ammyyadmin | 93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8a

Analysis

max time kernel
119s
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
17-10-2024 05:02

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General

Target

93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe
Size

994KB
MD5

2d8430fa683b34a453e9b07affb6e380
SHA1

ccfcb5fd1fe0bc7d24298f51f83fa8a360609eba
SHA256

93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8a
SHA512

710c96bd76e14199e4628e3f5bd759873c30d106914567c3bf6f23812168cf0ec140cfd50e23aade9d3d0e6790a3b2f3f85e7de4175fac0c504bde9c827dd8ab
SSDEEP

24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxx:dJ5gEKNikf3hBfUiWxx

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/0x000c000000023b9a-7.dat	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	93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	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	budha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 1220	4712	93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe	84
PID 4712 wrote to memory of 1220	4712	93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe	84
PID 4712 wrote to memory of 1220	4712	93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe	84

C:\Users\Admin\AppData\Local\Temp\93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe
"C:\Users\Admin\AppData\Local\Temp\93b50ca44007e8e7c67b3f017302a72a47dd2fb77162e59486e29a72d4523c8aN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- 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:1220

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
994KB

MD5
d0598ef0c9c04c97f87cb8d27116bfe0

SHA1
31ff047b7934b96d6547b1ad242852a29dfb3d89

SHA256
f90023652cefff0c809352c07037daa838d9413f0696963be815520cc236e1a7

SHA512
8d73bf47183782963a387da083432a545d25aa3efd67b65b4cd828a7ba215d5d67d5f64352a8dd41ccb9d04270af1e36f9c3510a3c43df05c1727b2ec9c5dd10

Download Submit
memory/1220-13-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1220-14-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/1220-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4712-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4712-1-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/4712-3-0x0000000002700000-0x0000000002B00000-memory.dmp

Filesize
4.0MB

Download
memory/4712-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download