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

Summary | ZeroBOX

kongaby2.1.exe

Formbook NSIS Malicious Library UPX PE File PE32

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Nov. 11, 2023, 4:18 p.m.	Nov. 11, 2023, 4:22 p.m.

Size	526.3KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5	`0289449a841d419c7fecc344ea10d16a`
SHA256	`2344d3c9c789a2d8256c9edd1720e2b3496dc4e6f3113f5bebc5b5dbdc8d4ccd`
CRC32	`88C15733`
ssdeep	`12288:hOwAYt/EiulzCiPuPXGzNpWlz1NE/A++0m:gwbt/EZzCiGXGzTyz0/A++f`
Yara	Malicious_Library_Zero - Malicious_Library IsPE32 - (no description) PE_Header_Zero - PE File Signature NSIS_Installer - Null Soft Installer UPX_Zero - UPX packed file

kongaby2.1.exe "C:\Users\test22\AppData\Local\Temp\kongaby2.1.exe"
316
- ucxchjcjd.exe "C:\Users\test22\AppData\Local\Temp\ucxchjcjd.exe"
  2136
  - ucxchjcjd.exe "C:\Users\test22\AppData\Local\Temp\ucxchjcjd.exe"
    2208

Name	Response	Post-Analysis Lookup
www.carat-automotive.com
www.waveoflife.pro	A 66.96.162.150	66.96.162.150
www.booptee.com
www.batcavela.com	CNAME 342284.parkingcrew.net A 13.248.148.254 A 76.223.26.96	13.248.148.254
www.lodsoab.com

IP Address	Status	Action
13.248.148.254	Active	Moloch
164.124.101.2	Active	Moloch
66.96.162.150	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.103:49167 -> 66.96.162.150:80	2031412	ET MALWARE FormBook CnC Checkin (GET)	Malware Command and Control Activity Detected
TCP 192.168.56.103:49166 -> 13.248.148.254:80	2031412	ET MALWARE FormBook CnC Checkin (GET)	Malware Command and Control Activity Detected

Suricata TLS

No Suricata TLS

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 Nov. 11, 2023, 4:18 p.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.ndata

HTTP traffic contains suspicious features which may be indicative of malware related traffic (2 events)

suspicious_features	GET method with no useragent header				suspicious_request	GET http://www.batcavela.com/ge06/?kHQD=Q330Nlrdd7wjbNOXaSC7JMUzln/+sA0fy8mpHysJLBlsNI2WRIrp3yqbQPXqvCDIbk6bxFbG&D81h=O2MHdPrXY
suspicious_features	GET method with no useragent header				suspicious_request	GET http://www.waveoflife.pro/ge06/?kHQD=MT2lmuLr4xW4Y36Na+kfxB+SBx3z6weHsbIXVLyeZmOnioiBuNRbSrEPi8rGHADI09fpEf4R&D81h=O2MHdPrXY

Performs some HTTP requests (2 events)

request	GET http://www.batcavela.com/ge06/?kHQD=Q330Nlrdd7wjbNOXaSC7JMUzln/+sA0fy8mpHysJLBlsNI2WRIrp3yqbQPXqvCDIbk6bxFbG&D81h=O2MHdPrXY
request	GET http://www.waveoflife.pro/ge06/?kHQD=MT2lmuLr4xW4Y36Na+kfxB+SBx3z6weHsbIXVLyeZmOnioiBuNRbSrEPi8rGHADI09fpEf4R&D81h=O2MHdPrXY

Allocates read-write-execute memory (usually to unpack itself) (3 events)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Nov. 11, 2023, 4:18 p.m.	process_identifier: 2136 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory Nov. 11, 2023, 4:18 p.m.	process_identifier: 2136 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00890000 allocation_type: 12289 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory Nov. 11, 2023, 4:18 p.m.	process_identifier: 2208 region_size: 3158016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009c0000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1	0	0

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\ucxchjcjd.exe

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

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Nov. 11, 2023, 4:18 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2136 called NtSetContextThread to modify thread in remote process 2208
NtSetContextThread Nov. 11, 2023, 4:18 p.m.	registers.eip: 2005598660 registers.esp: 1638384 registers.edi: 0 registers.eax: 4321504 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000000e8 process_identifier: 2208	1	0	0