MALICIOUS — eac27a3ad2b12f01a89ba32fa29bd9cbfa3b2ec460b0f1db1ebd368281ed6b4a
MALICIOUS — eac27a3ad2b12f01a89ba32fa29bd9cbfa3b2ec460b0f1db1ebd368281ed6b4a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Small family. 7 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
eac27a3ad2b12f01a89ba32fa29bd9cbfa3b2ec460b0f1db1ebd368281ed6b4a - SHA-1:
64a9fc2ef0ff132ba9b3a8abe0ed6280a11fe2a7 - MD5:
7700f9f828771f024bfae461bd2a8612 - imphash:
a5c96e0cf7e049124ffcb788427ded12 - ssdeep:
49152:67N1ahCm0V7N1ahC50V7N1ahC20V7N1ahC00:67z7s7D7 - TLSH:
T1845EAF7E033B7323DA7ECA284E087E4E406AFC5A50B5588C9267843CE3E5C776951369 - Submitted as: eac27a3ad2b12f01a89ba32fa29bd9cbfa3b2ec460b0f1db1ebd368281ed6b4a
- File type: pe · Size: 2965504 bytes
- Verdict: malicious (100/100) · Family: Small
Detections (7 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Fugrafa-9806497-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Stratosphere IPS: STRATO_Malicious_UserAgent
- Microsoft Defender: Trojan:Win32/Small.HNA!MTB
- Emsisoft (Emergency Kit): Trojan.Agent.AKHT
- Kaspersky (KVRT): Trojan.Win32.Small.xxd
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 18 weighted signals:
- ClamAV (daily) flagged Win.Malware.Fugrafa-9806497-0 (rule
Win.Malware.Fugrafa-9806497-0) - engine signal, weight 0.90, confidence 0.95 - 2 behavioral detection(s) across 2 rule(s): Credential Access: LSASS memory access [critical] (rule
tl-cred-lsass) - dynamic signal, weight 0.83, confidence 0.90 - Microsoft Defender flagged Trojan:Win32/Small.HNA!MTB (rule
Trojan:Win32/Small.HNA!MTB) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.Agent.AKHT (rule
Trojan.Agent.AKHT) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Trojan.Win32.Small.xxd (rule
Trojan.Win32.Small.xxd) - 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: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 1 external host(s) and 19 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- YARA: Stratosphere IPS flagged STRATO_Malicious_UserAgent (rule
STRATO_Malicious_UserAgent) - engine signal, weight 0.45, confidence 0.70 - capa (capabilities) flagged capability:collection/keylog (rule
capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70 - persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - Embedded network infrastructure: http://bsalsa.com, http://bsalsa.com/, http://www.universal101.com/upd.sc - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa 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 (1 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)
58295 behavior events · 2 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
Embedded URLs
- http://bsalsa.com
- http://bsalsa.com/
- http://www.universal101.com/upd.sc
- http://www.universal101.com/upd02.app
- http://gomyron.com/MTgzNjk=/2/6433/ronnoagraug/
- 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
- bsalsa.com
- www.universal101.com
- upd02.app
- gomyron.com
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 52.110.12.51
- 20.184.175.13
- 52.123.252.232
- 20.42.179.192
- 4.230.171.124
- 74.178.240.51
- 4.150.223.109
- 4.144.132.114
- 74.179.77.204
- 48.211.4.16
- 104.18.33.89
- 135.233.45.223
- 4.150.223.115
- 4.150.223.101
- 52.148.114.188
- 92.223.78.30
- 52.110.12.21
- 52.110.12.55
More Small samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report