ba06433033d955289c16e22468ce3ab721e7bbadb5a1562259df84ab1051d0e0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 12:57

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General

Target

Uninstall.exe
Size

64KB
MD5

f1a6609ff28882fdab03a5dcf12b6b20
SHA1

3bdd9290093cbae2c1a2a355c14fa991f6ca1aaf
SHA256

0e613e03520c6243070779377f6844b1fedb1ae7d575a30e81be0d1929bdd644
SHA512

e234df24132a59ea1c3c0ea534eaab50552a38737cbed8f0b7968a26cb3fcc66cd28f577641faeaeae8cc06216fa53e9847a8ebe5f1ff9342923d6909a2f308b
SSDEEP

1536:iCzsp2FUI4Jf17ltK1dVMrPOczXzI/OEH0sfM0/DikFZgfMgNXrG:iYsp2z4JpLaMrGcDzIGsfM0/8a

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3012	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2848	Uninstall.exe
3012	Au_.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	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3012	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 3012	2848	Uninstall.exe	30
PID 2848 wrote to memory of 3012	2848	Uninstall.exe	30
PID 2848 wrote to memory of 3012	2848	Uninstall.exe	30
PID 2848 wrote to memory of 3012	2848	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:2848
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3012

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\nst5765.tmp\LangDLL.dll

Filesize
4KB

MD5
9bbf0b6948ae83d0d322b6ab56e2ee9b

SHA1
b4c97bb3f403ec5f2c3773f21b452983a275d110

SHA256
8872c5b2372180371d535ca2a3e4c2a4b25791c6780e0d3836efa7568ede3109

SHA512
33f474257dddcd21835136422b59eecabb13fd77defdeae1520c4407a745948becfb45fc4dbecd1f674c120086fc5127106b5bbb211bb3a980c1c6a82fd3d638

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

Filesize
64KB

MD5
f1a6609ff28882fdab03a5dcf12b6b20

SHA1
3bdd9290093cbae2c1a2a355c14fa991f6ca1aaf

SHA256
0e613e03520c6243070779377f6844b1fedb1ae7d575a30e81be0d1929bdd644

SHA512
e234df24132a59ea1c3c0ea534eaab50552a38737cbed8f0b7968a26cb3fcc66cd28f577641faeaeae8cc06216fa53e9847a8ebe5f1ff9342923d6909a2f308b

Download Submit