ammyyadmin | 03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 19:10

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General

Target

03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe
Size

990KB
MD5

d487aab9ec15cdc251708f7456debf90
SHA1

fb14fe66d2dee9f82781816a6b93b7e7d3db190f
SHA256

03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489
SHA512

19868456b0b8b0f43273943437ff6393334e0163cd5c4912dcc2e12f58c083e5c6bed6c39957031a44596a6d18709d1b97ab87054657ab0e44119728f717dab1
SSDEEP

24576:eMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxcd:bJ5gEKNikf3hBfUiWxcd

Score

10^/10

ammyyadmin discovery rat

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023cc7-7.dat	family_ammyyadmin

Ammyyadmin 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe

Executes dropped EXE 1 IoCs

pid	Process
1848	budha.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1848	4920	03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe	86
PID 4920 wrote to memory of 1848	4920	03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe	86
PID 4920 wrote to memory of 1848	4920	03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe	86

C:\Users\Admin\AppData\Local\Temp\03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe
"C:\Users\Admin\AppData\Local\Temp\03072c0a735a363e0c5695e904fa74e861aeb1f0665c60dfcb4a26e926d33489.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:1848

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
990KB

MD5
9363d6f5124bf2af8e0b4cb77f1a156a

SHA1
6b4890d477d6114d8bcc0d14977260f19eb853fe

SHA256
a8a5c562577b37cfc29ce8b127f639dde9650e4b51464fe2fcfe2699354e640a

SHA512
dfc30ecb563e567d866b82bbbfe54681a91516bd2729ba55d34af01278e61efc697ce44a084a851973891d52c5e9e831b0fdfcc46c8db2b5ed78e02b383ff806

Download Submit
memory/1848-12-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/1848-13-0x00000000025A0000-0x00000000029A0000-memory.dmp

Filesize
4.0MB

Download
memory/1848-20-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4920-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4920-1-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/4920-3-0x00000000026E0000-0x0000000002AE0000-memory.dmp

Filesize
4.0MB

Download
memory/4920-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download