e17090b97c23258aca31ba8d6688c7ab09867863b89e37c36229d7bf82b6964b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 03:16

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General

Target

026885c21819b5b273342e6d7d027fbe.exe
Size

1.0MB
MD5

026885c21819b5b273342e6d7d027fbe
SHA1

35c2ea249320513cf3b936ec3c35d3abf0b71e6b
SHA256

e17090b97c23258aca31ba8d6688c7ab09867863b89e37c36229d7bf82b6964b
SHA512

75ab234e12c6aa4888a06f6a8687334d1f5011f7dd17b01b9cb3d6716fcd6ebaedfeadda72ee31f353fe1fde537b916a0731dea42250c01cda687a2b1a641eca
SSDEEP

24576:APNoNjFsX+hmKfZpeXG4S1ZOT/h6VE2m+UeNIGPnyCY01cnwQv2M:AlofsXYmKfbUHyZg/mrllZ6q1Evt

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1888	IFinst27.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1888-9-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/1880-7-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/files/0x000800000000b529-5.dat	upx
behavioral1/files/0x000800000000b529-6.dat	upx
behavioral1/memory/1880-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/1888-10-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	026885c21819b5b273342e6d7d027fbe.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1888	1880	026885c21819b5b273342e6d7d027fbe.exe	14
PID 1880 wrote to memory of 1888	1880	026885c21819b5b273342e6d7d027fbe.exe	14
PID 1880 wrote to memory of 1888	1880	026885c21819b5b273342e6d7d027fbe.exe	14
PID 1880 wrote to memory of 1888	1880	026885c21819b5b273342e6d7d027fbe.exe	14

C:\Windows\IFinst27.exe
"C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\026885c21819b5b273342e6d7d027fbe.exe
1⤵
- Executes dropped EXE
PID:1888

C:\Users\Admin\AppData\Local\Temp\026885c21819b5b273342e6d7d027fbe.exe
"C:\Users\Admin\AppData\Local\Temp\026885c21819b5b273342e6d7d027fbe.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1880

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

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Downloads

C:\Windows\IFinst27.exe

Filesize
64KB

MD5
9c17bca3ef837bacded7e4299508e71d

SHA1
253c7e956ad6cb66e0e47e5d9a6a19d78e9c96e0

SHA256
2405e5479aeb7d43d1362969b9c439e5931b8f900f9adfe0faaa986365415193

SHA512
12c1c5dbdf763d6d361b9d412794b0d85b6134843114120b843f30db198a3a211e2c06eadd3ed25271b4cd06a7367df7dafc6b9b33b1bce479f3ad050caeb625

Download Submit
memory/1880-8-0x0000000000220000-0x000000000024B000-memory.dmp

Filesize
172KB

Download
memory/1880-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1880-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1888-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1888-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download