a44d29710cf94f49da82282f10d3e82d1b86dc286a0daece360ecbce1d96597e

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 10:14

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General

Target

6672e608add073a01c06a3ae932c1473.exe
Size

2.4MB
MD5

6672e608add073a01c06a3ae932c1473
SHA1

d53931702fde7fe5a276be2143d662a95b33f090
SHA256

a44d29710cf94f49da82282f10d3e82d1b86dc286a0daece360ecbce1d96597e
SHA512

231befac6ca8c809374f76fc88e4637a2bf0ba8723da45fdce32c8f77c5eaca4f7948cbab92bd96e30f87fd0eae414c7e551d9c614141bbb5f16993665d606d7
SSDEEP

49152:Alo+zOHB1tDhkdOcIwuxz0xZPan6avt36IVG74Tl2yZJY+doCd6tf+9H+eOqrmCm:ApzOhjLnu3avfK4hzZJHbwtf+9H+Srmb

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1908	IFinst27.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3500-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/files/0x000400000001e716-3.dat	upx
behavioral2/memory/3500-4-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/1908-6-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	6672e608add073a01c06a3ae932c1473.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 1908	3500	6672e608add073a01c06a3ae932c1473.exe	89
PID 3500 wrote to memory of 1908	3500	6672e608add073a01c06a3ae932c1473.exe	89
PID 3500 wrote to memory of 1908	3500	6672e608add073a01c06a3ae932c1473.exe	89

C:\Users\Admin\AppData\Local\Temp\6672e608add073a01c06a3ae932c1473.exe
"C:\Users\Admin\AppData\Local\Temp\6672e608add073a01c06a3ae932c1473.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\IFinst27.exe
  "C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\6672e608add073a01c06a3ae932c1473.exe
  2⤵
  - Executes dropped EXE
  PID:1908

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

C:\Windows\IFinst27.exe

Filesize
64KB

MD5
9c17bca3ef837bacded7e4299508e71d

SHA1
253c7e956ad6cb66e0e47e5d9a6a19d78e9c96e0

SHA256
2405e5479aeb7d43d1362969b9c439e5931b8f900f9adfe0faaa986365415193

SHA512
12c1c5dbdf763d6d361b9d412794b0d85b6134843114120b843f30db198a3a211e2c06eadd3ed25271b4cd06a7367df7dafc6b9b33b1bce479f3ad050caeb625

Download Submit
memory/1908-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3500-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3500-4-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download