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update.exe

Malicious Library PE64 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Sept. 30, 2024, 9:26 a.m. Sept. 30, 2024, 9:36 a.m.
Size 19.0KB
Type PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
MD5 dc66a0481a259a5c8820880822ff0b3a
SHA256 a8a1a9e80fd7d0ce85227bafd2ec004d2cb52d7e37744cd37bd3641c946822ef
CRC32 692B5C27
ssdeep 192:bV7qaCF6Op1t2dobVXujRDcBaXWQjwOT/2OcJWF8qa1Dojjgi:1qaCF31cix+Dc4zjbjFF46gi
Yara
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • IsPE64 - (no description)

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
47.239.242.141 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.101:49165 -> 47.239.242.141:9999 2033713 ET MALWARE Cobalt Strike Beacon Observed Targeted Malicious Activity was Detected
TCP 47.239.242.141:9999 -> 192.168.56.101:49162 2035442 ET MALWARE Successful Cobalt Strike Shellcode Download (x64) M1 A Network Trojan was detected
TCP 192.168.56.101:49163 -> 47.239.242.141:9999 2033713 ET MALWARE Cobalt Strike Beacon Observed Targeted Malicious Activity was Detected

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: TEST22-PC
1 1 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2552
region_size: 4194304
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000003520000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2552
region_size: 335872
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00000000029d0000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2552
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000002720000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffffffffffff
1 0 0
description update.exe tried to sleep 171 seconds, actually delayed analysis time by 171 seconds
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2552
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 4096
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x0000000000550000
process_handle: 0xffffffffffffffff
1 0 0
host 47.239.242.141
process update.exe useragent
process update.exe useragent Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; MAARJS)
Bkav W64.AIDetectMalware
Cynet Malicious (score: 100)
Skyhigh BehavesLike.Win64.Trojan.lm
ALYac Dump:Generic.ShellCode.Marte.2.4EB8D909
Cylance Unsafe
VIPRE Dump:Generic.ShellCode.Marte.2.4EB8D909
Sangfor Trojan.Win32.CobaltStrike
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Dump:Generic.ShellCode.Marte.2.4EB8D909
K7GW Trojan ( 00580b4c1 )
K7AntiVirus Trojan ( 00580b4c1 )
Arcabit Dump:Generic.ShellCode.Marte.2.4EB8D909
VirIT Trojan.Win64.Genus.BRF
Symantec Backdoor.Cobalt
Elastic Windows.Trojan.CobaltStrike
ESET-NOD32 a variant of Win64/CobaltStrike.Artifact.A
APEX Malicious
Avast Win64:Evo-gen [Trj]
ClamAV Win.Trojan.CobaltStrike-9044898-1
Kaspersky HEUR:Trojan.Win32.Generic
MicroWorld-eScan Dump:Generic.ShellCode.Marte.2.4EB8D909
Rising Backdoor.CobaltStrike/x64!1.E382 (CLASSIC)
Emsisoft Dump:Generic.ShellCode.Marte.2.4EB8D909 (B)
F-Secure Heuristic.HEUR/AGEN.1345031
DrWeb BackDoor.CobaltStrike.46
TrendMicro Backdoor.Win64.COBEACON.SMA
McAfeeD ti!A8A1A9E80FD7
CTX exe.unknown.dump
Sophos ATK/Cobalt-A
SentinelOne Static AI - Malicious PE
FireEye Generic.mg.dc66a0481a259a5c
Jiangmin Trojan.CozyDuke.dk
Google Detected
Avira HEUR/AGEN.1345031
Antiy-AVL RiskWare/Win64.Artifact
Kingsoft malware.kb.a.890
Gridinsoft Trojan.Win64.Kryptik.oa!s1
Microsoft Backdoor:Win64/CobaltStrike!pz
ZoneAlarm HEUR:Trojan.Win64.CobaltStrike.gen
GData Dump:Generic.ShellCode.Marte.2.4EB8D909
Varist W64/Kryptik.GRO
AhnLab-V3 Malware/Win64.RL_Backdoor.R363496
McAfee CobaltStrike-so!DC66A0481A25
TACHYON Trojan/W64.CobaltStrike.19456
DeepInstinct MALICIOUS
VBA32 Backdoor.Win64.CobaltStrike
Malwarebytes Generic.Malware.AI.DDS
Ikarus Trojan.Win64.Cobaltstrike
Panda Trj/GdSda.A
TrendMicro-HouseCall Backdoor.Win64.COBEACON.SMA