asyncrat | cf396389d7d1923384a9abcea6e2c39aa0dc88ccb1fe779f1fb4df84d46b33d8

General

Target

AgSimIP.exe_Signed.exe
Size

41KB
MD5

1775b893bff9ce8d732e934161db686f
SHA1

a5947658bdda27bab6de41c91d434b5c905b67fd
SHA256

cf396389d7d1923384a9abcea6e2c39aa0dc88ccb1fe779f1fb4df84d46b33d8
SHA512

e44e4f8a3d9af7fb57fe7352357b24f8ad2ddc637a1432887bcdbb8715b767783d95a204c96adace18798a53b562078b4c96800904c77e075ce93167bee7ef9a

Score

10^/10

asyncrat default rat suricata

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

193.149.3.239:1938

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_file
Yılanoyunu.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content
suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content
suricata

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4996-133-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Downloads MZ/PE file

Drops startup file 2 IoCs

Processes:

AgSimIP.exe_Signed.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AgSimIP.exe_Signed.exe	AgSimIP.exe_Signed.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AgSimIP.exe_Signed.exe	AgSimIP.exe_Signed.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AgSimIP.exe_Signed.exe

description pid process target process

PID 4584 set thread context of 4996 4584 AgSimIP.exe_Signed.exe MSBuild.exe

description	pid	process	target process
PID 4584 set thread context of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

chrome.exechrome.exe

pid process

2196 chrome.exe
2196 chrome.exe
4000 chrome.exe
4000 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

Processes:

chrome.exe

pid process

4000 chrome.exe
4000 chrome.exe
4000 chrome.exe
4000 chrome.exe
4000 chrome.exe
4000 chrome.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AgSimIP.exe_Signed.exe

description pid process

Token: SeDebugPrivilege 4584 AgSimIP.exe_Signed.exe

pid	process
2196	chrome.exe
2196	chrome.exe
4000	chrome.exe
4000	chrome.exe

description	pid	process
Token: SeDebugPrivilege	4584	AgSimIP.exe_Signed.exe

Suspicious use of FindShellTrayWindow 27 IoCs

Processes:

chrome.exe

pid	process
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

chrome.exe

pid	process
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe
4000	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AgSimIP.exe_Signed.exechrome.exe

description	pid	process	target process
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4584 wrote to memory of 4996	4584	AgSimIP.exe_Signed.exe	MSBuild.exe
PID 4000 wrote to memory of 4560	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 4560	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 764	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 2196	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 2196	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe
PID 4000 wrote to memory of 1008	4000	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\AgSimIP.exe_Signed.exe
"C:\Users\Admin\AppData\Local\Temp\AgSimIP.exe_Signed.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:4996

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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4000

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=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff823144f50,0x7ff823144f60,0x7ff823144f70
2⤵
PID:4560

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1668 /prefetch:2
2⤵
PID:764

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1976 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2196

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2276 /prefetch:8
2⤵
PID:1008

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2928 /prefetch:1
2⤵
PID:4888

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3112 /prefetch:1
2⤵
PID:3212

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3804 /prefetch:1
2⤵
PID:1800

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4392 /prefetch:8
2⤵
PID:1124

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4564 /prefetch:8
2⤵
PID:1932

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4536 /prefetch:8
2⤵
PID:3880

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4600 /prefetch:8
2⤵
PID:2928

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4512 /prefetch:8
2⤵
PID:4008

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5004 /prefetch:8
2⤵
PID:2788

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4976 /prefetch:8
2⤵
PID:1720

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4428 /prefetch:8
2⤵
PID:2364

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4968 /prefetch:1
2⤵
PID:692

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4768 /prefetch:1
2⤵
PID:3656

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1592,4831956574846891395,12344341838062624355,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3096 /prefetch:1
2⤵
PID:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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Downloads

\??\pipe\crashpad_4000_LVRMZMLRUWNFJEDH
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/4584-130-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/4584-131-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/4996-132-0x0000000000000000-mapping.dmp

Download
memory/4996-133-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads