d31a3e952d7ef906b630f2dedc8777ecc89e96c293c643e049bc3261b7d294aa

Analysis

max time kernel
142s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 04:28

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General

Target

HLLYP_Setup.exe
Size

4.0MB
MD5

b25a6deaa293d2f5e64924065a5468f4
SHA1

ff4dabc435e09076e23032203973b800bec8043d
SHA256

832f561cc0abd86316c4aa3440a24ef09901d8754d02674e0502269084fcc193
SHA512

f51a758d6ab6af8ea75992c1e3e4951056290cccc6a6a5b99b039574baf3c51b2449b78d347a4640ad448649cd3b584a16825b5d877379a6ab7c4c5451e04911
SSDEEP

98304:wZd3dutXJFayKy07VVs4pn/7sY2Tu0xsEzK3Hy:wT3wRayUiuwsw

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2180	irsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
2356	HLLYP_Setup.exe
2180	irsetup.exe
2180	irsetup.exe
2180	irsetup.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000900000001225c-1.dat	upx
behavioral1/memory/2180-6-0x0000000000400000-0x0000000000527000-memory.dmp	upx
behavioral1/memory/2180-23-0x0000000000400000-0x0000000000527000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ºêÀÖÂ¼ÒôÅï Setup Log.txt	irsetup.exe
File opened for modification	C:\Windows\ºêÀÖÂ¼ÒôÅï Setup Log.txt	irsetup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2180	irsetup.exe
2180	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28
PID 2356 wrote to memory of 2180	2356	HLLYP_Setup.exe	28

C:\Users\Admin\AppData\Local\Temp\HLLYP_Setup.exe
"C:\Users\Admin\AppData\Local\Temp\HLLYP_Setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe
  __IRAOFF:520716 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\HLLYP_Setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
memory/2180-6-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/2180-11-0x0000000000530000-0x0000000000657000-memory.dmp

Filesize
1.2MB

Download
memory/2180-12-0x0000000000530000-0x0000000000657000-memory.dmp

Filesize
1.2MB

Download
memory/2180-23-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/2180-25-0x0000000000530000-0x0000000000657000-memory.dmp

Filesize
1.2MB

Download
memory/2180-26-0x0000000000530000-0x0000000000657000-memory.dmp

Filesize
1.2MB

Download
memory/2356-4-0x0000000002380000-0x00000000024A7000-memory.dmp

Filesize
1.2MB

Download