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Guide 2020-06-10
Version history 2020-06-10

Summary | ZeroBOX

File.7z

KeyLogger PWS Escalate priviledges AntiDebug AntiVM

Category	Machine	Started	Completed
FILE	s1_win7_x6402	July 13, 2023, 11:31 a.m.	July 13, 2023, 11:34 a.m.

Size	5.8MB
Type	7-zip archive data, version 0.4
MD5	`a59d6f347f0e85b174d3618a09037237`
SHA256	`dc1c0e14d9ad1dd555e2dd635477168930a18d772ac2dd27629507e978fdefa7`
CRC32	`85477CEC`
ssdeep	`98304:Rs9VQemN7icYEMsGZg/wM+i5Wk1KNr3H432yqLKwhD8KVaTTnhgmxoBoLbgc3LR7:SVQe9XEMXM+k+Nrg2XhD8Tyk+dkbd`
Yara	None matched

cmd.exe "C:\Windows\System32\cmd.exe" /c start /wait "fvebNx" C:\Users\test22\AppData\Local\Temp\File.7z
3028
- 7zFM.exe "C:\Program Files (x86)\7-Zip\7zFM.exe" "C:\Users\test22\AppData\Local\Temp\File.7z"
  2216

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (1 event)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent July 13, 2023, 11:31 a.m.			0	0

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx July 13, 2023, 11:31 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory July 13, 2023, 11:31 a.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74002000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory July 13, 2023, 11:31 a.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x737e3000 process_handle: 0xffffffff	1	0	0

File has been identified by 8 AntiVirus engines on VirusTotal as malicious (8 events)

FireEye	Trojan.GenericKD.68063762
Arcabit	Trojan.Generic.D40E9212
BitDefender	Trojan.GenericKD.68063762
MicroWorld-eScan	Trojan.GenericKD.68063762
Emsisoft	Trojan.GenericKD.68063762 (B)
VIPRE	Trojan.GenericKD.68063762
GData	Trojan.GenericKD.68063762
MAX	malware (ai score=83)

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW July 13, 2023, 11:31 a.m.	system_name: privilege_name: SeRestorePrivilege	1	1	0

Yara rule detected in process memory (11 events)

description	Escalate priviledges				rule	Escalate_priviledges
description	PWS Memory				rule	Generic_PWS_Memory_Zero
description	(no description)				rule	DebuggerCheck__GlobalFlags
description	(no description)				rule	DebuggerCheck__QueryInfo
description	(no description)				rule	DebuggerHiding__Thread
description	(no description)				rule	DebuggerHiding__Active
description	(no description)				rule	ThreadControl__Context
description	(no description)				rule	SEH__vectored
description	Checks if being debugged				rule	anti_dbg
description	Bypass DEP				rule	disable_dep
description	Run a KeyLogger				rule	KeyLogger