Summary | ZeroBOX

yam.exe

Malicious Library UPX OS Processor Check PE32 PE File
Category Machine Started Completed
FILE s1_win7_x6403_us March 13, 2023, 9:36 a.m. March 13, 2023, 9:48 a.m.
Size 328.2KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5 961c9c4f65267e43e44e13b6bf265f6f
SHA256 156432010c9c69932d05b3420b22ae89d29e4d858e0626031ed4856f1b3a00cd
CRC32 929231A6
ssdeep 6144:+Ya6e3D2t9hg068nDs+wW2bRmLhW4dlNNwl4jmfX5GJBL12Q0u:+YY3D2L68nDdwW2VUJdlNNQkmv5GZ2Qf
Yara
  • UPX_Zero - UPX packed file
  • Malicious_Library_Zero - Malicious_Library
  • IsPE32 - (no description)
  • PE_Header_Zero - PE File Signature

IP Address Status Action
103.114.163.134 Active Moloch
164.124.101.2 Active Moloch
178.237.33.50 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.103:49165 -> 103.114.163.134:2404 2036594 ET JA3 Hash - Remcos 3.x TLS Connection Malware Command and Control Activity Detected

Suricata TLS

Flow Issuer Subject Fingerprint
TLS 1.3
192.168.56.103:49165
103.114.163.134:2404
None None None

Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

1 1 0
section .ndata
suspicious_features GET method with no useragent header suspicious_request GET http://geoplugin.net/json.gp
request GET http://geoplugin.net/json.gp
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

process_identifier: 2072
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 12288
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00a82000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2072
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00350000
allocation_type: 12289 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2116
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
process_handle: 0xffffffff
1 0 0
file C:\Users\test22\AppData\Local\Temp\xoxytqkz.exe
file C:\Users\test22\AppData\Local\Temp\xoxytqkz.exe
file C:\Users\test22\AppData\Local\Temp\xoxytqkz.exe
Process injection Process 2072 called NtSetContextThread to modify thread in remote process 2116
Time & API Arguments Status Return Repeated

NtSetContextThread

registers.eip: 2005598660
registers.esp: 1964108
registers.edi: 0
registers.eax: 4729168
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000000c4
process_identifier: 2116
1 0 0
MicroWorld-eScan Trojan.GenericKD.65896220
ALYac Gen:Variant.Zusy.452601
Malwarebytes Generic.Trojan.Malicious.DDS
VIPRE Gen:Variant.Nemesis.15914
Sangfor Trojan.Win32.Injector.V05a
Alibaba Trojan:Win32/Injector.22211cbf
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.Nemesis.D3E2A [many]
Cyren W32/Injector.BKL.gen!Eldorado
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Injector.ESTW
Cynet Malicious (score: 100)
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Agent.gen
BitDefender Trojan.GenericKD.65896220
Avast Win32:PWSX-gen [Trj]
DrWeb Trojan.Loader.1338
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.961c9c4f65267e43
Emsisoft Gen:Variant.Nemesis.15914 (B)
SentinelOne Static AI - Suspicious PE
Avira TR/AD.Remcos.wzhox
MAX malware (ai score=82)
Antiy-AVL Trojan/Win32.Injector
Gridinsoft Trojan.Win32.Downloader.sa
Microsoft Trojan:Win32/Tiggre!rfn
GData Gen:Variant.Zusy.452601
Google Detected
McAfee Artemis!961C9C4F6526
Cylance unsafe
TrendMicro-HouseCall TROJ_GEN.R002H0CCB23
Rising Trojan.Injector!8.C4 (CLOUD)
Ikarus Trojan-Spy.FormBook
Fortinet W32/Injector.ESTE!tr
BitDefenderTheta Gen:NN.ZexaF.36308.dqW@aOG0L2j
AVG Win32:PWSX-gen [Trj]