ammyyadmin | f167c098debc24dc5484f0ad474262e1644d94793fdc849620b6d10ccb2c9f63

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
29-07-2024 20:34

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General

Target

5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe
Size

956KB
MD5

5e7c774dfe97161cb2f235773a52b256
SHA1

c273307b1846e84eebc4e6fc29434c3a2af04b3c
SHA256

f167c098debc24dc5484f0ad474262e1644d94793fdc849620b6d10ccb2c9f63
SHA512

5d3f5ee60cfe4e7990e798d60cab6bf47bac85edba36ed5fdfde58a314418cdbd7cffdd1a3ed28b8cb007838dcb4b9b4a17759341d58297a5bb089b6b3fc6b8c
SSDEEP

24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxk:dJ5gEKNikf3hBfUiWxk

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/0x00080000000234df-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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3732	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	5e7c774dfe97161cb2f235773a52b256_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 828 wrote to memory of 3732	828	5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe	85
PID 828 wrote to memory of 3732	828	5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe	85
PID 828 wrote to memory of 3732	828	5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e7c774dfe97161cb2f235773a52b256_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:828
- 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:3732

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
956KB

MD5
14b8882e6b982eaa2fb22f91275449c2

SHA1
0e02370c8529acfbadf28424bf4713a3c8583430

SHA256
fe474e4a8ac984f166ec45522a33e6dd5ad44fdb61130578e7e78d910f634c10

SHA512
19a15bccf849374c978f21e32c7a26f75b12fa33ab07bb12de1ad03bbc29e04598d1b4d23f66761c412b15464098692812184515c2d94605900ebdd6d391c5ef

Download Submit
memory/828-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/828-1-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/828-3-0x0000000002530000-0x0000000002930000-memory.dmp

Filesize
4.0MB

Download
memory/828-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3732-13-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3732-14-0x00000000025B0000-0x00000000029B0000-memory.dmp

Filesize
4.0MB

Download
memory/3732-15-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download