ammyyadmin | 0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 04:17

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General

Target

0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
Size

995KB
MD5

8a273747f5becb6829049aded4cbedd1
SHA1

9ecf1ca671920f4bd33724671c758555272224eb
SHA256

0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f
SHA512

e53c581b5a7d8f9e8052363a71bfaa636f2919dfba00073bbd4008485f260bd4ac790d53d7caf4005625b68277286d33e95fbee2f8a3745708803c4fa6863e27
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxo:mJ5gEKNikf3hBfUiWxo

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b08-7.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe

Executes dropped EXE 1 IoCs

pid	Process
1700	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4264-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x000c000000023b08-7.dat	upx
behavioral2/memory/4264-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1700-20-0x0000000000400000-0x000000000040F000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 1700	4264	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	82
PID 4264 wrote to memory of 1700	4264	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	82
PID 4264 wrote to memory of 1700	4264	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	82

C:\Users\Admin\AppData\Local\Temp\0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
"C:\Users\Admin\AppData\Local\Temp\0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- 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:1700

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
995KB

MD5
6312accc741c7043f50b935e272f9cfc

SHA1
30b75c0765070f127aaaca4eefa5634d37d2b923

SHA256
3f8995a1807c6b805a094fcbeded00a4678a0eb5183aa57e766e1a9e810877ea

SHA512
3b24679721f5eb3c2972e9cee0703085112d449f400d974dc4dc69c29ba8f339b1b36af814cb6eace1d62028ab0e308e299fac7dda23b63f15b2b86eff928764

Download Submit
memory/1700-13-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download
memory/1700-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4264-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4264-1-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/4264-3-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/4264-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download