129.155
218.54.31.226
218.54.31.165
4.150.223.106
20.247.184.142
4.230.171.124
172.64.154.167
52.110.12.54
52.110.12.22
172.178.240.163
57.155.104.224
135.233.45.221
52.148.114.188
52.110.12.4
72.153.5.62
52.110.12.20

File paths

X:\:`:d:h:l:
K:\:
X:\:`:d:h:l:p:t:x:

More Urelas samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report