ammyyadmin | 0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f

General

Target

0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
Size

995KB
MD5

8a273747f5becb6829049aded4cbedd1
SHA1

9ecf1ca671920f4bd33724671c758555272224eb
SHA256

0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f
SHA512

e53c581b5a7d8f9e8052363a71bfaa636f2919dfba00073bbd4008485f260bd4ac790d53d7caf4005625b68277286d33e95fbee2f8a3745708803c4fa6863e27
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxo:mJ5gEKNikf3hBfUiWxo

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
behavioral1/files/0x0007000000012116-4.dat	family_ammyyadmin

Ammyyadmin family
ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
1652	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0007000000012116-4.dat	upx
behavioral1/memory/1652-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1620-9-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1652-15-0x0000000000400000-0x000000000040F000-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	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1652	1620	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	30
PID 1620 wrote to memory of 1652	1620	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	30
PID 1620 wrote to memory of 1652	1620	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	30
PID 1620 wrote to memory of 1652	1620	0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe	30

C:\Users\Admin\AppData\Local\Temp\0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe
"C:\Users\Admin\AppData\Local\Temp\0ccb875be7c9d0a201f2cec7ade91baf205ed0da1c55057ea7cfd0db42269f2f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- 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:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabA3B1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA3D3.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
995KB

MD5
6312accc741c7043f50b935e272f9cfc

SHA1
30b75c0765070f127aaaca4eefa5634d37d2b923

SHA256
3f8995a1807c6b805a094fcbeded00a4678a0eb5183aa57e766e1a9e810877ea

SHA512
3b24679721f5eb3c2972e9cee0703085112d449f400d974dc4dc69c29ba8f339b1b36af814cb6eace1d62028ab0e308e299fac7dda23b63f15b2b86eff928764

Download Submit
memory/1620-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1620-1-0x0000000001E80000-0x0000000001E81000-memory.dmp

Filesize
4KB

Download
memory/1620-10-0x0000000002B40000-0x0000000002F40000-memory.dmp

Filesize
4.0MB

Download
memory/1620-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1652-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1652-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1652-14-0x0000000002B30000-0x0000000002F30000-memory.dmp

Filesize
4.0MB

Download
memory/1652-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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