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qlmfckzvtoso.exe

Malicious Library UPX OS Processor Check PE32 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 July 7, 2023, 7:31 a.m. July 7, 2023, 7:35 a.m.
Size 614.0KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 107c04590864856c6d7c4fbc9f9a3da9
SHA256 759edeee6e9ca27b5945680ba5ed35e3b8fc64542ab6ea52527480de4d5e7ba8
CRC32 7F86B21B
ssdeep 12288:GhG0jFMyLIYEKP/DN4yR2nFcXgHbqtVvAE:OGuG3KP/DunFYC8IE
Yara
  • UPX_Zero - UPX packed file
  • OS_Processor_Check_Zero - OS Processor Check
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)

Name Response Post-Analysis Lookup
t.me
A 149.154.167.99
149.154.167.99
steamcommunity.com
A 104.75.41.21
104.76.78.101
IP Address Status Action
104.75.41.21 Active Moloch
128.140.41.121 Active Moloch
149.154.167.99 Active Moloch
164.124.101.2 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.101:49164 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity
TCP 192.168.56.101:49162 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity
TCP 192.168.56.101:49164 -> 149.154.167.99:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.101:49162 -> 149.154.167.99:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.101:49167 -> 104.75.41.21:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.101:49164 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity
TCP 192.168.56.101:49162 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity
TCP 149.154.167.99:443 -> 192.168.56.101:49165 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.101:49168 -> 128.140.41.121:80 2027262 ET INFO Dotted Quad Host ZIP Request Potentially Bad Traffic
TCP 192.168.56.101:49164 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity
TCP 192.168.56.101:49162 -> 149.154.167.99:443 2041933 ET INFO Observed Telegram Domain (t .me in TLS SNI) Misc activity

Suricata TLS

Flow Issuer Subject Fingerprint
TLSv1
192.168.56.101:49167
104.75.41.21:443 		C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 Extended Validation Server CA unknown=US, unknown=Washington, unknown=Private Organization, serialNumber=602 290 773, C=US, ST=Washington, L=Bellevue, O=Valve Corp, CN=store.steampowered.com b1:30:5e:4c:ee:14:70:87:a7:d7:1c:77:07:b5:3c:2c:99:13:aa:c5

registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
RtlDeleteTimerQueueEx+0x5db RtlCutoverTimeToSystemTime-0xaf ntdll+0x74801 @ 0x76f84801
LdrVerifyImageMatchesChecksum+0x326 RtlComputePrivatizedDllName_U-0xf12 ntdll+0xa08f5 @ 0x76fb08f5
RtlDeleteTimerQueueEx+0x378 RtlCutoverTimeToSystemTime-0x312 ntdll+0x7459e @ 0x76f8459e
RtlDeleteTimerQueueEx+0x2bb RtlCutoverTimeToSystemTime-0x3cf ntdll+0x744e1 @ 0x76f844e1
RtlRunOnceComplete+0x3a4 LdrLoadDll-0xb1 ntdll+0x3c389 @ 0x76f4c389
RtlFlsAlloc+0x993 EtwNotificationRegister-0x13c ntdll+0x3f3f6 @ 0x76f4f3f6
RtlEncodeSystemPointer+0x33d RtlFindClearBits-0x454 ntdll+0x3e395 @ 0x76f4e395
RtlSetBits+0x115 RtlFlsAlloc-0x5e ntdll+0x3ea05 @ 0x76f4ea05
RtlSetBits+0x162 RtlFlsAlloc-0x11 ntdll+0x3ea52 @ 0x76f4ea52
RtlSetBits+0x5d RtlFlsAlloc-0x116 ntdll+0x3e94d @ 0x76f4e94d
RtlInitializeSid+0x35 RtlEncodePointer-0x3c ntdll+0x40f8f @ 0x76f50f8f
RtlSetBits+0xea RtlFlsAlloc-0x89 ntdll+0x3e9da @ 0x76f4e9da
RtlSetBits+0x162 RtlFlsAlloc-0x11 ntdll+0x3ea52 @ 0x76f4ea52
RtlSetBits+0x5d RtlFlsAlloc-0x116 ntdll+0x3e94d @ 0x76f4e94d
RtlInitializeSid+0x35 RtlEncodePointer-0x3c ntdll+0x40f8f @ 0x76f50f8f
RtlSetBits+0xea RtlFlsAlloc-0x89 ntdll+0x3e9da @ 0x76f4e9da
RtlSetBits+0x162 RtlFlsAlloc-0x11 ntdll+0x3ea52 @ 0x76f4ea52
RtlSetBits+0x5d RtlFlsAlloc-0x116 ntdll+0x3e94d @ 0x76f4e94d
RtlInitializeSid+0x35 RtlEncodePointer-0x3c ntdll+0x40f8f @ 0x76f50f8f
RtlSetBits+0xea RtlFlsAlloc-0x89 ntdll+0x3e9da @ 0x76f4e9da
RtlSetBits+0x162 RtlFlsAlloc-0x11 ntdll+0x3ea52 @ 0x76f4ea52
RtlSetBits+0x5d RtlFlsAlloc-0x116 ntdll+0x3e94d @ 0x76f4e94d
LdrResSearchResource+0x943 LdrResFindResourceDirectory-0x376 ntdll+0x3d69f @ 0x76f4d69f
LdrLoadDll+0x7b _strcmpi-0x304 ntdll+0x3c4b5 @ 0x76f4c4b5
New_ntdll_LdrLoadDll@16+0x7b New_ntdll_LdrUnloadDll@4-0xb7 @ 0x736ed4cf
LoadLibraryExW+0x178 LoadLibraryExA-0x2a kernelbase+0x11d2a @ 0x75981d2a
LoadLibraryExA+0x26 FreeLibrary-0x18 kernelbase+0x11d7a @ 0x75981d7a
LoadLibraryA+0x31 HeapCreate-0x25 kernel32+0x14a08 @ 0x755c4a08
Start+0x5f54 @ 0x10016bd4
Start+0x61b1 @ 0x10016e31
Start+0xc276 @ 0x1001cef6
Start-0x7db @ 0x100104a5
Start+0x50 @ 0x10010cd0
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: 8b 50 04 29 55 fc 8b 08 03 4d 08 57 56 83 c0 08
exception.symbol: RtlDeleteTimerQueueEx+0x644 RtlCutoverTimeToSystemTime-0x46 ntdll+0x7486a
exception.instruction: mov edx, dword ptr [eax + 4]
exception.module: ntdll.dll
exception.exception_code: 0xc0000006
exception.offset: 477290
exception.address: 0x76f8486a
registers.esp: 13124024
registers.edi: 4294967295
registers.eax: 259481600
registers.ebp: 13124048
registers.edx: 259481600
registers.ebx: 268435456
registers.esi: 4285136896
registers.ecx: 22624
1 0 0
suspicious_features Connection to IP address suspicious_request GET http://128.140.41.121/19c538606b75d27e13807e5f5b638b12
suspicious_features Connection to IP address suspicious_request GET http://128.140.41.121/archive.zip
request GET http://128.140.41.121/19c538606b75d27e13807e5f5b638b12
request GET http://128.140.41.121/archive.zip
request GET https://steamcommunity.com/profiles/76561199520592470
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2560
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00210000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2560
region_size: 995328
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x61e00000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
description qlmfckzvtoso.exe tried to sleep 175 seconds, actually delayed analysis time by 175 seconds
file C:\Users\test22\AppData\Local\Google\Chrome\User Data\Local State
file C:\ProgramData\vcruntime140.dll
file C:\ProgramData\msvcp140.dll
file C:\ProgramData\nss3.dll
file C:\ProgramData\freebl3.dll
file C:\ProgramData\mozglue.dll
file C:\ProgramData\softokn3.dll
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2560
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 253952
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x10001000
process_handle: 0xffffffff
1 0 0
host 128.140.41.121
process qlmfckzvtoso.exe useragent Mozilla/5.0 (Windows NT 10.0; x64 rv:107.0) Gecko / 20100101 Firefox / 107.0
process qlmfckzvtoso.exe useragent Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/111.0