MALICIOUS — 2d06f63afcf12721e529a1716f6fa8cdd3c4a7f8ae36027a74eecd4e58271f88

MALICIOUS — 2d06f63afcf12721e529a1716f6fa8cdd3c4a7f8ae36027a74eecd4e58271f88 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the ImJfa4pdRVd family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 2d06f63afcf12721e529a1716f6fa8cdd3c4a7f8ae36027a74eecd4e58271f88
SHA-1: 2ae5eb85b49bfc39a1add2054a41129d7e2e4c82
MD5: e6ce412b89ee674c330902712deac4ef
imphash: e60d0e6577962a1096407913ed128742
ssdeep: 3072:IyrN/sVywaEj1UsEOBYJwyrN/sVywaEj1UscilfOvQ//1C5jiJhlq:Nh9wv1Ut3nh9wv1UhydC5jiJhlq
TLSH: T1843E020A6542D47DD1E3BD686C98C21CFC514F68493A9DC069023F9B905EB1B94F8ACD
Submitted as: 2d06f63afcf12721e529a1716f6fa8cdd3c4a7f8ae36027a74eecd4e58271f88
File type: pe · Size: 143872 bytes
Verdict: malicious (99/100) · Family: ImJfa4pdRVd

Detections (6 of 55 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
Detect It Easy (packer/type): DIE:Turbo Linker
Microsoft Defender: Trojan:Win32/Vindor!pz
Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.imJfa4pdRVd
Kaspersky (KVRT): Worm.Win32.Wenper.b

MITRE ATT&CK

Why this verdict

The malicious score of 99/100 is the fusion of 9 weighted signals:

ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95
Dropped a malicious payload (Somhoveran): crypto.dll - dynamic signal, weight 0.62, confidence 0.90
Memory forensics: 6 finding(s), e.g. RWX/private injected region in taskhostw.exe (pid 1656) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 21 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

311 behavior events · 2 ATT&CK techniques · 4 dropped files.

Dropped files

C:\Windows\System32\crypto.dll - 799d6239a2e63a509f86fe94e801d394d663e563ea049f564e92b41e3ed0d048
C:\Windows\System32\net.cpl - a261f812e11302bdb7433bcb34a35549655ea634c318cda0b1bddd62174bd3e4
C:\Windows\System32\lcss.exe - 42431bd7f6a7a5492f5ff8735c3a319c324647b778ff8ea265f16e8b9f0a4b66
C:\Windows\System32\wlogon.dll - 9957e87e98697ef6bc35cbf26cbc30f52f7ce3188f992a65695ffa20b1ee59a5

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787637215&P2=404&P3=2&P4=bOBeTIOQEAK%2f%2beQ7iPtZtZjzdSUc2d7BUy0tXYAp5NxERFBWl0sw28QpIIYxKWQQhrHo19WfQSuvkamDWjMKcQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

20.42.73.24
4.230.171.124
85.210.196.11
20.247.184.142
135.233.95.144
20.184.175.8
74.178.240.51
92.223.78.30
52.123.128.14
20.76.201.171
52.123.129.14
172.178.240.163
4.150.223.111
52.168.117.175
172.178.240.161
203.26.79.13
74.179.71.159
52.148.114.188
72.154.7.99
52.110.12.50
52.110.12.56

More ImJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report