ammyyadmin | 0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 19:05

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General

Target

0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe
Size

956KB
MD5

d49b31cd91256550188c0ca87687c5df
SHA1

b078501295db44a056332cd76796b4302161265a
SHA256

0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb
SHA512

65b134e9101b7131fd57347f3a612da1f3623e9b167e24f9843c7e8157b3a02fbab6ab7b0e1f947cbf04eaf20db1910957a6b3f9f905b3efba376f77224e4d39
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxn:mJ5gEKNikf3hBfUiWxn

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\budha.exe	family_ammyyadmin

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

Processes:

0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe

Executes dropped EXE 1 IoCs

Processes:

budha.exe

pid process

1432 budha.exe

pid	process
1432	budha.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1424-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\budha.exe	upx
behavioral2/memory/1424-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1432-15-0x0000000000400000-0x000000000040F000-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 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

Processes:

0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exebudha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe

description	pid	process	target process
PID 1424 wrote to memory of 1432	1424	0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe	budha.exe
PID 1424 wrote to memory of 1432	1424	0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe	budha.exe
PID 1424 wrote to memory of 1432	1424	0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe	budha.exe

C:\Users\Admin\AppData\Local\Temp\0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe
"C:\Users\Admin\AppData\Local\Temp\0455dd945bc7609133633b454cbe8fcfba92e8151a695c9feb69fd79d0e471eb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\budha.exe
"C:\Users\Admin\AppData\Local\Temp\budha.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1432

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\Local\Temp\budha.exe

Filesize
956KB

MD5
d1d0a62d0d1ec737629ca3611fb8adb2

SHA1
029ebb4b7ed6e576a21d92953fe78e902cdb4607

SHA256
f4a85b1b20289dc61789fde59475b6dcc02da0268b4dd8ec1004314123d5f664

SHA512
eb730233f72b28cad0d74f4ce2ac377d019582911813f62903936b63fa282feeb29f6c8493dacd8b360fe4b285d4b95544f194685c93a5c9ee1b0b21eed2fec2

Download Submit
memory/1424-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1424-1-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/1424-3-0x00000000027C0000-0x0000000002BC0000-memory.dmp

Filesize
4.0MB

Download
memory/1424-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1432-13-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/1432-14-0x0000000002610000-0x0000000002A10000-memory.dmp

Filesize
4.0MB

Download
memory/1432-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download