asyncrat | 70c7ef5fc6bc175a30fc1436ee76e05118d1a0c8310a454c373bc5e851689e08

Resubmissions

04-08-2024 08:30

240804-kd6srsvgnb 10

04-08-2024 08:20

240804-j8kcks1arn 10

Analysis

max time kernel
44s
max time network
52s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
04-08-2024 08:20

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General

Target

test.exe
Size

45KB
MD5

7f29206fc82a922c7f468f1a8c626040
SHA1

583ba79e6acd22bfafcef10a13b30a0043f73537
SHA256

70c7ef5fc6bc175a30fc1436ee76e05118d1a0c8310a454c373bc5e851689e08
SHA512

1896d659e381dbbbd208945bde36991efaef57eb515121adfb5e8a4d2a241e4098ef31815c523782c880d8a98b5f2c5e39a9e1984a5c86b523b3f66e9c158be9
SSDEEP

768:Cu/dRTUo0HQbWUnmjSmo2qMh8V1NpxTcPI1zjbkgX3iQ90K6oayV9BDZ2x:Cu/dRTUPE2l8VXPTh13brXSQ90mVTd2x

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

RFI09QOr7ybB

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 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	test.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	chrome.exe
2900	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	test.exe
Token: SeDebugPrivilege	2660	test.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe
Token: SeShutdownPrivilege	2900	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe
2900	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2836	2900	chrome.exe	36
PID 2900 wrote to memory of 2836	2900	chrome.exe	36
PID 2900 wrote to memory of 2836	2900	chrome.exe	36
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 840	2900	chrome.exe	37
PID 2900 wrote to memory of 880	2900	chrome.exe	38
PID 2900 wrote to memory of 880	2900	chrome.exe	38
PID 2900 wrote to memory of 880	2900	chrome.exe	38
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39
PID 2900 wrote to memory of 2840	2900	chrome.exe	39

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2660

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1812

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5f29758,0x7fef5f29768,0x7fef5f29778
  2⤵
  PID:2836
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1164 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:2
  2⤵
  PID:840
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1492 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:8
  2⤵
  PID:880
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1592 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:8
  2⤵
  PID:2840
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2124 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:1
  2⤵
  PID:2996
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2256 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:1
  2⤵
  PID:1312
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1380 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:2
  2⤵
  PID:1324
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1364 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:1
  2⤵
  PID:2272
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3684 --field-trial-handle=1336,i,15866380374257398035,781381578212834696,131072 /prefetch:8
  2⤵
  PID:2480

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

Filesize
16B

MD5
aefd77f47fb84fae5ea194496b44c67a

SHA1
dcfbb6a5b8d05662c4858664f81693bb7f803b82

SHA256
4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

SHA512
b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
8c4af3dcbd954fa64adde4127059e1a4

SHA1
c344c7eac6b5fdd4186ac9310661c60905ded827

SHA256
789b34e06515bd963b7db4f5b481cfaf54447bd54c125c9da37b5a5cd1c225b9

SHA512
f8c009c8b00ed5cd8c999654fbb0aebb5662bc3ccf50547322458b75616827c60c3da0880b7743374eea4fbeea0d5995b822f692bfcd40c1f3959b6a9c9bf99a

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Session Storage\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/2660-0-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2660-1-0x00000000013B0000-0x00000000013C2000-memory.dmp

Filesize
72KB

Download
memory/2660-2-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-3-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2660-4-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download