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po-docs-may24.exe

UPX Admin Tool (Sysinternals etc ...) Malicious Library PE32 PE File MZP Format
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6402 May 24, 2023, 6:49 p.m. May 24, 2023, 6:51 p.m.
Size 806.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 14d2501921d7cf94f36f5deb78c93982
SHA256 0b902145264ae6455a8d945c762dde3076642ca9447fef3828a743e714d0fb5d
CRC32 47436719
ssdeep 12288:j9Id6OrPwqTQAwBTTvY0Z3l9+P/bnqvPPOmWnADUcHvNEw3:j9XyTFwtTpZ1E32POMHm0
Yara
  • UPX_Zero - UPX packed file
  • mzp_file_format - MZP(Delphi) file format
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • Admin_Tool_IN_Zero - Admin Tool Sysinternals

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.102:49163 -> 13.107.42.13:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined

Suricata TLS

Flow Issuer Subject Fingerprint
TLSv1
192.168.56.102:49163
13.107.42.13:443 		C=US, O=Microsoft Corporation, CN=Microsoft Azure TLS Issuing CA 05 C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=onedrive.com 4e:11:98:32:9d:ab:e8:3b:be:4e:e9:05:86:88:8d:67:16:9b:c0:9b

section CODE
section DATA
section BSS
packer BobSoft Mini Delphi -> BoB / BobSoft
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
0x3687b4e
0x3687b81
0x3687a9c
0x367ec3c
0x368eff6
0x36954a0
DriverCallback+0x4e waveOutOpen-0xa2e winmm+0x3af0 @ 0x74663af0
timeEndPeriod+0x54a timeKillEvent-0x57 winmm+0xa535 @ 0x7466a535
timeEndPeriod+0x449 timeKillEvent-0x158 winmm+0xa434 @ 0x7466a434
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x74e833ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x774a9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x774a9ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xeedfade
exception.offset: 46887
exception.address: 0x7588b727
registers.esp: 57075184
registers.edi: 0
registers.eax: 57075184
registers.ebp: 57075264
registers.edx: 0
registers.ebx: 57076988
registers.esi: 58568752
registers.ecx: 7
1 0 0
request GET http://onedrive.live.com/download?cid=4FE79169F14FE906&resid=4FE79169F14FE906%21197&authkey=AJx2lN6RUxuMay0
request GET http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 3032
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01e40000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 3032
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x730f2000
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 3032
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 151552
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x03671000
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

GetAdaptersAddresses

 flags: 15
family: 0
111 0
section {u'size_of_data': u'0x0003d000', u'virtual_address': u'0x00079000', u'entropy': 7.102832232599013, u'name': u'DATA', u'virtual_size': u'0x0003ce98'} entropy 7.1028322326 description A section with a high entropy has been found
entropy 0.302917442582 description Overall entropy of this PE file is high
Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
FireEye Generic.mg.14d2501921d7cf94
Cybereason malicious.bf99b8
BitDefenderTheta Gen:NN.ZelphiCO.36196.YG0@aasFMLki
Symantec Downloader
ESET-NOD32 Win32/TrojanDownloader.ModiLoader.C
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky VHO:Backdoor.Win32.Androm.gen
Avast Win32:Evo-gen [Trj]
F-Secure Heuristic.HEUR/AGEN.1331058
Sophos Generic ML PUA (PUA)
Avira HEUR/AGEN.1331058
ZoneAlarm VHO:Backdoor.Win32.Androm.gen
Google Detected
Cylance unsafe
Ikarus Trojan.Inject
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Formbook.AA!tr
AVG Win32:Evo-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_90% (D)