72d4b07008ed26c4469d787adce6a36d3b0ea9a9d98b5ac05f3432dfd1b7b2f0

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 21:09

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General

Target

596bb54c1ec1cc033cb7e5679208cd81.exe
Size

2.5MB
MD5

596bb54c1ec1cc033cb7e5679208cd81
SHA1

0b089f6892a170e13af55310b173146b8d77a24c
SHA256

72d4b07008ed26c4469d787adce6a36d3b0ea9a9d98b5ac05f3432dfd1b7b2f0
SHA512

c4086636917a2505becedd8050001291f4bffa7438e6dc90bb0c8e2c032faa8c9b1ab642316307ef53124b717ffca70e70954c58f42f4bc20e6432411dc6da2d
SSDEEP

49152:AloodL0+C0sF/B1NYT1fZHSaK8Pa8uXlfr6m3VpZxDu6KtVXhg86K6L/zH:APdL0+3sFtEyaBPa8uXDpZx66QVXhLGD

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2224	IFinst27.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000012232-5.dat	upx
behavioral1/memory/2532-6-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2532-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2532-8-0x0000000001D80000-0x0000000001DAB000-memory.dmp	upx
behavioral1/memory/2224-9-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral1/memory/2224-10-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	596bb54c1ec1cc033cb7e5679208cd81.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 2532 wrote to memory of 2224	2532	596bb54c1ec1cc033cb7e5679208cd81.exe	28
PID 2532 wrote to memory of 2224	2532	596bb54c1ec1cc033cb7e5679208cd81.exe	28
PID 2532 wrote to memory of 2224	2532	596bb54c1ec1cc033cb7e5679208cd81.exe	28
PID 2532 wrote to memory of 2224	2532	596bb54c1ec1cc033cb7e5679208cd81.exe	28

C:\Users\Admin\AppData\Local\Temp\596bb54c1ec1cc033cb7e5679208cd81.exe
"C:\Users\Admin\AppData\Local\Temp\596bb54c1ec1cc033cb7e5679208cd81.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\IFinst27.exe
  "C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\596bb54c1ec1cc033cb7e5679208cd81.exe
  2⤵
  - Executes dropped EXE
  PID:2224

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/2224-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2224-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2532-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2532-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2532-8-0x0000000001D80000-0x0000000001DAB000-memory.dmp

Filesize
172KB

Download