asyncrat | 49faef491cbfe43dd44266f822d744a9d5543fd01375c2b3d89fbe744ff7b400

General

Target

edada.exe
Size

47KB
MD5

f6093b7c45edb15a9d1bf77c5ea7fc6f
SHA1

eec1c1c523fe47fcba093c109c67320c38dc0db2
SHA256

49faef491cbfe43dd44266f822d744a9d5543fd01375c2b3d89fbe744ff7b400
SHA512

ba0a3f173c4e4927a581a2d2aa8a17340f0f0548c4311afe8d84183769978e81a3df1ce4525cd349455f7d6c197755871ddfa5eedd8111738e6dd76850608e73
SSDEEP

768:Nuu91TwQsOnFWUFN1/mo2qDaIvyP10ozjFz2PI87fl/nt0bCyJpBuaOk0KB07JDG:Nuu91TwSb231pZ/8LlCbCqcDgBYdQkdK

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

trip-thesaurus.gl.at.ply.gg:6606

trip-thesaurus.gl.at.ply.gg:8808

trip-thesaurus.gl.at.ply.gg:1337

Mutex

sk4bkiT4mXvt

Attributes

delay
3
install
true
install_file
edada.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000300000001e748-11.dat	family_asyncrat

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	edada.exe

Executes dropped EXE 1 IoCs

pid	Process
376	edada.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	edada.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edada.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4940	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
8	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe
2760	edada.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	edada.exe
Token: SeDebugPrivilege	376	edada.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1860	2760	edada.exe	86
PID 2760 wrote to memory of 1860	2760	edada.exe	86
PID 2760 wrote to memory of 1860	2760	edada.exe	86
PID 2760 wrote to memory of 4140	2760	edada.exe	88
PID 2760 wrote to memory of 4140	2760	edada.exe	88
PID 2760 wrote to memory of 4140	2760	edada.exe	88
PID 4140 wrote to memory of 4940	4140	cmd.exe	90
PID 4140 wrote to memory of 4940	4140	cmd.exe	90
PID 4140 wrote to memory of 4940	4140	cmd.exe	90
PID 1860 wrote to memory of 8	1860	cmd.exe	91
PID 1860 wrote to memory of 8	1860	cmd.exe	91
PID 1860 wrote to memory of 8	1860	cmd.exe	91
PID 4140 wrote to memory of 376	4140	cmd.exe	97
PID 4140 wrote to memory of 376	4140	cmd.exe	97
PID 4140 wrote to memory of 376	4140	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\edada.exe
"C:\Users\Admin\AppData\Local\Temp\edada.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "edada" /tr '"C:\Users\Admin\AppData\Roaming\edada.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "edada" /tr '"C:\Users\Admin\AppData\Roaming\edada.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:8
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBE2F.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4940
- - C:\Users\Admin\AppData\Roaming\edada.exe
    "C:\Users\Admin\AppData\Roaming\edada.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\edada.exe.log

Filesize
522B

MD5
acc9090417037dfa2a55b46ed86e32b8

SHA1
53fa6fb25fb3e88c24d2027aca6ae492b2800a4d

SHA256
2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b

SHA512
d51f7085ec147c708f446b9fb6923cd2fb64596d354ed929e125b30ace57c8cb3217589447a36960e5d3aea87a4e48aaa82c7509eced6d6c2cecd71fcfe3697b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBE2F.tmp.bat

Filesize
149B

MD5
d8f289a36e5c6690802d1b3cb35813fd

SHA1
d1c6be992c0fdefb74f83d3e297bd5c12dfffae4

SHA256
cb06a1085e454368c86b1263f74e30c54abab2f0a1f68d27a03a323ff1151916

SHA512
a31032bbbdf1a0cd0ac9eed4c9ba52ac63bf3ddd61162dac216d89d70d8991dd6c1de44cf331dd62f8e40e3a3d1a0d47a43899f2f969fae09dd37cd2e82fb2ca

Download Submit
C:\Users\Admin\AppData\Roaming\edada.exe

Filesize
47KB

MD5
f6093b7c45edb15a9d1bf77c5ea7fc6f

SHA1
eec1c1c523fe47fcba093c109c67320c38dc0db2

SHA256
49faef491cbfe43dd44266f822d744a9d5543fd01375c2b3d89fbe744ff7b400

SHA512
ba0a3f173c4e4927a581a2d2aa8a17340f0f0548c4311afe8d84183769978e81a3df1ce4525cd349455f7d6c197755871ddfa5eedd8111738e6dd76850608e73

Download Submit
memory/376-14-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/376-15-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2760-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/2760-1-0x0000000000C70000-0x0000000000C82000-memory.dmp

Filesize
72KB

Download
memory/2760-2-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2760-3-0x0000000005700000-0x000000000579C000-memory.dmp

Filesize
624KB

Download
memory/2760-8-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads