flawedammyy | 22e5ba85e12a046aa53dd32213edf7e8ae8ba32360edd0064e5d8a3f866d0894

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2025, 14:13

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General

Target

JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Size

700KB
MD5

aeb2b92aa0b59fb81871573cc24e5298
SHA1

d4534643ca570a43459638bd36e6281802dfa459
SHA256

22e5ba85e12a046aa53dd32213edf7e8ae8ba32360edd0064e5d8a3f866d0894
SHA512

d9fd5544e32f068ad1ae6ded12e72243d92419efbec290cb342b9ddf9a72563962fdc4faa60a7aa3e22a3034327096525e5aafcf448da4df5e485abf0b62a6af
SSDEEP

12288:1hjun1eaHjs7C8la0n9lp9Dkb1RtgA93ykM+TZtC3pge:DqeOs7C840n9lpG1Rtb93IKZtze

Score

10^/10

flawedammyy discovery trojan

Malware Config

Signatures

FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
trojan flawedammyy
Flawedammyy family
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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d567366087c6658524c1752534d6073d8a3f5b36b	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 920e1688c4cf3298ec6359d41adc9589d6b32194d25c5ecb156d4bd12ef091531820af45839beaa39e7b8544c33fcb89cefbe6378d9f0d780b6588cb9df25ad34360ae0666e34fb27c92c3	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
312	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
312	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 312	4932	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe	87
PID 4932 wrote to memory of 312	4932	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe	87
PID 4932 wrote to memory of 312	4932	JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:460

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe" -service -lunch
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aeb2b92aa0b59fb81871573cc24e5298.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:312

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\AMMYY\hr

Filesize
22B

MD5
3e4ed9c07eb5faf2c4b6f8bacf807831

SHA1
3276c84e2ecc8c3a225843ad0206d0acb04992b2

SHA256
2246902d68719c15770b60611723aac85b07a8fe14e9a11f5175d4753287b528

SHA512
99afbfc843880703b746515bc48964f4cd5624ec2683749ae95229a109fabcece9d9f561de5dc0e5fe0d37e0dbe832690754030607df6c16ad723b0021953fc1

Download Submit
C:\ProgramData\AMMYY\hr3

Filesize
75B

MD5
6e91a855b6c04cae0955ad545bce9f94

SHA1
09682d3862451f509ddd32ffbf4e0d5956d42fe6

SHA256
c669a2091cb533e8ed89f88a486f1d0c3413ef811e47101af369490835eb2a9b

SHA512
bc058f315af44cfd060a4b12cf04a3598519b3d2a35f72ae613d762398123c79da6a41a0bef419eb76abd94b418aae79a027b20e13dee96df7a64d3e3aa574a6

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

Filesize
281B

MD5
7f1645a45e464cb0be413ff83c481368

SHA1
9a1ad9ec48093dea33127c094c7158e006393119

SHA256
90dda9899bf36707db3e2b025a6fdab985bdf9ff21f907fb873e858b0b9e3f58

SHA512
e4a866f104e7cb2e50825b2d3925a066695b02d5dc2c8a878c62a6d33860104e75de2ccd1a485341d8b84b058245ba4c285c5233ea366e3d60afdfd5b31499f1

Download Submit