flawedammyy | e1b9d77cb265711831aca195fb1ca299b9e6b2df18b8c086c26876151f57e837

General

Target

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Size

709KB
MD5

2104f66da494fb2cac8d654f02cd85d7
SHA1

98e44b9c65c15384da664d1b548e408b486e47bc
SHA256

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a
SHA512

24cebfda8f1b90bc542f19d3c0ae8e7b51771c4e7e5b2fd2560dec1866b74f1172d85a6dbbf809a5f5bb9ecbac6a25db3477e8eec2fdb2d5f55fe4470b1555dc
SSDEEP

12288:J/VanOH+kAX8CrJpc4+9djmLfN971Rtc3MmylZDaehlJgJ:faOH+kbCr/c4+9hm7r1Rt4MmylZDV6J

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:

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Control Panel\International\Geo\Nation	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

Modifies data under HKEY_USERS 7 IoCs

Processes:

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d56736608796e5f5e4c105953b7bd79dc3c7bb26b	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = c6d6d161e8789cf8284d2129e93dad5dd3453f20e4d6c116ecc034f7904ab1c81553c2176a06cca48ba5d5a33a04ff52f42aa113d7a0732d980c81dacdf8d1ad62fc9f1a	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

pid process

2672 5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

pid process

2672 5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

pid	process
2672	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

pid	process
2672	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

description	pid	process	target process
PID 2376 wrote to memory of 2672	2376	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
PID 2376 wrote to memory of 2672	2376	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
PID 2376 wrote to memory of 2672	2376	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
PID 2376 wrote to memory of 2672	2376	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe	5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe

C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
"C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe"
1⤵
PID:2108

C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
"C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:2376

C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe
"C:\Users\Admin\AppData\Local\Temp\5767921da620f5755d8ebb63c78fa3c2806003eede39253806813724e62f632a.exe"
2⤵
- Checks computer location settings
- Modifies data under HKEY_USERS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
7f16043508f54f257672e167a6e8000c

SHA1
7f62bab059fa0dd921f778bd6c56c7292d495ec4

SHA256
528571f1010011c659d884c1dd1c08c836a19d99db6ccaad16b5b52ebfa3a5df

SHA512
4e49850697edd38fe44d382587afbf94075a6d2a113addecc3ec416631c916a3eab2507bed2f51a1e204921b4fbacc856e2a8ac2abf9b857efc1ae26626344fe

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
68B

MD5
8684abe446d56e9ffbc97ed90461e902

SHA1
3cf893aeedcd98309fac54b64e2445a87924e3d6

SHA256
22958043672957d1d9fb25d103998b5636836caa0a8e105b7568579535e09f15

SHA512
9e9eff6ba60a02864318c0e6c4bdb569e73e9aa43e609e8b69fbd393ced19cf347b9751a068d6c171034c7602f687ca945f58f945894139d5bebdba93e01702a

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

Filesize
269B

MD5
097a18ed7b31114c7ef39ef06eff02f0

SHA1
276bb5fc8ab72ed3a447dd57be668ace8f75a7c1

SHA256
985b458559939244b777d09d71d6192a13f693b88b046ca904012603a5582812

SHA512
168ef05ddb434dd4003748c7cd6ea9ed5c8280506de4473c3b193fffc314b469e85e2474f919f189c9b7ffb16aa741d75900341a9802dae175ad185e1fea3e96

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads