8bfb7135402915778f3c6c3ee8d60abd9817e92a10cf51224a0950030d681a60

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 07:00

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General

Target

Uninstall.exe
Size

67KB
MD5

f1e980251115111807ec26229c699d3c
SHA1

bf706215b6a63109deb343363584780516fb91f8
SHA256

23547e9c1c73ee31654f2fffaee16eb3a8153130a8568675060305fbb228ce31
SHA512

494e0bdacc26ced583ef9ee5731b9e78da4bb28b4f1b513eb7cffceb4d6070b6fcce18667187137f11ef81babb7be68b8e83196c06da1d93609983e7937e1e4b
SSDEEP

1536:eHYMiClDhdyA5x5Z0Dvyec2gdLeAyN0J/+bWMo:2YjClDhQlDvrc2ceAd/+bDo

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2080	Uninstall.exe
2724	Un_A.exe
2724	Un_A.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral7/files/0x0005000000019623-2.dat	nsis_installer_1
behavioral7/files/0x0005000000019623-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2724	2080	Uninstall.exe	30
PID 2080 wrote to memory of 2724	2080	Uninstall.exe	30
PID 2080 wrote to memory of 2724	2080	Uninstall.exe	30
PID 2080 wrote to memory of 2724	2080	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nseEED3.tmp\System.dll

Filesize
11KB

MD5
b0c77267f13b2f87c084fd86ef51ccfc

SHA1
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3

SHA256
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77

SHA512
f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e

Download Submit
\Users\Admin\AppData\Local\Temp\nseEED3.tmp\nsDialogs.dll

Filesize
9KB

MD5
eac1c3707970fe7c71b2d760c34763fa

SHA1
f275e659ad7798994361f6ccb1481050aba30ff8

SHA256
062c75ad650548750564ffd7aef8cd553773b5c26cae7f25a5749b13165194e3

SHA512
3415bd555cf47407c0ae62be0dbcba7173d2b33a371bf083ce908fc901811adb888b7787d11eb9d99a1a739cbd9d1c66e565db6cd678bdadaf753fbda14ffd09

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
67KB

MD5
f1e980251115111807ec26229c699d3c

SHA1
bf706215b6a63109deb343363584780516fb91f8

SHA256
23547e9c1c73ee31654f2fffaee16eb3a8153130a8568675060305fbb228ce31

SHA512
494e0bdacc26ced583ef9ee5731b9e78da4bb28b4f1b513eb7cffceb4d6070b6fcce18667187137f11ef81babb7be68b8e83196c06da1d93609983e7937e1e4b

Download Submit