1e385183216df19a0faef80759e96e4617fcd01be3e9399cc226fad07771b736

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30-05-2023 12:39

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General

Target

Client-built.exe
Size

247KB
MD5

deb4b02c26f7e261ca702e5074085bd0
SHA1

ed4f05f5fc5655daf48171e2e29dd2789ef215bd
SHA256

1e385183216df19a0faef80759e96e4617fcd01be3e9399cc226fad07771b736
SHA512

4359c4c32b688260d012e5850e3d7eab3fab03b801fd2c0c84ab602128c015864b5d46a767471a99fbbde7ab695469cedee02b17611970a117461833b02fe4e6
SSDEEP

6144:QWw35DFVd3bWp7QxA4bV2MxoJbtJ1bCWd:sDjd3bWh6bquWd

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1rVoaR3XjZIMbYwUCsZwzA7Un18WZ0Rq1OVdntW2cpo= = "C:\\Users\\Admin\\AppData\\Roaming\\NRGrH6o9muRgVea6UPDgyQIS9mYNXF0qN5xR+fqx3Ng=\\uZ6cnerV9yKdhYZM7whgzjqJJvUJA9k7SwLs1lfrEF4="	Client-built.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 976	2032	Client-built.exe	28
PID 2032 wrote to memory of 976	2032	Client-built.exe	28
PID 2032 wrote to memory of 976	2032	Client-built.exe	28
PID 976 wrote to memory of 1996	976	rundll32.exe	29
PID 976 wrote to memory of 1996	976	rundll32.exe	29
PID 976 wrote to memory of 1996	976	rundll32.exe	29
PID 976 wrote to memory of 1996	976	rundll32.exe	29

C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\NRGrH6o9muRgVea6UPDgyQIS9mYNXF0qN5xR+fqx3Ng=\uZ6cnerV9yKdhYZM7whgzjqJJvUJA9k7SwLs1lfrEF4=
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\NRGrH6o9muRgVea6UPDgyQIS9mYNXF0qN5xR+fqx3Ng=\uZ6cnerV9yKdhYZM7whgzjqJJvUJA9k7SwLs1lfrEF4="
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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

C:\Users\Admin\AppData\Roaming\NRGrH6o9muRgVea6UPDgyQIS9mYNXF0qN5xR+fqx3Ng=\uZ6cnerV9yKdhYZM7whgzjqJJvUJA9k7SwLs1lfrEF4=

Filesize
247KB

MD5
deb4b02c26f7e261ca702e5074085bd0

SHA1
ed4f05f5fc5655daf48171e2e29dd2789ef215bd

SHA256
1e385183216df19a0faef80759e96e4617fcd01be3e9399cc226fad07771b736

SHA512
4359c4c32b688260d012e5850e3d7eab3fab03b801fd2c0c84ab602128c015864b5d46a767471a99fbbde7ab695469cedee02b17611970a117461833b02fe4e6

Download Submit
memory/2032-54-0x0000000000B30000-0x0000000000B74000-memory.dmp

Filesize
272KB

Download
memory/2032-55-0x00000000005C0000-0x0000000000640000-memory.dmp

Filesize
512KB

Download