ammyyadmin | 0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff

Analysis

max time kernel
117s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 00:39

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General

Target

0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
Size

994KB
MD5

710a3728297c33caae605076a3182c46
SHA1

e44ca905bd42e355f93fbadbb2af01e046486a3a
SHA256

0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff
SHA512

539b846be965acdb67bc0bcfb882d7d5b77d79e2bd982cf09d8ed079505f7166222cc08b1a9d90042a54fd2e49cf2e1edf615c8933a6c78afa5af36a35ed5ad6
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxe:7J5gEKNikf3hBfUiWxe

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/0x000c000000023b84-7.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe

Executes dropped EXE 1 IoCs

pid	Process
3860	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/632-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000c000000023b84-7.dat	upx
behavioral2/memory/632-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3860-20-0x0000000000400000-0x0000000000410000-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	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3860	632	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	83
PID 632 wrote to memory of 3860	632	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	83
PID 632 wrote to memory of 3860	632	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	83

C:\Users\Admin\AppData\Local\Temp\0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
"C:\Users\Admin\AppData\Local\Temp\0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- 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:3860

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
995KB

MD5
17fd6eb5475bac14a5195fea7baa1a5a

SHA1
0a72b715ae91a799a6492268626d404961bc33d7

SHA256
2eb54d5c454f5f266d5f9751bcd73ead9b455ea52ceca15657d51dd3ca08b561

SHA512
19880c0a0607534f75ff2f9204636eb87cddd84d58e398edb1b62e7c3b98edebc526267760ba4d940e41347499bac647fe0002ad30c7223ef65d34c5e9602ece

Download Submit
memory/632-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/632-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/632-3-0x00000000026E0000-0x0000000002AE0000-memory.dmp

Filesize
4.0MB

Download
memory/632-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3860-12-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/3860-13-0x0000000002660000-0x0000000002A60000-memory.dmp

Filesize
4.0MB

Download
memory/3860-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download