ammyyadmin | 86c868ac7491954a150fa2233079171d94cad030f0c2739c16cc17de9fa44eda

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 07:35

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General

Target

ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe
Size

994KB
MD5

ddf779787b9403c02345a5d73552aaf4
SHA1

ba16f883b9d48c4aab322147a01f36fbd711edca
SHA256

86c868ac7491954a150fa2233079171d94cad030f0c2739c16cc17de9fa44eda
SHA512

5c3978a03e7b5b5e3716d906e8f60202c1bde5fbbd53c1679c3eb5220ecce0a5e70bcfd77041e3c7b4bd0218b3b5b120ff6ec1389cb3d83875dc025a26667b0b
SSDEEP

24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxN:dJ5gEKNikf3hBfUiWxN

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/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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3992	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	ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3992	1788	ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe	87
PID 1788 wrote to memory of 3992	1788	ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe	87
PID 1788 wrote to memory of 3992	1788	ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ddf779787b9403c02345a5d73552aaf4_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788
- 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:3992

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
994KB

MD5
2157e3f8e41125801f017738d1d43e9c

SHA1
278b0027c26460be204a89284f02307aff3fe18f

SHA256
7f042a6299e71e0046ca3d15b10590365fbf165f3b355203cc5075e149dec9db

SHA512
71b5ba87ff32474a1588573c43a459e3f12510c57a1175909f8f39b7addf0695aef965026ed386d21a1595ac16ba3577dd1f93857d6df3d53cc0a603587d22ff

Download Submit
memory/1788-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1788-1-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/1788-3-0x00000000026A0000-0x0000000002AA0000-memory.dmp

Filesize
4.0MB

Download
memory/1788-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3992-14-0x0000000002590000-0x0000000002990000-memory.dmp

Filesize
4.0MB

Download
memory/3992-13-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/3992-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download