flawedammyy | baf7d4cb66d24b7c829faaf9deb14c8fc623a58670a948ca0572eb57e9bff8d5

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13-01-2024 01:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Size

722KB
MD5

45c9b54d66cbcc2de89f93e25f368a45
SHA1

2e5265f35f75a50c89e592e127bc80e1e45aa840
SHA256

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a
SHA512

25c3f1ec6d2e233464090f584777b15f18acfd1cb12124c236680689545ec8208bc364d26d7202e38368dbec34cd824600afb51845df8c9de8c8e83fba8d8b1f
SSDEEP

12288:x2QKNGp2YPjE0d63iVg5Bfi781Rt1hpGqzdpW9eKVQvTPRpsbS5hEgK:xSIp2Ydd6SVcpz1RtXpGadsbShK

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-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\International\Geo\Nation	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 055fb096d2bbb2bbf6b10be39c7110e5da0da1627ff8a3f3f4b922c63b1b1fe9979a251e21738d35208a66292286141520be474055d0d9910e257e8ac46cf00d0cd529b6	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d56736608796e5f5e4c1059534712bbe5f61ab26b	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2000	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2000	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2000	1608	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 1608 wrote to memory of 2000	1608	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 1608 wrote to memory of 2000	1608	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 1608 wrote to memory of 2000	1608	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe"
1⤵
PID:2504

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
  "C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe"
  2⤵
  - Checks computer location settings
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
10e36534e3a430a7d6454691dbeae67b

SHA1
7efe762d71c21946c356712de413ff960bdbf172

SHA256
7037dbfb6e6540ae0ef35c0fcfb3df9025df03ce21064b77093dee67d44b4c84

SHA512
8993d0f5549fbd4227f9916fce694b44b248de44b0196ca030b00d4b0138692ccb78f90e24f0716d5a154a3f52471aec0c177c88cf8e219cea8569c0848b8dbd

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
705665c5be0ac7b2a7f222f07f0f70ab

SHA1
0fa66133d02dc318a15f340d1745bf509cc8c62f

SHA256
ad9c5c384b8d32906055b2f84deaa20e3bc0157dd7db238b3817136f6fa6c2e6

SHA512
77b4388a123879895ace80eb0dd2c7303116a652dc4e9a2c789251f6c5ca1c75f627513cb8229174d359ef1a824e9e718e375c4337f122305f9064fbba02c9ad

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

Filesize
270B

MD5
6910d9160b66c4395f587a279e80f132

SHA1
54949c04c8c0970aa5e2d3fb2912318daab97b98

SHA256
72d44ac6019d486fc1a58334ff8ed692de0a9ed96de3142638c71376ceade87c

SHA512
82967a8bdbad58f2a81d063c84294153dbdd86322d4b6e3631122530dc7f00fd209ed1d2b0683eb60f726fd3d6f93c7615bd1d0d1fa1f5441119d0e5007582b9

Download Submit