flawedammyy | 606a327219e54ed3e2b4bb751bce95f0af811f2cf7be007cbd4c12650b3df3c5

Analysis

max time kernel
116s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 10:28

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General

Target

AA/AA_v3.9.exe
Size

772KB
MD5

94bdeb3679552811166a849a5c01805b
SHA1

28a4b0150221b77375a786a93bcd0a033567886d
SHA256

ba877be92e535b9dce7f15f7bb5ac0a67e93c7ddd557949e6ec89a73741aca41
SHA512

259ad3291f62456e37f3ffd57131a701672be21b3f9010f68e53714e1ea9dfa6190ec08af143f32d96e3cdc8c5018335ddbad3d13bc8655839817b304a7afc8d
SSDEEP

12288:HSX+EvrCA3FNIs34Zk1L1ZSNlm3Spsal6lbRtMuStGKcsCSqcl90VahgAV:QFNN4Zk1LTclm3e1kbRtyGKcpHcl5iAV

Score

10^/10

flawedammyy discovery trojan

Malware Config

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 3 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	AA_v3.9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AA_v3.9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AA_v3.9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 4816	1208	AA_v3.9.exe	85
PID 1208 wrote to memory of 4816	1208	AA_v3.9.exe	85
PID 1208 wrote to memory of 4816	1208	AA_v3.9.exe	85

C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe
"C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4988

C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe
"C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe" -service -lunch
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe
  "C:\Users\Admin\AppData\Local\Temp\AA\AA_v3.9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\settings3.bin

Filesize
390B

MD5
f3e0483a8464f992bb730a42ff646e98

SHA1
2cf672c1cc8c35a022e4a9c0a0aff871cd85d6ed

SHA256
2cf414995b143d509e309d4845b0bf87e86bf9b6fbfd3cda3943e3d53d5aa6b3

SHA512
7ea33e0a811451e81034aee8d8e6094ccb54e02231626389d8a8121afa0240f1db3ea8b06cf768238abf4f7d77d46f9a1ae0ba826a1933dd6f5971c6103940ce

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