flawedammyy | 349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a

Analysis

max time kernel
151s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-01-2024 23:18

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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-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\International\Geo\Nation	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
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 = 537d56736608796e5f5e4c105953c76cecace51ab26b	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 0775361f9e01c41a49f68b66b8c3268fef3565f5be245a4d87bf178070f41e8da9e318d646f5594616baeeedd7264df83879a6ff9cac6688c8e798fb721d7d8fe5a264ab	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2120	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2120	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2120	2324	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 2324 wrote to memory of 2120	2324	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 2324 wrote to memory of 2120	2324	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29
PID 2324 wrote to memory of 2120	2324	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	29

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe"
1⤵
PID:2448

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- 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:2120

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

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
9bf6fddc57393e98f1a31c7321848676

SHA1
f9f586b7313db03525f0707ccf1090af60daf2c1

SHA256
af7035e4f64f6f196f4c2528d3e9fa322c680821ad04a9a73e569b2508002d51

SHA512
80b74778c3154de3635c51234c538ee7c5ee7dd3c8753982b00eaf1531a8f4c73492d6f36575007ee5a2e3ddfcabd89998ed3ac04965e73d9e957b5d0c59ca68

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
8df052b5a24e553cea610673d515349f

SHA1
2d6291f0ab6e5cb9772af16e83f89ce2d1c51b77

SHA256
8cba6d8db3784e4c000bbfce8e7361e258cc81d423ba4dd457355af557f91b41

SHA512
cd2ee7e5c9f2381e45c046cfc1bcec2a23a3492e676ace740f63299f476c601a064dfa98792e90a5ce4c6ffc4a82585e6eda7b16afb136020f8f776745dbd336

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

Filesize
270B

MD5
6910d9160b66c4395f587a279e80f132

SHA1
54949c04c8c0970aa5e2d3fb2912318daab97b98

SHA256
72d44ac6019d486fc1a58334ff8ed692de0a9ed96de3142638c71376ceade87c

SHA512
82967a8bdbad58f2a81d063c84294153dbdd86322d4b6e3631122530dc7f00fd209ed1d2b0683eb60f726fd3d6f93c7615bd1d0d1fa1f5441119d0e5007582b9

Download Submit