ammyyadmin | c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 21:18

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General

Target

c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe
Size

975KB
MD5

6641121be4ec07e172daf0370f969f37
SHA1

4eaf19ac2053628d0a4c8e85086a05a56f6fff8f
SHA256

c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097
SHA512

3d425c22eda7e18280d21e1f7e17486d574aeffee8123ed2aa2fdd4814e901094b7f7a0c73abea89c11cc1ceef6b5f34e6bd8d108c67ce8e7edcf08f6c713ae7
SSDEEP

24576:eMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxf:bJ5gEKNikf3hBfUiWxf

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/0x000b000000023bb0-7.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe

Executes dropped EXE 1 IoCs

pid	Process
4552	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	c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 4552	4804	c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe	82
PID 4804 wrote to memory of 4552	4804	c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe	82
PID 4804 wrote to memory of 4552	4804	c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe	82

C:\Users\Admin\AppData\Local\Temp\c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe
"C:\Users\Admin\AppData\Local\Temp\c1cf96e5e6a7be560cf79746d90522928bacd828554978c9e8a09a28bd3b6097.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- 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:4552

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
975KB

MD5
a31c5289927c8587055e182838309c84

SHA1
dfafd4e8500625069ff94252dcaa3abbaa1b32fb

SHA256
6bbabef98078c861582cf5ea44a25e5761b81f07937df4c4473f974b718ce45c

SHA512
1a01ca454babf6967d1e9576961ce5f10ffd1074f46e29c7262963012c0d365e106e212503b40b5312404a538a33e316d8a9cba6bffb14380d2c87a5ed7768ab

Download Submit
memory/4552-14-0x0000000002600000-0x0000000002A00000-memory.dmp

Filesize
4.0MB

Download
memory/4552-13-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/4552-23-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4804-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4804-1-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/4804-3-0x0000000002730000-0x0000000002B30000-memory.dmp

Filesize
4.0MB

Download
memory/4804-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download