MALICIOUS — b4d7d0d944591ecd040478575dc19e06275e36b73f04bc7e8ebd5ce1f4482282

MALICIOUS — b4d7d0d944591ecd040478575dc19e06275e36b73f04bc7e8ebd5ce1f4482282 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the VJadtre family. 7 of 52 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: b4d7d0d944591ecd040478575dc19e06275e36b73f04bc7e8ebd5ce1f4482282
SHA-1: d59486a6101248d18d95c072dad86340d2d07655
MD5: 1fdbe08cd059e7b71d549277b14c442e
imphash: e38062877caac65585afa2d2c3200df4
ssdeep: 768:aW29n/P4/C9tY+gJXe3QGPL4vzZq2o9W7GsxBbPr:wPZnYreAGCq2iW7z
TLSH: T16D2DBFCE0B543E8DD9CAD912F484CE1C1B07AAAC2639758C6907E52F51709AB6C39E4C
Submitted as: b4d7d0d944591ecd040478575dc19e06275e36b73f04bc7e8ebd5ce1f4482282
File type: pe · Size: 28672 bytes
Verdict: malicious (100/100) · Family: VJadtre

Detections (7 of 52 engines)

ClamAV (daily): Win.Malware.Wapomi-10020301-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Microsoft Defender: Virus:Win32/Mikcer.B
Emsisoft (Emergency Kit): Win32.VJadtre.3
Trellix Stinger (McAfee): Trojan-FVWC!1FDBE08CD059
Kaspersky (KVRT): Virus.Win32.Nimnul.f

MITRE ATT&CK

Why this verdict

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

ClamAV (daily) flagged Win.Malware.Wapomi-10020301-0 (rule Win.Malware.Wapomi-10020301-0) - engine signal, weight 0.90, confidence 0.95
Dropped a malicious payload (Madeba): 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 - dynamic signal, weight 0.80, confidence 0.90
Memory forensics: 3 finding(s), e.g. RWX/private injected region in svchost.exe (pid 936) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
Microsoft Defender flagged Virus:Win32/Mikcer.B (rule Virus:Win32/Mikcer.B) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Win32.VJadtre.3 (rule Win32.VJadtre.3) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Trojan-FVWC!1FDBE08CD059 (rule Trojan-FVWC!1FDBE08CD059) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Virus.Win32.Nimnul.f (rule Virus.Win32.Nimnul.f) - engine signal, weight 0.55, 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 36 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule YR_Packer_ASPack_MPRESS) - engine signal, weight 0.35, confidence 0.70
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

13472 behavior events · 2 ATT&CK techniques · 50 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/10762/files/fd6179fdf890a01c3f7a133b310369ef75db05c9b38bc3f120a06c647ff8ad16 - fd6179fdf890a01c3f7a133b310369ef75db05c9b38bc3f120a06c647ff8ad16
/opt/CAPEv2/storage/analyses/10762/files/4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 - 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
/opt/CAPEv2/storage/analyses/10762/files/0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - 0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91
/opt/CAPEv2/storage/analyses/10762/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
/opt/CAPEv2/storage/analyses/10762/files/920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0 - 920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0
/opt/CAPEv2/storage/analyses/10762/files/f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379 - f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379
/opt/CAPEv2/storage/analyses/10762/files/079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4 - 079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4
/opt/CAPEv2/storage/analyses/10762/files/bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a - bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a
/opt/CAPEv2/storage/analyses/10762/files/81bac677e834253ae60125ed1be64b1ed0cf25adacaee3fd70a4000b8d5bd508 - 81bac677e834253ae60125ed1be64b1ed0cf25adacaee3fd70a4000b8d5bd508
/opt/CAPEv2/storage/analyses/10762/files/249b0d96ae8bc49c773c0054b8a6d05f689cbcd9abc9572d30bfb2a2bac36b1a - 249b0d96ae8bc49c773c0054b8a6d05f689cbcd9abc9572d30bfb2a2bac36b1a
/opt/CAPEv2/storage/analyses/10762/files/e91dc258304b42180887679f892e47587a8d67d1140ffb3e8acf79deb95cdb9c - e91dc258304b42180887679f892e47587a8d67d1140ffb3e8acf79deb95cdb9c
/opt/CAPEv2/storage/analyses/10762/files/8defdd6170e901da1bf905f663dd00551f297f2184ac22516d9c73e38e4f37a6 - 8defdd6170e901da1bf905f663dd00551f297f2184ac22516d9c73e38e4f37a6
/opt/CAPEv2/storage/analyses/10762/files/7e42b39d55f1ad07551daedacb1d0191c4b9cefeadf0008766819626bac923c1 - 7e42b39d55f1ad07551daedacb1d0191c4b9cefeadf0008766819626bac923c1
/opt/CAPEv2/storage/analyses/10762/files/81a618f21cb87db9076134e70388b6e9cb7c2106739011b6a51772d22cae06b7 - 81a618f21cb87db9076134e70388b6e9cb7c2106739011b6a51772d22cae06b7
/opt/CAPEv2/storage/analyses/10762/files/62aab98528514ce16def0b896fe9b756bd8f2589e641f2da204380fc08e75297 - 62aab98528514ce16def0b896fe9b756bd8f2589e641f2da204380fc08e75297

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://203.26.79.13/filestreamingservice//files/736bdc20-582e-46c5-ba31-d31d3d97258e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/736bdc20-582e-46c5-ba31-d31d3d97258e?P1=1786461194&P2=404&P3=2&P4=ZYw8lZyBIYfiKpvbPPsiCIc%2fSFc8L2fOJqD2ppenOC5kWYjue49i5ZUMDtBPjpmpBIlIKs7s4pO%2bJQJwW%2fS4XA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c48ae315-f580-4b6c-801e-58a0f885749d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c48ae315-f580-4b6c-801e-58a0f885749d?P1=1786461226&P2=404&P3=2&P4=SWOAfeGMgxarTok56LAhTy4oP2geIH%2byo9ubuI6iLP6NyChwnh0c5c6z%2bP7q2gf7ya6wW0CDVjJKinNW0rN5aQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

ddos.dnsnb8.net

Embedded IP addresses

203.26.79.13
51.105.71.136
52.123.252.222
20.247.184.142
40.84.85.40
4.230.171.124
74.178.76.128
135.233.95.135
20.42.73.27
135.234.160.246
3.229.117.57
20.165.94.46
20.42.179.204
52.168.117.170
52.168.117.168
135.232.92.34
72.154.7.98
52.148.114.188
52.110.12.15
52.110.12.33

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report