e596beef479a896b82b58baa338b0558c319998c4af098e0de4e9419e92179d0

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 02:43

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General

Target

4d8007cd53007fdfe8e365642040f611.exe
Size

1.9MB
MD5

4d8007cd53007fdfe8e365642040f611
SHA1

72530dafa0cf9382bfafefb3f258ac878966f174
SHA256

e596beef479a896b82b58baa338b0558c319998c4af098e0de4e9419e92179d0
SHA512

7bbdd42cbfd089c95bab252046774c104a0f9026d0a4b7f066afbc953d963f87e85afd9ce6412a4ed8f38f6a89850c7b52bafd50a3a429fc22586c5fb62b0ac4
SSDEEP

49152:AloXUQE1MqF/g7ZJK7Zzgj3vlfqATmEFf+RO1XVEwz:AEw1Eog5fBTmE4Q1XVhz

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1664	IFinst27.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2140-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2140-6-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/files/0x00090000000120e1-5.dat	upx
behavioral1/memory/1664-9-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/1664-10-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	4d8007cd53007fdfe8e365642040f611.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 2140 wrote to memory of 1664	2140	4d8007cd53007fdfe8e365642040f611.exe	28
PID 2140 wrote to memory of 1664	2140	4d8007cd53007fdfe8e365642040f611.exe	28
PID 2140 wrote to memory of 1664	2140	4d8007cd53007fdfe8e365642040f611.exe	28
PID 2140 wrote to memory of 1664	2140	4d8007cd53007fdfe8e365642040f611.exe	28

C:\Users\Admin\AppData\Local\Temp\4d8007cd53007fdfe8e365642040f611.exe
"C:\Users\Admin\AppData\Local\Temp\4d8007cd53007fdfe8e365642040f611.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\IFinst27.exe
  "C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\4d8007cd53007fdfe8e365642040f611.exe
  2⤵
  - Executes dropped EXE
  PID:1664

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/1664-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1664-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2140-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2140-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2140-8-0x0000000001C50000-0x0000000001C7B000-memory.dmp

Filesize
172KB

Download
memory/2140-11-0x0000000001C50000-0x0000000001C7B000-memory.dmp

Filesize
172KB

Download