MALICIOUS — ea555df6e809a01e5fd5d13d67c184ed84a54c87ce04741223cc66d49c358323

MALICIOUS — ea555df6e809a01e5fd5d13d67c184ed84a54c87ce04741223cc66d49c358323 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Mbrlock family. 6 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: ea555df6e809a01e5fd5d13d67c184ed84a54c87ce04741223cc66d49c358323
SHA-1: e67af33e102f78b7c4fc8038892b37c0e8e729d4
MD5: 6ea50375e322f185816307feffad573c
imphash: 8d08b9aff260461badc1821f4f717247
ssdeep: 393216:hg7ubg7ubg7ubg7ubg7ubg7ubg7ubg7uN:SSsSsSsSsSsSsSsSN
TLSH: T14070237E130B7403DE2AD62564863FCD08637C69507D5888553B84BE83F68EB27816AA
Submitted as: ea555df6e809a01e5fd5d13d67c184ed84a54c87ce04741223cc66d49c358323
File type: pe · Size: 16634880 bytes
Verdict: malicious (100/100) · Family: Mbrlock

Detections (6 of 55 engines)

capa (capabilities): capability:collection/keylog
ClamAV (daily): Win.Trojan.Mbrlock-9779766-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Trojan:Win32/Blocker.EM!MTB
Emsisoft (Emergency Kit): Gen:Variant.Genie.689
Kaspersky (KVRT): Trojan-Ransom.Win32.Blocker.qxqn

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 10 weighted signals:

ClamAV (daily) flagged Win.Trojan.Mbrlock-9779766-0 (rule Win.Trojan.Mbrlock-9779766-0) - engine signal, weight 0.90, confidence 0.95
Dropped a malicious payload: OScam Collection.htm - dynamic signal, weight 0.62, confidence 0.90
2 behavioral detection(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, confidence 0.90
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 20 external host(s) at runtime (25 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1082, T1622, T1497, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

40553 behavior events · 3 ATT&CK techniques · 13 dropped files.

Dropped files

C:\Users\analyst\AppData\Roaming\7D57AD13E21.exe - 140ab77707d016e7bb8cae976930bd99b172b415ca8ff17a2938ddcd39e56b5c
C:\Users\analyst\AppData\Local\Temp\top2.gif - 7cb06f8dbfa5f13359e2dcee822fae73ef01a00ff29ce99ec401a73017875aee
C:\Users\analyst\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db - 371c7f5d4a515a36ffe3da6e9a45753772e1a81b7c61c269295063fbc5fde989
C:\Users\analyst\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db - 723ef109024a7d1b03e6335ee53d0140027b2224765fe5fed23d1b07906a03a6
C:\Users\analyst\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db - d3c9d1ff7b54b653c6a1125cac49f52070338a2dd271817bba8853e99c0f33a9
C:\Users\analyst\AppData\Local\Temp\OScam Collection.htm - fcd785d06efc594628f2460b3098d5b97633f2e4587be0fa50dd8cd60a447407
C:\Users\analyst\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db - 0dc9e64e2b9e237739a6d816d97177119857a547689e610a2087e165833e1d46
C:\Users\analyst\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db - a87402eefbc4625ced6e89433215eabe5a39f33e29ad868da483d2e1860a9a93
C:\Users\analyst\AppData\Local\Microsoft\Internet Explorer\MSIMGSIZ.DAT - b0715c24eef4c3d20c812bb858a4e50569a836f0217c7652fb350be953e5f50d
C:\Users\analyst\AppData\Roaming\Scegli_nome_allegato.exe - ab01a333f38605cbcebd80e0a84ffae2803a9b4f6bebb1e9f773e949a87cb420
ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49 - ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49
0367653f24003fae1324a91b98f41caabdd5d8578a49132aa0222f02d2a106c5 - 0367653f24003fae1324a91b98f41caabdd5d8578a49132aa0222f02d2a106c5
f647ad5887b1993d77bf5e2e6ab9f8ea77328ccf8f68fb78ffae77c1d8970310 - f647ad5887b1993d77bf5e2e6ab9f8ea77328ccf8f68fb78ffae77c1d8970310

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=1787829690&P2=404&P3=2&P4=H8OJzXH1gNItjVUeKgm3Vf6%2fGXZcmzj6jmDNkbnAIkemOHIIut5QrmNKs%2bXYz%2f5yxyJboC6Do4tnGVdLgHL%2fYg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787829773&P2=404&P3=2&P4=iqDz%2byoVxwyocNr%2bRGMJ2ReTRNKibjMBK3XKVSsdJpY0wVW6fBD%2bqqXZ9jymqiWZj5xakfDvL266m55Gg3QC7w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://c.pki.goog/r/gsr1.crl
http://c.pki.goog/r/r4.crl

Embedded domains

hb.za
sunray1975.zapto.org

Embedded IP addresses

40.79.167.10
52.230.59.222
4.230.171.124
172.215.188.225
74.178.240.61
52.182.143.212
135.233.95.135
20.231.239.246
52.123.128.14
40.103.64.226
40.99.134.2
203.26.79.13
52.110.12.22
135.232.92.34
172.178.240.163
52.148.114.188
85.210.193.152
72.153.5.97
142.250.195.163
52.110.12.37

File paths

B:\:t:
X:\:`:d:h:l:p:t:
X:\:`:d:h:l:p:t:x:
J:\:`:d:h:
I:\ba

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report