ammyyadmin | b6658d2a83b84abcb20c267ff2a8fd772c8400079d9c769d5b44fd5ae4db6b2f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 17:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe
Size

952KB
MD5

9b03a2354772d927e77f1ae935a6512f
SHA1

7dbd9e0966abd6ea4b304906958ee8f5a66f5d35
SHA256

b6658d2a83b84abcb20c267ff2a8fd772c8400079d9c769d5b44fd5ae4db6b2f
SHA512

2d6255a4a24071a069da0fd63bc307c1a7fae86a3734d9610cc4b6219b7a8c5b56d25275d5768176ee4b0e16be7ae61c8b5b82c37587d2c8ba23498e064730f2
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx5:mJ5gEKNikf3hBfUiWx5

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

Processes:

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

Processes:

9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

budha.exe

pid process

4988 budha.exe

pid	process
4988	budha.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4136-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\budha.exe	upx
behavioral2/memory/4136-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4988-20-0x0000000000400000-0x000000000040F000-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

Processes:

budha.exe9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe

description	pid	process	target process
PID 4136 wrote to memory of 4988	4136	9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe	budha.exe
PID 4136 wrote to memory of 4988	4136	9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe	budha.exe
PID 4136 wrote to memory of 4988	4136	9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe	budha.exe

C:\Users\Admin\AppData\Local\Temp\9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9b03a2354772d927e77f1ae935a6512f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4136

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:4988

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
952KB

MD5
e4748ff872a8f421b9bfac6423419af0

SHA1
b8cbd0377278b64efd67434d78f0fa186e956114

SHA256
3affa36f8ad78f255737734b44cfa11949839fc251a386fa9f13d545a0fbf965

SHA512
6c22defebfeaeb1068e45af761bda29cf72124a63fc4ff80f00d4dada3250e1d1a9361b12241668bcda8b54566ca70f96e925826cce6245d730cb586f6483fe6

Download Submit
memory/4136-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4136-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/4136-3-0x00000000025A0000-0x00000000029A0000-memory.dmp

Filesize
4.0MB

Download
memory/4136-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4988-13-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/4988-12-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/4988-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download