adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c

General

Target

adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe
Size

135KB
MD5

7d1a554624e69820d00bcc673735bd70
SHA1

aff1610da2a13d9a6b167198cfd1f180b1f2bb45
SHA256

adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c
SHA512

fb880b026efa34f880a8c3212244191bc41a03112301714465ea12104e84040d21a52d3fdbabe878635745b54c545cd1d4c2b69be94e03057ecfd62c93440674
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOK:YfU/WF6QMauSuiWNi9eNOl0007NZIOK

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe

Executes dropped EXE 1 IoCs

pid	Process
2256	wuauclt.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3160-0-0x0000000000DE0000-0x0000000000E08000-memory.dmp	upx
behavioral2/files/0x000700000002343d-4.dat	upx
behavioral2/memory/2256-5-0x00000000004F0000-0x0000000000518000-memory.dmp	upx
behavioral2/memory/3160-6-0x0000000000DE0000-0x0000000000E08000-memory.dmp	upx
behavioral2/memory/2256-7-0x00000000004F0000-0x0000000000518000-memory.dmp	upx
behavioral2/memory/3160-8-0x0000000000DE0000-0x0000000000E08000-memory.dmp	upx

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"	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.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
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 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	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.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 6 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 2256	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	84
PID 3160 wrote to memory of 2256	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	84
PID 3160 wrote to memory of 2256	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	84
PID 3160 wrote to memory of 4172	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	97
PID 3160 wrote to memory of 4172	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	97
PID 3160 wrote to memory of 4172	3160	adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe	97

C:\Users\Admin\AppData\Local\Temp\adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe
"C:\Users\Admin\AppData\Local\Temp\adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3160
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\adf05d81f677bd2aef57d33e63783b9bf56a4ed18c05bb50045f0c656bc72e2c.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
135KB

MD5
2d339b7d48a474639fe3c69a0971c56b

SHA1
9535d01e880bf044a624e69b0b988179fe369f89

SHA256
eb402c09b81ad43d52e57487d0ef7d86fff7fa22e1c887c61bcc01da3595cca4

SHA512
6aedfd28927c00ca7f39b086f8345e999233366ad943907454c91acd401ece5be8eb6c626733666e992dd7bfdabe20aebf400d1bde44f6969f05142373db2585

Download Submit
memory/2256-5-0x00000000004F0000-0x0000000000518000-memory.dmp

Filesize
160KB

Download
memory/2256-7-0x00000000004F0000-0x0000000000518000-memory.dmp

Filesize
160KB

Download
memory/3160-0-0x0000000000DE0000-0x0000000000E08000-memory.dmp

Filesize
160KB

Download
memory/3160-6-0x0000000000DE0000-0x0000000000E08000-memory.dmp

Filesize
160KB

Download
memory/3160-8-0x0000000000DE0000-0x0000000000E08000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads