asyncrat | c2576e9e401ba6b3716d78e8cc64a17f513c68592fd7897ddf709c4e9454aaa8

General

Target

85c122363fe6ee91cdcdf8c3d307b75d.exe
Size

22KB
MD5

85c122363fe6ee91cdcdf8c3d307b75d
SHA1

5a302331f5264923c3e5bccd79bd17403c4dc6e7
SHA256

c2576e9e401ba6b3716d78e8cc64a17f513c68592fd7897ddf709c4e9454aaa8
SHA512

84b18ace3a24e27e4fb67444c61e5abc11762e6a4732bd4b0547247a971d3700070e5cefd46e945ec823e2bc7680ba2fb985c9832ee5fd64b64ddcc1c41f3d03

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

38.132.99.156:6606

38.132.99.156:7707

38.132.99.156:8808

thewatersmoney.hopto.org:6606

thewatersmoney.hopto.org:7707

thewatersmoney.hopto.org:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
iJSacvzCWPl1LYxGZUA2LWWvKIcJOBSR
anti_detection
false
autorun
false
bdos
false
delay
Default
host
38.132.99.156,thewatersmoney.hopto.org
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
6606,7707,8808
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1668-66-0x000000000040C76E-mapping.dmp	asyncrat
behavioral1/memory/1668-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1668-67-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.exe

pid	process
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.exe

description pid process target process

PID 1748 set thread context of 1668 1748 85c122363fe6ee91cdcdf8c3d307b75d.exe 85c122363fe6ee91cdcdf8c3d307b75d.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1112 1748 WerFault.exe 85c122363fe6ee91cdcdf8c3d307b75d.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1724 timeout.exe

description	pid	process	target process
PID 1748 set thread context of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe

pid	pid_target	process	target process
1112	1748	WerFault.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe

pid	process
1724	timeout.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43	85c122363fe6ee91cdcdf8c3d307b75d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	85c122363fe6ee91cdcdf8c3d307b75d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	85c122363fe6ee91cdcdf8c3d307b75d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	85c122363fe6ee91cdcdf8c3d307b75d.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.exeWerFault.exe

pid	process
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1112 WerFault.exe

pid	process
1112	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.exeWerFault.exe85c122363fe6ee91cdcdf8c3d307b75d.exe

description	pid	process
Token: SeDebugPrivilege	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe
Token: SeDebugPrivilege	1112	WerFault.exe
Token: SeDebugPrivilege	1668	85c122363fe6ee91cdcdf8c3d307b75d.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

85c122363fe6ee91cdcdf8c3d307b75d.execmd.exe

description	pid	process	target process
PID 1748 wrote to memory of 1312	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	cmd.exe
PID 1748 wrote to memory of 1312	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	cmd.exe
PID 1748 wrote to memory of 1312	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	cmd.exe
PID 1748 wrote to memory of 1312	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	cmd.exe
PID 1312 wrote to memory of 1724	1312	cmd.exe	timeout.exe
PID 1312 wrote to memory of 1724	1312	cmd.exe	timeout.exe
PID 1312 wrote to memory of 1724	1312	cmd.exe	timeout.exe
PID 1312 wrote to memory of 1724	1312	cmd.exe	timeout.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1668	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	85c122363fe6ee91cdcdf8c3d307b75d.exe
PID 1748 wrote to memory of 1112	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	WerFault.exe
PID 1748 wrote to memory of 1112	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	WerFault.exe
PID 1748 wrote to memory of 1112	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	WerFault.exe
PID 1748 wrote to memory of 1112	1748	85c122363fe6ee91cdcdf8c3d307b75d.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\85c122363fe6ee91cdcdf8c3d307b75d.exe
"C:\Users\Admin\AppData\Local\Temp\85c122363fe6ee91cdcdf8c3d307b75d.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1724

C:\Users\Admin\AppData\Local\Temp\85c122363fe6ee91cdcdf8c3d307b75d.exe
"C:\Users\Admin\AppData\Local\Temp\85c122363fe6ee91cdcdf8c3d307b75d.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 1740
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
e82a56a7f575061934fa337954516da4

SHA1
ea748e7410f23ab759878ccf714ec4c940bb17a4

SHA256
d109e9f9026b132b74fa6c10b0392177207e4b63068ca1604aa54911f598462a

SHA512
5e315311885a41e8002134f900b5b8af33200e30913ed0002c2da03d0ef990178f61eae367dbd2d411450882b78328b7874be422daba3b7694db8e7a3603ca63

Download Submit
memory/1112-69-0x0000000000000000-mapping.dmp

Download
memory/1112-70-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/1312-63-0x0000000000000000-mapping.dmp

Download
memory/1668-66-0x000000000040C76E-mapping.dmp

Download
memory/1668-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1668-71-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/1724-64-0x0000000000000000-mapping.dmp

Download
memory/1748-59-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

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memory/1748-61-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

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memory/1748-62-0x0000000000AD0000-0x0000000000AF9000-memory.dmp

Filesize
164KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads