ammyyadmin | 2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760d

General

Target

2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe
Size

994KB
MD5

622f608a0b8fc465dbc769dc55e8fff0
SHA1

f4d839a7b5d62727de46d8ac223cc8d25383c6db
SHA256

2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760d
SHA512

45bd727340c717667639a03972c72f8b07e28d36091f18ab909b74da7fb0172c49a0d8e949a50f735b3d466745ce0ab8e08cf12b5a07e613c3502d6f4ffab79a
SSDEEP

24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxy:mJ5gEKNikf3hBfUiWxy

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/0x00070000000120fe-5.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
2572	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
1292	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x00070000000120fe-5.dat	upx
behavioral1/memory/1292-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2572-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2572-15-0x0000000000400000-0x000000000040F000-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	budha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2572	1292	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	30
PID 1292 wrote to memory of 2572	1292	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	30
PID 1292 wrote to memory of 2572	1292	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	30
PID 1292 wrote to memory of 2572	1292	2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe	30

C:\Users\Admin\AppData\Local\Temp\2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe
"C:\Users\Admin\AppData\Local\Temp\2778946330f34cef4f02552dee7a326fe9d146b53316cabb32df8a838f48760dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- 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:2572

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabDE21.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDE43.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
995KB

MD5
8b02dc530a9accf5c1291d32f0c4e9b7

SHA1
1544b1dc1071e30d549e44e63a6d505be8ba2f02

SHA256
5185c91eb4a002362a08e6b097b2c31a4849381bed4673b2172b2ab369a8eac0

SHA512
119721b54964610803ff01279fd5e6d664dffe36a5c4d480faaab820a2b19a4a612b877ff5fd09407ae176d22e40b7f9f8e5c20fcbd184bf0834ece2f32b640a

Download Submit
memory/1292-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1292-1-0x0000000001D20000-0x0000000001D21000-memory.dmp

Filesize
4KB

Download
memory/1292-4-0x0000000002B20000-0x0000000002F20000-memory.dmp

Filesize
4.0MB

Download
memory/1292-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2572-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2572-13-0x0000000001CF0000-0x0000000001CF1000-memory.dmp

Filesize
4KB

Download
memory/2572-14-0x0000000002B30000-0x0000000002F30000-memory.dmp

Filesize
4.0MB

Download
memory/2572-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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