e24a3307428f2820fc76df3001530ab3b6ce82265362cc2dd262e2223f784d33

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 12:53

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General

Target

1ffd9707c8803544253fac5b7b37801b.exe
Size

1.7MB
MD5

1ffd9707c8803544253fac5b7b37801b
SHA1

65828b5b093d994ce032cc84e68cb45ba627d8ec
SHA256

e24a3307428f2820fc76df3001530ab3b6ce82265362cc2dd262e2223f784d33
SHA512

ac7a4d6efba596ab1e5923c4f9d5b54d4f50398203a713c4f352f1e28ff50e95080245395ecb534fafab7652442ddd16e9ad157f473226e302b67c93262c21ed
SSDEEP

49152:AloXUQE1MqF/g7ZJK7Zzgj3vlfqATmEFf+S:AEw1Eog5fBTmE4S

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1048	IFinst27.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2032-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2032-3-0x0000000000430000-0x000000000045B000-memory.dmp	upx
behavioral1/files/0x000c000000012243-6.dat	upx
behavioral1/memory/1048-10-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2032-7-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/1048-11-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	1ffd9707c8803544253fac5b7b37801b.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 2032 wrote to memory of 1048	2032	1ffd9707c8803544253fac5b7b37801b.exe	28
PID 2032 wrote to memory of 1048	2032	1ffd9707c8803544253fac5b7b37801b.exe	28
PID 2032 wrote to memory of 1048	2032	1ffd9707c8803544253fac5b7b37801b.exe	28
PID 2032 wrote to memory of 1048	2032	1ffd9707c8803544253fac5b7b37801b.exe	28

C:\Users\Admin\AppData\Local\Temp\1ffd9707c8803544253fac5b7b37801b.exe
"C:\Users\Admin\AppData\Local\Temp\1ffd9707c8803544253fac5b7b37801b.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\IFinst27.exe
  "C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\1ffd9707c8803544253fac5b7b37801b.exe
  2⤵
  - Executes dropped EXE
  PID:1048

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/1048-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1048-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2032-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2032-3-0x0000000000430000-0x000000000045B000-memory.dmp

Filesize
172KB

Download
memory/2032-9-0x0000000000430000-0x000000000045B000-memory.dmp

Filesize
172KB

Download
memory/2032-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download