02e7591cb9be1ef8a5cefb29d497eff25034ba3fbd18afd7f7aecb194f3df577

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
13-08-2024 23:02

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General

Target

8a07e1ba700ac0f7e389bfa482131ca0N.exe
Size

94KB
MD5

8a07e1ba700ac0f7e389bfa482131ca0
SHA1

7791aaaed3ffb803216204efb9ecea63cf090083
SHA256

02e7591cb9be1ef8a5cefb29d497eff25034ba3fbd18afd7f7aecb194f3df577
SHA512

c296f5a96bfdadc74efe573e4315500d95e79280b1c50c99f9b162c4fbc0805361a922495477668d10b5fefdd72ea7cc1492e5f2f14cc8182bf923d05fa61f17
SSDEEP

1536:PGYU/W2/HG6QMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7ub:PfU/WF6QMauSuiWNi9CO+WARJrWNZE

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	8a07e1ba700ac0f7e389bfa482131ca0N.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

System Location Discovery: System Language Discovery 1 TTPs 3 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	8a07e1ba700ac0f7e389bfa482131ca0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2012	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	30
PID 2436 wrote to memory of 2012	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	30
PID 2436 wrote to memory of 2012	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	30
PID 2436 wrote to memory of 2012	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	30
PID 2436 wrote to memory of 2820	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	32
PID 2436 wrote to memory of 2820	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	32
PID 2436 wrote to memory of 2820	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	32
PID 2436 wrote to memory of 2820	2436	8a07e1ba700ac0f7e389bfa482131ca0N.exe	32

C:\Users\Admin\AppData\Local\Temp\8a07e1ba700ac0f7e389bfa482131ca0N.exe
"C:\Users\Admin\AppData\Local\Temp\8a07e1ba700ac0f7e389bfa482131ca0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2012
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\8a07e1ba700ac0f7e389bfa482131ca0N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

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

\ProgramData\Update\wuauclt.exe

Filesize
94KB

MD5
e5f177d8c0da8f736a5b7cfa775021d2

SHA1
4d5b631a94c50161d32e2e52dace0ea04bbe37a9

SHA256
756b39c7eb517f61206c532daf1fc3da82ef5ffe1d28d67a49b7c4a97e0910b4

SHA512
05ddaf80ffd9762c2e093b0d249ce04af674afefb45e1fd7c1510f1f0745214b61e78888c89ae2b0791c4038216e73d13d7982bdcf495256ab2c790f9814b89a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads