763060247e08ba76835b2b4940236415b53f1f3d35784e0bd72b10f0213c67e0

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 06:26

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General

Target

uninstall.exe
Size

48KB
MD5

ce4a03dac18d35bad606ca0c15d2a3ba
SHA1

8dcd1a4fb86c975ad6264ab5ae6efcf876c89ded
SHA256

6936feb92f2b528c101f8ee25a18e7b39d15a6ba132c7e278c4dffa553a3c092
SHA512

cef3bf2b5068cf1d2cdd0b1e98f13b99fd0fa4fc189157fbf5438a9d753a2a882546231c9835a58c3744065c566a0b0e0f0cc3775652c834900acbab7052e10e
SSDEEP

1536:spgpHzb9dZVX9fHMvG0D3XJ5gdLeAyNxImT:6gXdZt9P6D3XJ5ceAvmT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2132	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	uninstall.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral15/files/0x00340000000149e1-2.dat	nsis_installer_1
behavioral15/files/0x00340000000149e1-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2132	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2132	2028	uninstall.exe	28
PID 2028 wrote to memory of 2132	2028	uninstall.exe	28
PID 2028 wrote to memory of 2132	2028	uninstall.exe	28
PID 2028 wrote to memory of 2132	2028	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2132

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

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
48KB

MD5
ce4a03dac18d35bad606ca0c15d2a3ba

SHA1
8dcd1a4fb86c975ad6264ab5ae6efcf876c89ded

SHA256
6936feb92f2b528c101f8ee25a18e7b39d15a6ba132c7e278c4dffa553a3c092

SHA512
cef3bf2b5068cf1d2cdd0b1e98f13b99fd0fa4fc189157fbf5438a9d753a2a882546231c9835a58c3744065c566a0b0e0f0cc3775652c834900acbab7052e10e

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