ammyyadmin | df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386

General

Target

df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe
Size

975KB
MD5

7c8b77ce3749e212fa084231e4c319f0
SHA1

8a80b6e1647c23c4b0ed04496c4196a65e43f497
SHA256

df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386
SHA512

35f23da2d26c1f5d0dd4d1ae17520b0d965f00259a268130ca7436fe38e1931039a7b75358018d3e9b7fde47417c54d8aa88ff1f867a09c0ce762f050b3f2333
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxV:7J5gEKNikf3hBfUiWxV

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/0x000a0000000120d6-5.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
1908	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2356	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2356-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000a0000000120d6-5.dat	upx
behavioral1/memory/1908-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2356-9-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1908-39-0x0000000000400000-0x0000000000410000-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	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1908	2356	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe	30
PID 2356 wrote to memory of 1908	2356	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe	30
PID 2356 wrote to memory of 1908	2356	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe	30
PID 2356 wrote to memory of 1908	2356	df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe	30

C:\Users\Admin\AppData\Local\Temp\df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe
"C:\Users\Admin\AppData\Local\Temp\df8741c1d82e9a2df69b9acf98d11638ae794e3329f3f58613b48494abd34386N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- 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:1908

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\CabE4C6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE4D8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
975KB

MD5
a4f90c3f4c21f12cb6d6c73dae11483e

SHA1
68f4c389ce97fcbf091e8a14e4dfb6f17fb1c691

SHA256
dde05351a45f75215ae8def89b61d1f8bf5420759a9b56b4b222810503f89484

SHA512
0dd3fbc18838b58037f745053df92fcf0d56d660377cd5c49efe2772804c20adb8805598cdd8982ee932107718d9e897deec9db21124d655b18a27097ac359ed

Download Submit
memory/1908-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1908-13-0x0000000002AF0000-0x0000000002EF0000-memory.dmp

Filesize
4.0MB

Download
memory/1908-12-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1908-39-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2356-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2356-1-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2356-3-0x0000000002BD0000-0x0000000002FD0000-memory.dmp

Filesize
4.0MB

Download
memory/2356-9-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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