ammyyadmin | 2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760d

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 18:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe
Size

994KB
MD5

622f608a0b8fc465dbc769dc55e8fff0
SHA1

f4d839a7b5d62727de46d8ac223cc8d25383c6db
SHA256

2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760d
SHA512

45bd727340c717667639a03972c72f8b07e28d36091f18ab909b74da7fb0172c49a0d8e949a50f735b3d466745ce0ab8e08cf12b5a07e613c3502d6f4ffab79a
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxy:mJ5gEKNikf3hBfUiWxy

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/0x0008000000023477-7.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/388-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023477-7.dat	upx
behavioral2/memory/388-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2388-23-0x0000000000400000-0x000000000040F000-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	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2388	388	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	82
PID 388 wrote to memory of 2388	388	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	82
PID 388 wrote to memory of 2388	388	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	82

C:\Users\Admin\AppData\Local\Temp\2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe
"C:\Users\Admin\AppData\Local\Temp\2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:388
- 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:2388

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

Loading Replay Monitor...

Downloads

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

Filesize
995KB

MD5
8b02dc530a9accf5c1291d32f0c4e9b7

SHA1
1544b1dc1071e30d549e44e63a6d505be8ba2f02

SHA256
5185c91eb4a002362a08e6b097b2c31a4849381bed4673b2172b2ab369a8eac0

SHA512
119721b54964610803ff01279fd5e6d664dffe36a5c4d480faaab820a2b19a4a612b877ff5fd09407ae176d22e40b7f9f8e5c20fcbd184bf0834ece2f32b640a

Download Submit
memory/388-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/388-1-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/388-3-0x0000000002730000-0x0000000002B30000-memory.dmp

Filesize
4.0MB

Download
memory/388-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2388-13-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/2388-14-0x0000000002790000-0x0000000002B90000-memory.dmp

Filesize
4.0MB

Download
memory/2388-23-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download