3dacbf49ecb37c75438c28e2762dbab36aba3e817bf7568767d2135f2800444b

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 06:30

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General

Target

Uninstall.exe
Size

59KB
MD5

973038639d770a979c786f86c71c2aa2
SHA1

45cd5858255d414606760666b9344d95c0c2ead2
SHA256

64326f62c4328392e52de8a675b2cbc0c7b10a7ba9cea03d829ed56f4b714e42
SHA512

2b3bf405249abd930be9bbaf4ee56bd24510fe98927e24a4b17192859984fd12e89941f60e7b108e2806282771cc4d2c6ab3bdec97409c78b62fbf6631c23928
SSDEEP

1536:2pgpHzb9dZVX9fHMvG0D3XJrgdLeAyN/QhV/l:cgXdZt9P6D3XJrceAXv/l

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3032	Au_.exe

Loads dropped DLL 5 IoCs

pid	Process
2392	Uninstall.exe
3032	Au_.exe
3032	Au_.exe
3032	Au_.exe
3032	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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral17/files/0x0006000000016d89-8.dat	nsis_installer_1
behavioral17/files/0x0006000000016d89-8.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	Uninstall.exe	30
PID 2392 wrote to memory of 3032	2392	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:2392
- 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:3032

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

C:\Users\Admin\AppData\Local\Temp\nsy8AC3.tmp\ioSpecial.ini

Filesize
601B

MD5
c78c8fc1592fbccd41b80e3ebd4b16a1

SHA1
251395baddbc9ad5fbe4ed5d64981d7c8c099001

SHA256
d62ef7137e7ca2e9f13d95475fbc41a386e5ac9fa4062000fd4e2036e8d130da

SHA512
44ab27edd8fe4cb671058f1e06abc6b9212f6c5721da2aa4a08d47ebb10c59e9f43abc74f31ccf86b701fc0c5eb8cee56379b4a3988e067257bbf114f0b27be9

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\Users\Admin\AppData\Local\Temp\nsy8AC3.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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

Filesize
59KB

MD5
973038639d770a979c786f86c71c2aa2

SHA1
45cd5858255d414606760666b9344d95c0c2ead2

SHA256
64326f62c4328392e52de8a675b2cbc0c7b10a7ba9cea03d829ed56f4b714e42

SHA512
2b3bf405249abd930be9bbaf4ee56bd24510fe98927e24a4b17192859984fd12e89941f60e7b108e2806282771cc4d2c6ab3bdec97409c78b62fbf6631c23928

Download Submit