e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3

Analysis

max time kernel
13s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05-04-2024 01:47

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General

Target

e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe
Size

11KB
MD5

1165838f57d634119f973bb54f406973
SHA1

115bb4625cd5f68c6462f6d5e8ab781c07a03af8
SHA256

e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3
SHA512

57de1734a48884f9a9da6926bc9ac7d343836272c71a8686b5f530bb4e1c52ae161fc18d80c537d443580e98a82aea0565a40304188b5065a6df350c74e0a57a
SSDEEP

192:HnjqMhixibiffPPcM/WjmlwBfSnzGfuUTzTQX:HREOyfPPXvw4abHTY

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/1328-0-0x00000000008B0000-0x00000000008BA000-memory.dmp	UPX
behavioral1/memory/1328-7-0x00000000008B0000-0x00000000008BA000-memory.dmp	UPX
behavioral1/memory/948-10-0x00000000001C0000-0x00000000001CA000-memory.dmp	UPX
behavioral1/files/0x0009000000015f01-8.dat	UPX

Executes dropped EXE 1 IoCs

pid	Process
948	hhcbrnaff.exe

Loads dropped DLL 1 IoCs

pid	Process
1328	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1328-0-0x00000000008B0000-0x00000000008BA000-memory.dmp	upx
behavioral1/memory/1328-7-0x00000000008B0000-0x00000000008BA000-memory.dmp	upx
behavioral1/memory/948-10-0x00000000001C0000-0x00000000001CA000-memory.dmp	upx
behavioral1/files/0x0009000000015f01-8.dat	upx

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 1328 wrote to memory of 948	1328	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	28
PID 1328 wrote to memory of 948	1328	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	28
PID 1328 wrote to memory of 948	1328	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	28
PID 1328 wrote to memory of 948	1328	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	28

C:\Users\Admin\AppData\Local\Temp\e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe
"C:\Users\Admin\AppData\Local\Temp\e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe
  "C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe"
  2⤵
  - Executes dropped EXE
  PID:948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe

Filesize
11KB

MD5
5cc5db51701bb2fb64a6308d3284fc48

SHA1
3e566582f4ee67fa87b1a3d0b253c4d05e311595

SHA256
58721ffb1814965476e4083197fb93999627aaeb2cef56c825ca6c84da16f4b0

SHA512
a1392a38488ba8f54c0d4ad93c4cf50bea9b9371d7d1b66ff61ad51cd52081dfb2ffdbf0e577e61617083bd4ba7db3b29d0a0b75dec57f54163d2eb490594fc5

Download Submit
memory/948-10-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/1328-0-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/1328-7-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/1328-9-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/1328-13-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download