9d3e6e991d103ced202ec1884a14e9eaf7f3fe0be9c7370bec036c9745ec106b

Analysis

max time kernel
136s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 14:06

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General

Target
Uninstall.exe
Size 57KB
Sample240819-reffjaybjf
SHA256 e83f23d854def102dab373ffdd248e2c2ce15f9afd22dc4e3229c4f45d1abb27
MD5 767ef316a0fb37dddd09d1164c2fc3f6
SHA1 6c42e904bcafefc1f30db2a0ab244a8f50305b30
SHA512 692c74dfedccbf8217786bddbc54afe3354fac6409370f3a31306d3fa5b25deabb9cc9e68c7b4bff0a28fd61524a441c7b668f178d463f45819c29aedd9e67ac
SSDEEP 1536:9e0DnjRrJav2FnUIRr2vMYBJhqAELVigveH0+v/5QV:fD11a8YBJQAI0lwV
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
436	A~NSISu_.exe

Loads dropped DLL 1 IoCs

pid	Process
436	A~NSISu_.exe

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	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral12/files/0x000a0000000233d8-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 436	3424	Uninstall.exe	84
PID 3424 wrote to memory of 436	3424	Uninstall.exe	84
PID 3424 wrote to memory of 436	3424	Uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

A~NSISu_.exe

Path C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
Size 57KB
SHA256 e83f23d854def102dab373ffdd248e2c2ce15f9afd22dc4e3229c4f45d1abb27
MD5 767ef316a0fb37dddd09d1164c2fc3f6
SHA1 6c42e904bcafefc1f30db2a0ab244a8f50305b30
SHA512 692c74dfedccbf8217786bddbc54afe3354fac6409370f3a31306d3fa5b25deabb9cc9e68c7b4bff0a28fd61524a441c7b668f178d463f45819c29aedd9e67ac
SSDEEP 1536:9e0DnjRrJav2FnUIRr2vMYBJhqAELVigveH0+v/5QV:fD11a8YBJQAI0lwV
MD5 SHA1 SHA512 SSDEEP

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InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nse8389.tmp\InstallOptions.dll
Size 12KB
SHA256 75e20f4c5eb00e9e5cb610273023e9d2c36392fa3b664c264b736c7cc2d1ac84
MD5 4c7d97d0786ff08b20d0e8315b5fc3cb
SHA1 bb6f475e867b2bf55e4cd214bd4ef68e26d70f6c
SHA512 f37093fd5cdda74d8f7376c60a05b442f884e9d370347c7c39d84eca88f23fbea6221da2e57197acd78c817a74703c49fb28b89d41c3e34817cc9301b0b6485a
SSDEEP 192:6KdqJ4Bhf1mdCMI26t510swClJOeFIsm7F1QuPs:6KdE4zAddwR0swqOeFxu
MD5 SHA1 SHA512 SSDEEP

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nse8389.tmp\ioSpecial.ini
Size 577B
SHA256 84e7260c6cdc7d69b24c582764d2c6e0815bf3760f4c39c6bf43c9a001ce0eb6
MD5 2458ff05f54031eb906471687b619e19
SHA1 e6c771c65ec2c6841333a90badd99fab77716256
SHA512 840484a0fa288578a09f778187bf5d95b0ba3917dd0542cb8e1b85de80108c61e9d162ae37a007985a6969d6328798236ed39938494ad61200a3fdeca7dc4873
MD5 SHA1 SHA512

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads