ammyyadmin | 98ede4d6ec77319d6523769e18eaac98f47b01e972f6a5f20bc5cf81a5c37678

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
08-09-2024 20:00

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General

Target

d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe
Size

994KB
MD5

d50726f8e2d82631d109d590761be2ba
SHA1

1f01c6caf6be69547f08849842c53578b6331540
SHA256

98ede4d6ec77319d6523769e18eaac98f47b01e972f6a5f20bc5cf81a5c37678
SHA512

4ec434063a1e5b440c685a19e7aa9acb987baaa19dde16ee01c5c650d03461a9d3a98dd609ea4eb5aa42c810db9655b8dce37ce980574d6a12cf8bb721c0c7ca
SSDEEP

24576:4MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxe:dJ5gEKNikf3hBfUiWxe

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/0x00080000000234d0-7.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1360	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	d50726f8e2d82631d109d590761be2ba_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 672 wrote to memory of 1360	672	d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe	86
PID 672 wrote to memory of 1360	672	d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe	86
PID 672 wrote to memory of 1360	672	d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d50726f8e2d82631d109d590761be2ba_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:672
- 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:1360

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
e4a77eef7c966ecfa13c97b19755e370

SHA1
2bd801b1c57cddece292d99c00d383962e566831

SHA256
628c4e58e097b857363ec578870390a36fdd807e02904b591eb492197ddfacb2

SHA512
d6744b7b9725213f4ca708f5afbb517d931e0dcfe1cf059ed27b0ded977772c5cc294949132449a8f0899bc5274a23c6df26c7ef473b0d011310f7b749b18cac

Download Submit
memory/672-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/672-1-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/672-3-0x00000000026D0000-0x0000000002AD0000-memory.dmp

Filesize
4.0MB

Download
memory/672-13-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1360-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1360-14-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1360-15-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/1360-16-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download