53582b607f29afc762b73cb4c17db0f8fc2c127cc5bcd740fd39872daa902f2e

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-01-2024 11:16

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General

Target

5b190e8c3c0c6c4538c966bb67ad26fe.exe
Size

56KB
MD5

5b190e8c3c0c6c4538c966bb67ad26fe
SHA1

005adf4ef033a55166fe9794597e26d5796462d6
SHA256

53582b607f29afc762b73cb4c17db0f8fc2c127cc5bcd740fd39872daa902f2e
SHA512

a264fcb451a5d30647eb84264d177514788d5c455172bea570de9dabb94d954e714aca80caa15f323223ff8efb490649ea3e70d05529579aff74a8b8a2cae97f
SSDEEP

768:ys2J4uBAJfqFCs8axiEFaGKIT2+1VTvS/t9YBB/UqPYlArdGpm8MGmTRikY/eZsF:8JAsiaKICETIYQO5UpEGGuAEOB

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2736	123456789.exe

Loads dropped DLL 2 IoCs

pid	Process
2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe
2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2844-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x00070000000122c9-3.dat	upx
behavioral1/memory/2736-12-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2844-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\123456789 = "C:\\Users\\Admin\\AppData\\Local\\123456789.exe"	5b190e8c3c0c6c4538c966bb67ad26fe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\123456789 = "C:\\Users\\Admin\\AppData\\Local\\123456789.exe"	5b190e8c3c0c6c4538c966bb67ad26fe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\RunServices\123456789 = "C:\\Users\\Admin\\AppData\\Local\\123456789.exe"	5b190e8c3c0c6c4538c966bb67ad26fe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce\123456789 = "C:\\Users\\Admin\\AppData\\Local\\123456789.exe"	5b190e8c3c0c6c4538c966bb67ad26fe.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2736	2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe	28
PID 2844 wrote to memory of 2736	2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe	28
PID 2844 wrote to memory of 2736	2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe	28
PID 2844 wrote to memory of 2736	2844	5b190e8c3c0c6c4538c966bb67ad26fe.exe	28

C:\Users\Admin\AppData\Local\Temp\5b190e8c3c0c6c4538c966bb67ad26fe.exe
"C:\Users\Admin\AppData\Local\Temp\5b190e8c3c0c6c4538c966bb67ad26fe.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\123456789.exe
  "C:\Users\Admin\AppData\Local\123456789.exe"
  2⤵
  - Executes dropped EXE
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\123456789.exe

Filesize
56KB

MD5
5b190e8c3c0c6c4538c966bb67ad26fe

SHA1
005adf4ef033a55166fe9794597e26d5796462d6

SHA256
53582b607f29afc762b73cb4c17db0f8fc2c127cc5bcd740fd39872daa902f2e

SHA512
a264fcb451a5d30647eb84264d177514788d5c455172bea570de9dabb94d954e714aca80caa15f323223ff8efb490649ea3e70d05529579aff74a8b8a2cae97f

Download Submit
memory/2736-12-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2844-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2844-10-0x0000000001DA0000-0x0000000001DCD000-memory.dmp

Filesize
180KB

Download
memory/2844-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download