asyncrat | 79d7b0f170471f44ed6c07ddb4c4c9bb20c97235aef23ac052e692cb558a156d

General

Target

file.exe
Size

95KB
MD5

57935225dcb95b6ed9894d5d5e8b46a8
SHA1

1daf36a8db0b79be94a41d27183e4904a1340990
SHA256

79d7b0f170471f44ed6c07ddb4c4c9bb20c97235aef23ac052e692cb558a156d
SHA512

1b6362bdb7f6b177773357f5fe8e7d7ee44716fd8e63e663e446f4e204af581491d05345c12cd9cca91fd249383817da21ef2241011cdc251b7e299560ea48c0
SSDEEP

1536:9qskXqrzWBlbG6jejoigI343Ywzi0Zb78ivombfexv0ujXyyed2etmulgS6pY:rCgzWHY3+zi0ZbYe1g0ujyzdqY

Score

10^/10

asyncrat redline sectoprat default exodus discovery infostealer rat spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

Exodus

C2

93.123.39.68:1334

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

C2

93.123.39.68:4449

Mutex

kszghixltbdczq

Attributes

delay
1
install
true
install_file
chromeupdate.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2224-0-0x0000000000FF0000-0x000000000100E000-memory.dmp	family_redline

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2224-0-0x0000000000FF0000-0x000000000100E000-memory.dmp	family_sectoprat

Async RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\adasda.exe	asyncrat
behavioral1/memory/1136-133-0x0000000000A50000-0x0000000000A68000-memory.dmp	asyncrat
behavioral1/memory/1136-137-0x000000001AF90000-0x000000001B010000-memory.dmp	asyncrat
behavioral1/memory/2388-154-0x0000000000020000-0x0000000000038000-memory.dmp	asyncrat
behavioral1/memory/2388-157-0x000000001AB40000-0x000000001ABC0000-memory.dmp	asyncrat

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

adasda.exechromeupdate.exe

pid process

1136 adasda.exe
2388 chromeupdate.exe
Loads dropped DLL 1 IoCs

Processes:

file.exe

pid process

2224 file.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

696 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

584 timeout.exe

pid	process
1136	adasda.exe
2388	chromeupdate.exe

pid	process
696	schtasks.exe

pid	process
584	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

chromeupdate.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	chromeupdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	chromeupdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	chromeupdate.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

file.exeadasda.exechromeupdate.exe

pid	process
2224	file.exe
2224	file.exe
1136	adasda.exe
1136	adasda.exe
1136	adasda.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe
2388	chromeupdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

file.exeadasda.exechromeupdate.exe

description pid process

Token: SeDebugPrivilege 2224 file.exe
Token: SeDebugPrivilege 1136 adasda.exe
Token: SeDebugPrivilege 2388 chromeupdate.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

chromeupdate.exe

pid process

2388 chromeupdate.exe

description	pid	process
Token: SeDebugPrivilege	2224	file.exe
Token: SeDebugPrivilege	1136	adasda.exe
Token: SeDebugPrivilege	2388	chromeupdate.exe

pid	process
2388	chromeupdate.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

file.exeadasda.execmd.execmd.exe

description	pid	process	target process
PID 2224 wrote to memory of 1136	2224	file.exe	adasda.exe
PID 2224 wrote to memory of 1136	2224	file.exe	adasda.exe
PID 2224 wrote to memory of 1136	2224	file.exe	adasda.exe
PID 2224 wrote to memory of 1136	2224	file.exe	adasda.exe
PID 1136 wrote to memory of 1996	1136	adasda.exe	cmd.exe
PID 1136 wrote to memory of 1996	1136	adasda.exe	cmd.exe
PID 1136 wrote to memory of 1996	1136	adasda.exe	cmd.exe
PID 1136 wrote to memory of 580	1136	adasda.exe	cmd.exe
PID 1136 wrote to memory of 580	1136	adasda.exe	cmd.exe
PID 1136 wrote to memory of 580	1136	adasda.exe	cmd.exe
PID 1996 wrote to memory of 696	1996	cmd.exe	schtasks.exe
PID 1996 wrote to memory of 696	1996	cmd.exe	schtasks.exe
PID 1996 wrote to memory of 696	1996	cmd.exe	schtasks.exe
PID 580 wrote to memory of 584	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 584	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 584	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 2388	580	cmd.exe	chromeupdate.exe
PID 580 wrote to memory of 2388	580	cmd.exe	chromeupdate.exe
PID 580 wrote to memory of 2388	580	cmd.exe	chromeupdate.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224

C:\Users\Admin\AppData\Local\Temp\adasda.exe
"C:\Users\Admin\AppData\Local\Temp\adasda.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"'
4⤵
- Creates scheduled task(s)
PID:696

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF528.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\system32\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:584

C:\Users\Admin\AppData\Roaming\chromeupdate.exe
"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"
4⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
e76cebf4dd26ddd536677b45f07ea427

SHA1
781fe27f5c93aa1a5bfc2d21b30884f76ccdcbb5

SHA256
a8ba87cf53ba4a5b3b82c58f7674be0d71c432ff8648897c3dc0cc22b982d388

SHA512
a853e036a79d1f28174cc356fc0841789775987be5455361cd6f6142b114c4799d0005eb5f733951a78d79cc5caae3a2d9c4f403b60a852633f7fbf587359753

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC563.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC5A5.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCFF6.tmp
Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD03B.tmp
Filesize
92KB

MD5
c5ab22deca134f4344148b20687651f4

SHA1
c36513b27480dc2d134cefb29a44510a00ec988d

SHA256
1e9bd8064ca87d8441e2702005ef8df9a3647d5542740737abb8a70be7ec9512

SHA512
550f45132525e967d749106b9d3b114d17b066967527bfd5c66613d61b6f3995f87b0f3c09def19eed14b5b757f2501645b5103505d126f1dd66994f50e1257e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF528.tmp.bat
Filesize
156B

MD5
5bd2499f86af308f98297ee3e5b22d91

SHA1
cd55dab63a2ff1046a81ca13c3681e8dd6837f56

SHA256
22accf518950dbc11db911315b03cac1a82a2521129025f8f029b1ae0dae1f3f

SHA512
0fea25f6d7fb443fa6934b2f0a72581874c99be0e048bcd3e682faac51856b99d45ebbcd4c8e2d9d195a088cd5711e22ee28ec45bd6e788a8bcd3bbfef45b61c

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
\Users\Admin\AppData\Local\Temp\adasda.exe
Filesize
73KB

MD5
25b6389bbaa746df85d53714d4a6d477

SHA1
86e6443e902f180f32fb434e06ecf45d484582e3

SHA256
4b02692bf468a164e333bbfc961c5974d0a95009a72ea8bff2e9cb677eae4f56

SHA512
6ad22c119b548f0e8ed5adb6c9f48c33b356340a7309c8185bec817f2562ae99760ff79e131c89bce2be122b6385bee610704f37edb7f1656a1b9d4782a1fcf4

Download Submit
memory/1136-133-0x0000000000A50000-0x0000000000A68000-memory.dmp

Filesize
96KB

Download
memory/1136-135-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/1136-137-0x000000001AF90000-0x000000001B010000-memory.dmp

Filesize
512KB

Download
memory/1136-150-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/1136-148-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

Download
memory/1136-139-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

Download
memory/2224-138-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-136-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-2-0x0000000000F40000-0x0000000000F80000-memory.dmp

Filesize
256KB

Download
memory/2224-0-0x0000000000FF0000-0x000000000100E000-memory.dmp

Filesize
120KB

Download
memory/2388-154-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/2388-156-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

Filesize
9.9MB

Download
memory/2388-157-0x000000001AB40000-0x000000001ABC0000-memory.dmp

Filesize
512KB

Download
memory/2388-158-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

Download
memory/2388-237-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

Filesize
9.9MB

Download
memory/2388-256-0x000000001AB40000-0x000000001ABC0000-memory.dmp

Filesize
512KB

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memory/2388-275-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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