ammyyadmin | 198f70a8827b1e9114dcd0c14191d495e52cd38393a1d603c62fc1ae7c48e3b2

General

Target

b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Size

713KB
MD5

b47730495747868c2fa6f4ff3e94b7b0
SHA1

f8f1b33ed6231d01aae10ed8c89f31d11f38f06e
SHA256

198f70a8827b1e9114dcd0c14191d495e52cd38393a1d603c62fc1ae7c48e3b2
SHA512

91b2d33ca82d94084300d51fa206ab68e6ee1b94b779df8cce7c4fdf176c7037914566f3e53e7e7abbae44c7146dfbfcc3a9493d45a47a84e55325dd61d3c652
SSDEEP

12288:UVr29UGEg6VUM5oAL1jq3E2jj0NOjAqHKtCessZWjya7VM1en9Nm1RtNeCVao2Vp:uUbj4qwCessA41Rt0CVMVZtxP

Score

10^/10

ammyyadmin flawedammyy rat trojan

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 4 IoCs

resource	yara_rule
behavioral1/memory/2288-0-0x0000000000400000-0x00000000004CB000-memory.dmp	family_ammyyadmin
behavioral1/memory/1256-6-0x0000000000400000-0x00000000004CB000-memory.dmp	family_ammyyadmin
behavioral1/memory/2132-5-0x0000000000400000-0x00000000004CB000-memory.dmp	family_ammyyadmin
behavioral1/memory/2288-7-0x0000000000400000-0x00000000004CB000-memory.dmp	family_ammyyadmin

FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
trojan flawedammyy

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-1-5-21-481678230-3773327859-3495911762-1000\Control Panel\International\Geo\Nation	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 148d3a310188acfefb8870ff5825f52ced0ec7db0eb9aa341ed63e76f037e503ebc92a9a41bdf17e23d881027e847e94f6b8badc508f84b5fd111ae8e6536fb7fc87560d	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d567366087c695f594c1654533750686c6efab26b	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1256	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1256	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1256	2132	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe	29
PID 2132 wrote to memory of 1256	2132	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe	29
PID 2132 wrote to memory of 1256	2132	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe	29
PID 2132 wrote to memory of 1256	2132	b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe	29

C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe"
1⤵
PID:2288

C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\b47730495747868c2fa6f4ff3e94b7b0_NeikiAnalytics.exe"
  2⤵
  - Checks computer location settings
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
dfcdedd6bc7ff4e51db827e1b4be7a14

SHA1
e3bf923eb7fc9fa3b2f3c3433f68ebe664289941

SHA256
1c7857058473f2c4aa0dbb8a80271ab4393e73f18695ec7ad3a3701eadcf7506

SHA512
69e977a17694c4ee7cf9be98d08a214276791dc81480480ed186b392db19836398619c532ea138ac22c28b59cdbc45d416b2cbc9efb9a74a12f354242ce3406f

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
99e7952b4fd2c2e848e6c3352cecb7d8

SHA1
92f15bc13c48730d95c83d1006171b092aefda20

SHA256
a1a016812f2551a1181cedc06abf5ec0e0a6d8e02ab89269c1d03e57e3fb4790

SHA512
53f1866a64dc5bb254121c1cfbc3e8a35b6a42d2f48ccd6b800de0074c56205266f381cab719803ba3cf0c7b4c89f28d77bdd2ec4bdd4402fd21d168f6d9a589

Download Submit
C:\ProgramData\AMMYY\settings3.bin

Filesize
269B

MD5
097a18ed7b31114c7ef39ef06eff02f0

SHA1
276bb5fc8ab72ed3a447dd57be668ace8f75a7c1

SHA256
985b458559939244b777d09d71d6192a13f693b88b046ca904012603a5582812

SHA512
168ef05ddb434dd4003748c7cd6ea9ed5c8280506de4473c3b193fffc314b469e85e2474f919f189c9b7ffb16aa741d75900341a9802dae175ad185e1fea3e96

Download Submit
memory/1256-6-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2132-5-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2288-0-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2288-7-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download

Analysis

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