ammyyadmin | dcfbf03ce058029ed727109327c483797b4b74207ee43e6d9c2f1e664d131053

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-06-2024 11:17

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General

Target

a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe
Size

1012KB
MD5

a540ca80011ab8cc36c5daba1fadf70c
SHA1

5baba96ac907c1ddb25b5275df6e2a1178d4c01a
SHA256

dcfbf03ce058029ed727109327c483797b4b74207ee43e6d9c2f1e664d131053
SHA512

455dd673603ef4d5b719c497e1a5ade7db080180d1b0c95b9c714db165612e771d7f8e6b1a1d74bc1cac912fc45b56aa817c6feae8cf919036099b86df0a488f
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxx:7J5gEKNikf3hBfUiWxx

Score

10^/10

ammyyadmin rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023276-7.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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3412	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3564-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x0006000000023276-7.dat	upx
behavioral2/memory/3564-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3412-14-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3412	3564	a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe	81
PID 3564 wrote to memory of 3412	3564	a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe	81
PID 3564 wrote to memory of 3412	3564	a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a540ca80011ab8cc36c5daba1fadf70c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  PID:3412

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1012KB

MD5
36cc468cf65a22a8cbceb8e6d817ebec

SHA1
65ae18cb5db238200a5fd859191a0d26d222ccb6

SHA256
23cbb989ae06bd311915b95c579a3148d54277d5804e6aa92690a131fdace4fc

SHA512
5a6abafdbe51aa8a5fe6ae9803bdc912c736447ba1727ec129b1d17bc6bf24da2876338f4dbf298fc3c6a616c88f71180f1d8b8423d1a4ee31b36657af7db2b4

Download Submit
memory/3412-12-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/3412-13-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/3412-14-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3564-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3564-3-0x00000000026E0000-0x0000000002AE0000-memory.dmp

Filesize
4.0MB

Download
memory/3564-2-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/3564-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download