flawedammyy | da3e304a70a99cb16416540d0ca4b6b0105271aaa0ef7368a79ffbfa6e61f4b6

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

Processes:

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\International\Geo\Nation	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Modifies data under HKEY_USERS 6 IoCs

Processes:

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

description	ioc	process
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 = 537d56736608796e5f5e4c105953a741efc7c064b26b	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = cad905fad8023c56481e03acc1eec75250a588ef2003b6593829cfbcb6f68df301f0ccaa621a3af6a89fbff26f0da8a8d6cb0a8e0549764012f61d72c6c81db7603d35e1	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

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

pid process

1184 349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

pid process

1184 349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

pid	process
1184	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

pid	process
1184	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

description	pid	process	target process
PID 1696 wrote to memory of 1184	1696	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
PID 1696 wrote to memory of 1184	1696	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
PID 1696 wrote to memory of 1184	1696	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
PID 1696 wrote to memory of 1184	1696	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe	349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe"
1⤵
PID:2040

C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe
"C:\Users\Admin\AppData\Local\Temp\349f7e00ee29b349b00c32318cb9b829b162167702957295712d37ebbb2a7a9a.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1696

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:1184

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\hr
Filesize
22B

MD5
364e617932d03a7ca7b74a7b3ecfe82f

SHA1
d35cff04e6ff102cbe8888f4257897d32a8e4119

SHA256
2b3868e20c1a36c0a43a9260f3a4abe7597949fe62d46b55eaedb212cf1521c1

SHA512
af27d97937e2b764a425805301a93c02119af9be45505c235929fe9b9a615435f22d3f5de9d382ff7336d0dbfb56b51913ddc25de3157fcea6df681c50950b10

Download Submit
C:\ProgramData\AMMYY\hr3
Filesize
68B

MD5
73b0e11c502d71bd01ce7ad358264d33

SHA1
60ec1605b648d601e5fc9f8874f4e9653b994e91

SHA256
9c205121f6a53114fe741c91b1a94d0c45f3d4af40d3cc90006b47a5aa49b766

SHA512
0977632ba7f5b67aa1c4fef91af0f741a64a5a2d791d799c7dcf609aed4ceccaf57a7dbd8d6e385422e66c0f254a566464cadc15013de8c5e0fd9e5080c380e9

Download Submit
C:\ProgramData\AMMYY\settings3.bin
Filesize
270B

MD5
6910d9160b66c4395f587a279e80f132

SHA1
54949c04c8c0970aa5e2d3fb2912318daab97b98

SHA256
72d44ac6019d486fc1a58334ff8ed692de0a9ed96de3142638c71376ceade87c

SHA512
82967a8bdbad58f2a81d063c84294153dbdd86322d4b6e3631122530dc7f00fd209ed1d2b0683eb60f726fd3d6f93c7615bd1d0d1fa1f5441119d0e5007582b9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads