ammyyadmin | dce4055f046ace31596893e8887cf712614150eb09dfdeb8ab0e83b9bf00f1f8

Analysis

max time kernel
150s
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
16-09-2024 18:15

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General

Target

e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe
Size

995KB
MD5

e557daaedfd9950c0f9c7b25beb06165
SHA1

80dc59bfedf1e1ea28c68181481492cb6ad79bee
SHA256

dce4055f046ace31596893e8887cf712614150eb09dfdeb8ab0e83b9bf00f1f8
SHA512

6fe6566139947eda1f4d44c026c47d792474f1c7757a09a79aaf27d1766e2e96962b35f85b046983f2b6259d29fae1a425ccfdb6c3ae8d57ac75760079ca9e39
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx3:mJ5gEKNikf3hBfUiWx3

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/0x0009000000023449-7.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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3320	budha.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3576-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0009000000023449-7.dat	upx
behavioral2/memory/3576-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3320-21-0x0000000000400000-0x000000000040F000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e557daaedfd9950c0f9c7b25beb06165_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 3576 wrote to memory of 3320	3576	e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe	82
PID 3576 wrote to memory of 3320	3576	e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe	82
PID 3576 wrote to memory of 3320	3576	e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e557daaedfd9950c0f9c7b25beb06165_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- 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:3320

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
995KB

MD5
1ead1e6dba01edb625090bbc658f07d3

SHA1
ab5397e1eed427bfe4aaf949da30a4c4e15c279c

SHA256
67cd49f535d78209ca64a18c98f54595bf694aa83f114c1a30ad08b62faf526d

SHA512
9e8428c724d0fb7274227c8003cabfc1c03f53aa8c0360367f238dc991eac5694bce47e364b1ac0474c2f959cd8222ff05655045363bb848e20aa435a411c8fc

Download Submit
memory/3320-13-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/3320-14-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/3320-21-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3576-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3576-1-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/3576-3-0x0000000002560000-0x0000000002960000-memory.dmp

Filesize
4.0MB

Download
memory/3576-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download