ammyyadmin | 792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8c

Analysis

max time kernel
115s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 08:56

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General

Target

792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
Size

994KB
MD5

f751a2295024cb156e021fee9c86df40
SHA1

a0cee6ec85b8a3d13e002a42424a7076748dff20
SHA256

792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8c
SHA512

38dafa748a3d9b14a070f63b100975702012cdcf78d83d12af6e2bf0eb809b98ed1be5926c836dafb433bc1df22fdeb0f6f79017dda2fbdccdf08df8733c9f30
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxe:7J5gEKNikf3hBfUiWxe

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b8c-7.dat	family_ammyyadmin

Ammyyadmin 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	budha.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1248-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000c000000023b8c-7.dat	upx
behavioral2/memory/1220-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1248-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1220-21-0x0000000000400000-0x0000000000410000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 1220	1248	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	82
PID 1248 wrote to memory of 1220	1248	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	82
PID 1248 wrote to memory of 1220	1248	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	82

C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
"C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1248
- 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:1220

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
995KB

MD5
d47c1c65f2260a357cc834c4150a9e09

SHA1
7a64d7974a5c5682cfa265d1c8e7442001ea2ded

SHA256
0de37722827109ab756f8d6b02a059b652b5dd00832e06d476ed500bfcc6e72e

SHA512
a239eb0dc9b40a31d7df77fd95500f50b3fd9fe9a325ea32542f6c49498501e213e1573ecc858617bb2a2117d3452205ceab37a01d645c9630fa21a83be22a83

Download Submit
memory/1220-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1220-13-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/1220-14-0x0000000002560000-0x0000000002960000-memory.dmp

Filesize
4.0MB

Download
memory/1220-21-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1248-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1248-1-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/1248-3-0x00000000026A0000-0x0000000002AA0000-memory.dmp

Filesize
4.0MB

Download
memory/1248-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download