ammyyadmin | eba45eb26d6f96ed237787613036445354329821836c9835795f3f945fd8d23a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 03:47

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General

Target

e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe
Size

1012KB
MD5

e8445e2e110eb6bcf0808966fdae087b
SHA1

b7b860e949f55f2ee4594076a7a6559ac6abb869
SHA256

eba45eb26d6f96ed237787613036445354329821836c9835795f3f945fd8d23a
SHA512

9076a6456c9ff1c9f6a417d1dcee6a8521c05a47460d1db5979e17e3256664589ddbbcfdcb1c327115d2d5ae35f4f75f59db63253bf8de2ecc4d2d4cca3f27b2
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxK:7J5gEKNikf3hBfUiWxK

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/0x000800000002345d-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1360	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2144-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000800000002345d-7.dat	upx
behavioral2/memory/2144-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/1360-20-0x0000000000400000-0x0000000000410000-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	e8445e2e110eb6bcf0808966fdae087b_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 2144 wrote to memory of 1360	2144	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	82
PID 2144 wrote to memory of 1360	2144	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	82
PID 2144 wrote to memory of 1360	2144	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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
1012KB

MD5
2eb39b7db8478752e6a38aeb5a6221f2

SHA1
e3296435cb1eca98080aa5270c7e7cad9c6c0da5

SHA256
a97e3c75c9571f91c75158fd6a3dd6c76b7687f96364d3cca2c2a455b5541185

SHA512
a3cb1b8e2f2892c62345cd2491c2865637f58952e1bb290676cf8df323aa08310939b15783926414d554289ec47173ab09c35a00f69d94e31ca4ea95f6915c62

Download Submit
memory/1360-12-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/1360-13-0x00000000025F0000-0x00000000029F0000-memory.dmp

Filesize
4.0MB

Download
memory/1360-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-1-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/2144-3-0x00000000025D0000-0x00000000029D0000-memory.dmp

Filesize
4.0MB

Download
memory/2144-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download