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1

Generic Malware UPX Downloader PE32 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Oct. 17, 2023, 10:01 a.m. Oct. 17, 2023, 10:04 a.m.
Size 476.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5 2a8cb72531364c728a5d258ae273f69e
SHA256 9ec36a5e74861894d8f738e486956fd52899a780dbd759853b1ea8093645e090
CRC32 94B4476C
ssdeep 12288:HNrhTLpMP+R+QDCfA832AtBYmz6af0F7Z1QVjSvPJINR:HthTiP+ffCfB5Lf0F7Z1EKPeNR
Yara
  • UPX_Zero - UPX packed file
  • Network_Downloader - File Downloader
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • Generic_Malware_Zero - Generic Malware

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

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
CtfImeIsIME+0x36fd DllUnregisterServer-0xf9d9 msctf+0x2d08c @ 0x75aad08c
TF_GetGlobalCompartment+0x3dfd CtfImeIsIME-0x344 msctf+0x2964b @ 0x75aa964b
TF_GetInputScope+0xf65 CtfImeDestroyThreadMgr-0x25ae msctf+0x14d6b @ 0x75a94d6b
TF_GetInputScope+0x3176 CtfImeDestroyThreadMgr-0x39d msctf+0x16f7c @ 0x75a96f7c
CtfImeDestroyInputContext+0x280 TF_CanUninitialize-0x1c msctf+0x1e825 @ 0x75a9e825
TF_GetInputScope+0x21fc CtfImeDestroyThreadMgr-0x1317 msctf+0x16002 @ 0x75a96002
TF_GetInputScope+0x21e2 CtfImeDestroyThreadMgr-0x1331 msctf+0x15fe8 @ 0x75a95fe8
TF_GetInputScope+0xbdd CtfImeDestroyThreadMgr-0x2936 msctf+0x149e3 @ 0x75a949e3
TF_GetInputScope+0x1c1a CtfImeDestroyThreadMgr-0x18f9 msctf+0x15a20 @ 0x75a95a20
RtlIsCurrentThreadAttachExempt+0x5f TpCheckTerminateWorker-0x37 ntdll+0x39a91 @ 0x76f49a91
LdrShutdownProcess+0x97 RtlDetectHeapLeaks-0x1bb ntdll+0x58f10 @ 0x76f68f10
RtlExitUserProcess+0x74 LdrShutdownProcess-0x1d ntdll+0x58e5c @ 0x76f68e5c
ExitProcess+0x15 TerminateThread-0xa kernel32+0x17a25 @ 0x755c7a25
1+0xb1c49 @ 0x4b1c49
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: ff 51 0c 8b 45 fc 89 be 8c 04 00 00 3b c7 74 25
exception.symbol: TF_GetCompatibleKeyboardLayout+0x5885 TF_IsCtfmonRunning-0xfd3 msctf+0x43ef4
exception.instruction: call dword ptr [ecx + 0xc]
exception.module: MSCTF.dll
exception.exception_code: 0xc0000005
exception.offset: 278260
exception.address: 0x75ac3ef4
registers.esp: 1637492
registers.edi: 0
registers.eax: 42896016
registers.ebp: 1637520
registers.edx: 1
registers.ebx: 0
registers.esi: 6307688
registers.ecx: 1926182364
1 0 0
VBA32 Trojan.Bitrep
Rising Trojan.Generic@AI.100 (RDML:2oGF09Y/lvba50YYSY6mcA)
section {u'size_of_data': u'0x0006d200', u'virtual_address': u'0x000c9000', u'entropy': 7.923821978635624, u'name': u'UPX1', u'virtual_size': u'0x0006e000'} entropy 7.92382197864 description A section with a high entropy has been found
entropy 0.934689507495 description Overall entropy of this PE file is high
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX