flawedammyy | b50982f889255af6558b6ee07be5837049bb94297ff0c0db6d4670a9001916dc

Resubmissions

06-02-2024 19:04

240206-xq7xtafdfn 10

02-04-2023 09:53

230402-lw48bsha6t 10

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
06-02-2024 19:04

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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

Processes:

AlphaZackCosmos.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\International\Geo\Nation	AlphaZackCosmos.exe

Modifies data under HKEY_USERS 7 IoCs

Processes:

AlphaZackCosmos.exe

description	ioc	process
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
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	AlphaZackCosmos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d56736608796e5f5e4c10595357a903566706b26b	AlphaZackCosmos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = a3b84b4d66964aab8b081fd743e98bcaa00325be7a6a6fda112732cad75b6cab7c6481bf5c9d48c97d1541e13bb9a4e4cfdb8370dfdd9da60d6253b3108cc56ab54c83d1	AlphaZackCosmos.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AlphaZackCosmos.exe

pid process

2664 AlphaZackCosmos.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AlphaZackCosmos.exe

pid process

2664 AlphaZackCosmos.exe

pid	process
2664	AlphaZackCosmos.exe

pid	process
2664	AlphaZackCosmos.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

AlphaZackCosmos.exe

description	pid	process	target process
PID 2372 wrote to memory of 2664	2372	AlphaZackCosmos.exe	AlphaZackCosmos.exe
PID 2372 wrote to memory of 2664	2372	AlphaZackCosmos.exe	AlphaZackCosmos.exe
PID 2372 wrote to memory of 2664	2372	AlphaZackCosmos.exe	AlphaZackCosmos.exe
PID 2372 wrote to memory of 2664	2372	AlphaZackCosmos.exe	AlphaZackCosmos.exe

C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe
"C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe"
1⤵
PID:2200

C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe
"C:\Users\Admin\AppData\Local\Temp\AlphaZackCosmos.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2372

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:2664

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

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
4f2522b9b98cecf473be2b8333dc2970

SHA1
34a1bb12f924537facb4f451ab24a7f239de2b41

SHA256
cfbba4126c10b4ede87d9986a0fb613366e6d618ab13495b899555e4acc0ee4c

SHA512
86e24e7466725cca0880d6988ce7725dbde09cd2b08ee778336599d004220a159f801ea4989022aabdecf000bdcf1b1004f7a168008e8d8ed490027e500352aa

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
6e5bebb322760f1591312914a151a2e1

SHA1
bef2936b182f12d921eda3d6ee683dc6afc10a78

SHA256
b0f98844077f10c694273c4eb394f9c2152a04a2414f53dced9ce0f39eeca08d

SHA512
3a2e27c449a52b61508a3c2813b089aeb84b15fa8c2b97b3eed3589dba18db4cbed54ee1ecbe9046905681df816f6e1a587e63177452b3c934facbb3ecf6a145

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

Filesize
271B

MD5
714f2508d4227f74b6adacfef73815d8

SHA1
a35c8a796e4453c0c09d011284b806d25bdad04c

SHA256
a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

SHA512
1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

Download Submit