flawedammyy | b50982f889255af6558b6ee07be5837049bb94297ff0c0db6d4670a9001916dc

Resubmissions

06-02-2024 19:04

240206-xq7xtafdfn 10

02-04-2023 09:53

230402-lw48bsha6t 10

Analysis

max time kernel
87s
max time network
75s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02-04-2023 09:53

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General

Target

AlphaZackCosmos.exe
Size

751KB
MD5

4d853025b8cd8c725bf78e3df6cce967
SHA1

c6bff7857fdf33cbd8f052ef5d669675e5cf06f8
SHA256

4f648c95b8c832742b8b43f4e70689d0ef0328841744858c75d0a4e98fda5ff8
SHA512

977e43eaa763cc66114e00a615818c66a84a5a47bac1cdf21eff9f8f1dcebf138d8ede823265a2f30807d648c57bf036818254964358691d3f9a013f930705cf
SSDEEP

12288:Tc0dZib4t9uOroAgUHvCUt4RtlTc+YNKpQsNvVd1gF:Tc/UtwOrZgUHv54Rt6+YNkQsNmF

Score

10^/10

flawedammyy trojan

Malware Config

Signatures

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-1-5-21-3499517378-2376672570-1134980332-1000\Control Panel\International\Geo\Nation	AlphaZackCosmos.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = c617a12ebfad19310cca75e486e87ba329abf9dfc425dbaad506f70fcddd3b4a809036a1ce85ded300792874fc7b4b4971239bcca78dfd963c67bb2462a55b16ea45a5e1	AlphaZackCosmos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	AlphaZackCosmos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	AlphaZackCosmos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	AlphaZackCosmos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy	AlphaZackCosmos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d56736608796e5f5e4c105953b7678aea113ab16b	AlphaZackCosmos.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
520	AlphaZackCosmos.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
520	AlphaZackCosmos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 520	2016	AlphaZackCosmos.exe	29
PID 2016 wrote to memory of 520	2016	AlphaZackCosmos.exe	29
PID 2016 wrote to memory of 520	2016	AlphaZackCosmos.exe	29
PID 2016 wrote to memory of 520	2016	AlphaZackCosmos.exe	29

C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe
"C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe"
1⤵
PID:1460

C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe
"C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe
  "C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe"
  2⤵
  - Checks computer location settings
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
e5278e4c0370b40e01b5ec1f126750dc

SHA1
9723ae1ead3ff58d4be65fd6e204decb6c732d6b

SHA256
6e52f6dda74495c3c70b6bd6f014f687cedebc1a31ed92125188e4343c33121d

SHA512
6063b2e5b3160bd90ce96f6588801ff8cd00911c373fca0d096c211a755e767914346e7f174a6faa0fa0667ae7f57c940781307faeb3910901c7e35c87f81eaa

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
c6d8d4c241dcb68b5adf150cfbba2746

SHA1
716185d4c874b76f7dd855c1188f09332a76c2a6

SHA256
27e868dbac006706b6d9fd82612be17acfc1cd766cd60509fa64fb176e19d44a

SHA512
c39b722881ca2940b589e63e8c3cb1dda8636609926451f73af74b40d609e6ee132e4a15de955b5444584f84129825219770e677befb7b79ee765bb92e33986d

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit