b73ae712787dc47c57642934b0889424bebb057e59cc7e19471ef312f8b6179e

Analysis

max time kernel
102s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 12:12

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General

Target

7713ac9a4a3acf01ff8fd21b16704c10N.exe
Size

283KB
MD5

7713ac9a4a3acf01ff8fd21b16704c10
SHA1

9795403f00c56cfc54f9d1a323f17e60cd293b9c
SHA256

b73ae712787dc47c57642934b0889424bebb057e59cc7e19471ef312f8b6179e
SHA512

f8b061ebeb289c5a4c227625b58b4f50d14c7703763e1a988aebc4befe8b03c9fe698b485ac7541bc52412215b30cdffdcc6e6a1015dc7dae37369352f29c55e
SSDEEP

6144:7gHX5BGeyzxxWf26TUQ9NwWlIaLhjgWzDT2+Sb:7gHX58NxWPX9NwWqaVj6N

Score

7^/10

discovery 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	7713ac9a4a3acf01ff8fd21b16704c10N.exe

Executes dropped EXE 2 IoCs

pid	Process
3140	sidebar2.exe
1760	sidebar2.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2484-0-0x0000000000F40000-0x0000000000F87000-memory.dmp	upx
behavioral2/files/0x00070000000234f0-35.dat	upx
behavioral2/memory/3140-72-0x0000000000240000-0x0000000000287000-memory.dmp	upx
behavioral2/memory/2484-73-0x0000000000F40000-0x0000000000F87000-memory.dmp	upx
behavioral2/memory/1760-75-0x0000000000240000-0x0000000000287000-memory.dmp	upx
behavioral2/memory/1760-76-0x0000000000240000-0x0000000000287000-memory.dmp	upx
behavioral2/memory/3140-77-0x0000000000240000-0x0000000000287000-memory.dmp	upx

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	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sidebar2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sidebar2.exe

Modifies registry class 30 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\ = "Application"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\sidebar2.exe\" /START \"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\DefaultIcon	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\DefaultIcon\ = "%1"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\DefaultIcon	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\DefaultIcon\ = "%1"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\runas\command\ = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\ = "prochost"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\sidebar2.exe\" /START \"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\open\command\IsolatedCommand = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\Content-Type = "application/x-msdownload"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\open	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\runas\command\IsolatedCommand = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\open\command	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\open\command	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\runas\command	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\shell\runas	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\open	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\runas	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\.exe\shell\runas\command	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\prochost\Content-Type = "application/x-msdownload"	7713ac9a4a3acf01ff8fd21b16704c10N.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	7713ac9a4a3acf01ff8fd21b16704c10N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3140	sidebar2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 3140	2484	7713ac9a4a3acf01ff8fd21b16704c10N.exe	88
PID 2484 wrote to memory of 3140	2484	7713ac9a4a3acf01ff8fd21b16704c10N.exe	88
PID 2484 wrote to memory of 3140	2484	7713ac9a4a3acf01ff8fd21b16704c10N.exe	88
PID 3140 wrote to memory of 1760	3140	sidebar2.exe	89
PID 3140 wrote to memory of 1760	3140	sidebar2.exe	89
PID 3140 wrote to memory of 1760	3140	sidebar2.exe	89

C:\Users\Admin\AppData\Local\Temp\7713ac9a4a3acf01ff8fd21b16704c10N.exe
"C:\Users\Admin\AppData\Local\Temp\7713ac9a4a3acf01ff8fd21b16704c10N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\sidebar2.exe

Filesize
283KB

MD5
7aaf0cf5d5f9d3258d01e7418b0591da

SHA1
66bf850341e6c37b2d2896c7fcbdb6a0a6c5f81f

SHA256
a986ec579f0347f09eb5c2390c4104596f9ce4746e41906cef9d649cd1c4b49c

SHA512
b50d4e34862bce316eb1d51299c9d8e71d69d81612bf8e44d82b7b454d8d1b04b79339b5566806a7b0868841b8e4811afb912c0f9c8354b496fcb9776eb76353

Download Submit
memory/1760-75-0x0000000000240000-0x0000000000287000-memory.dmp

Filesize
284KB

Download
memory/1760-76-0x0000000000240000-0x0000000000287000-memory.dmp

Filesize
284KB

Download
memory/2484-0-0x0000000000F40000-0x0000000000F87000-memory.dmp

Filesize
284KB

Download
memory/2484-73-0x0000000000F40000-0x0000000000F87000-memory.dmp

Filesize
284KB

Download
memory/3140-72-0x0000000000240000-0x0000000000287000-memory.dmp

Filesize
284KB

Download
memory/3140-77-0x0000000000240000-0x0000000000287000-memory.dmp

Filesize
284KB

Download