48eda05ebc3353d6a9386a9796a76c42395caa2ab9894936ee59484b17369fbf

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 05:15

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General

Target
uninstall.exe
Size 47KB
Sample240715-fxzrcaserc
SHA256 6b9ade2208612a17824b35c002ce0223ac31ced224e66f84f0781ab8be82e07b
MD5 ab6f301fbec8e875706f56bf91741aa8
SHA1 af06afad8830356895719e9fe59ca0cb34abaae9
SHA512 8066ab37adc3e1212440b9c8d55d5e2784ec94f401261169b77ee239a8d710bd0a2aa1d25a9297a066ca2fea04fe9dadb2272d4d65064d833509a2a9168c631a
SSDEEP 768:+bAqMPUUDYXQYFnh2A9uxICjmtIh4dGkqEhMFBiihdJSMgd2iZQAm6kRRS+NoJRl:CM8ZbFnEA9uPI2TdJSMgdLeAyNl5+
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1692	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1692	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2416	uninstall.exe
1692	Au_.exe
1692	Au_.exe
1692	Au_.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
behavioral9/files/0x00050000000186f3-2.dat	nsis_installer_1
behavioral9/files/0x00050000000186f3-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1692	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30
PID 2416 wrote to memory of 1692	2416	uninstall.exe	30

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:2416
- 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
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1692

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

Au_.exe

Path \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 47KB
SHA256 6b9ade2208612a17824b35c002ce0223ac31ced224e66f84f0781ab8be82e07b
MD5 ab6f301fbec8e875706f56bf91741aa8
SHA1 af06afad8830356895719e9fe59ca0cb34abaae9
SHA512 8066ab37adc3e1212440b9c8d55d5e2784ec94f401261169b77ee239a8d710bd0a2aa1d25a9297a066ca2fea04fe9dadb2272d4d65064d833509a2a9168c631a
SSDEEP 768:+bAqMPUUDYXQYFnh2A9uxICjmtIh4dGkqEhMFBiihdJSMgd2iZQAm6kRRS+NoJRl:CM8ZbFnEA9uPI2TdJSMgdLeAyNl5+
MD5 SHA1 SHA512 SSDEEP

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