asyncrat | 202ebcf24cd4b6a4394e7dddd7ee98bceb9ac2b8c281e9f4610c7a93dafaa959

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 09:54

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General

Target

tmp.exe
Size

95KB
MD5

3c78cef4203a47012167be0877274540
SHA1

8fba278e3fbcfcf5dffc871a92aa0a5a382edda8
SHA256

202ebcf24cd4b6a4394e7dddd7ee98bceb9ac2b8c281e9f4610c7a93dafaa959
SHA512

009391e72b23e5fd963a09dc1a91db37b9b0815cea80311333c8c7f52cb0c43095cc29b60d7db145b49006b7c2fdcdfda31e52c8f6ceeb7085c4dc615b3fae66
SSDEEP

1536:9qs+NqLGlbG6jejoigI343Ywzi0Zb78ivombfexv0ujXyyed2jteulgS6pY:rqMOY3+zi0ZbYe1g0ujyzdvY

Score

10^/10

asyncrat redline sectoprat exodus discovery infostealer rat spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

Exodus

91.92.255.187:1334

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Exodus

91.92.255.187:4449

Mutex

ypyertvpyqfr

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
behavioral2/memory/3784-0-0x0000000000BC0000-0x0000000000BDE000-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
behavioral2/memory/3784-0-0x0000000000BC0000-0x0000000000BDE000-memory.dmp	family_sectoprat

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asdasd.exe	asyncrat
behavioral2/memory/2444-200-0x0000000000BC0000-0x0000000000BD8000-memory.dmp	asyncrat

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

tmp.exeasdasd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	asdasd.exe

Executes dropped EXE 2 IoCs

Processes:

asdasd.exechromeupdate.exe

pid process

2444 asdasd.exe
4680 chromeupdate.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

3040 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3920 timeout.exe

pid	process
2444	asdasd.exe
4680	chromeupdate.exe

pid	process
3040	schtasks.exe

pid	process
3920	timeout.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

tmp.exeasdasd.exechromeupdate.exe

pid	process
3784	tmp.exe
3784	tmp.exe
3784	tmp.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
2444	asdasd.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe
4680	chromeupdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exeasdasd.exechromeupdate.exe

description pid process

Token: SeDebugPrivilege 3784 tmp.exe
Token: SeDebugPrivilege 2444 asdasd.exe
Token: SeDebugPrivilege 4680 chromeupdate.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

chromeupdate.exe

pid process

4680 chromeupdate.exe

description	pid	process
Token: SeDebugPrivilege	3784	tmp.exe
Token: SeDebugPrivilege	2444	asdasd.exe
Token: SeDebugPrivilege	4680	chromeupdate.exe

pid	process
4680	chromeupdate.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exeasdasd.execmd.execmd.exe

description	pid	process	target process
PID 3784 wrote to memory of 2444	3784	tmp.exe	asdasd.exe
PID 3784 wrote to memory of 2444	3784	tmp.exe	asdasd.exe
PID 2444 wrote to memory of 2300	2444	asdasd.exe	cmd.exe
PID 2444 wrote to memory of 2300	2444	asdasd.exe	cmd.exe
PID 2444 wrote to memory of 452	2444	asdasd.exe	cmd.exe
PID 2444 wrote to memory of 452	2444	asdasd.exe	cmd.exe
PID 452 wrote to memory of 3920	452	cmd.exe	timeout.exe
PID 452 wrote to memory of 3920	452	cmd.exe	timeout.exe
PID 2300 wrote to memory of 3040	2300	cmd.exe	schtasks.exe
PID 2300 wrote to memory of 3040	2300	cmd.exe	schtasks.exe
PID 452 wrote to memory of 4680	452	cmd.exe	chromeupdate.exe
PID 452 wrote to memory of 4680	452	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\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784

C:\Users\Admin\AppData\Local\Temp\asdasd.exe
"C:\Users\Admin\AppData\Local\Temp\asdasd.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDF30.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Users\Admin\AppData\Roaming\chromeupdate.exe
"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4680

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:2300

C:\Windows\system32\timeout.exe
timeout 3
1⤵
- Delays execution with timeout.exe
PID:3920

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "chromeupdate" /tr '"C:\Users\Admin\AppData\Roaming\chromeupdate.exe"'
1⤵
- Creates scheduled task(s)
PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\asdasd.exe
Filesize
73KB

MD5
38312527c8f936445c85e7ddde36f420

SHA1
725a7f7522e907878eb84456ccb0424332b5cdd6

SHA256
3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb

SHA512
b748a3c76aaeefe29ca856ebbe49b7e316c992af399e6678bb43e0bef297e03cf0144b06cad64a9c46c6a2950e38036a07bd9e3dc23cc67f1b63702153fc38d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7130.tmp
Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7155.tmp
Filesize
92KB

MD5
02687bdd724237480b7a9065aa27a3ce

SHA1
585f0b1772fdab19ff1c669ff71cb33ed4e5589c

SHA256
9a535a05e405b789e9fdaf7eaf38e8673e4d0a8bd83768e72992282a69327d89

SHA512
f8ce4f6ad7211cbd17ba0cb574ac8f292727709479e059f4429a818d3b74dbe75d6e6f8cb5576b6bc7e3c1bd0b471127f0ddb38e816fad8aa44a77c15de7e6df

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7170.tmp
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7176.tmp
Filesize
20KB

MD5
49693267e0adbcd119f9f5e02adf3a80

SHA1
3ba3d7f89b8ad195ca82c92737e960e1f2b349df

SHA256
d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

SHA512
b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp717C.tmp
Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7198.tmp
Filesize
96KB

MD5
d367ddfda80fdcf578726bc3b0bc3e3c

SHA1
23fcd5e4e0e5e296bee7e5224a8404ecd92cf671

SHA256
0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0

SHA512
40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF30.tmp.bat
Filesize
156B

MD5
f7ed5b99bfe2cf1011cab9cf48991140

SHA1
3458862d4b5f02f334b43421776030e19c4648d8

SHA256
129610f61cd2726e6981b79d9543a1396d15e18679b5753997c6ca30ac9c04a4

SHA512
0f4243c58b992533b8d2aea7be65bd275605e60357d089400083695279606632eb53ef7adf7cba5b764c716d65443b6602ffef2d9e4d1c369d2c928a494b3d1e

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

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
memory/2444-208-0x00007FFB68DF0000-0x00007FFB68FE5000-memory.dmp

Filesize
2.0MB

Download
memory/2444-200-0x0000000000BC0000-0x0000000000BD8000-memory.dmp

Filesize
96KB

Download
memory/2444-209-0x00007FFB49130000-0x00007FFB49BF1000-memory.dmp

Filesize
10.8MB

Download
memory/2444-210-0x00007FFB68DF0000-0x00007FFB68FE5000-memory.dmp

Filesize
2.0MB

Download
memory/2444-203-0x000000001B8F0000-0x000000001B900000-memory.dmp

Filesize
64KB

Download
memory/2444-202-0x00007FFB49130000-0x00007FFB49BF1000-memory.dmp

Filesize
10.8MB

Download
memory/3784-188-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/3784-13-0x0000000007260000-0x00000000072D6000-memory.dmp

Filesize
472KB

Download
memory/3784-7-0x0000000005890000-0x000000000599A000-memory.dmp

Filesize
1.0MB

Download
memory/3784-6-0x0000000005620000-0x000000000566C000-memory.dmp

Filesize
304KB

Download
memory/3784-5-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/3784-4-0x00000000055E0000-0x000000000561C000-memory.dmp

Filesize
240KB

Download
memory/3784-187-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/3784-12-0x0000000006EA0000-0x0000000006F06000-memory.dmp

Filesize
408KB

Download
memory/3784-3-0x0000000005580000-0x0000000005592000-memory.dmp

Filesize
72KB

Download
memory/3784-9-0x00000000073D0000-0x00000000078FC000-memory.dmp

Filesize
5.2MB

Download
memory/3784-14-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/3784-8-0x0000000006CD0000-0x0000000006E92000-memory.dmp

Filesize
1.8MB

Download
memory/3784-0-0x0000000000BC0000-0x0000000000BDE000-memory.dmp

Filesize
120KB

Download
memory/3784-2-0x0000000005D20000-0x0000000006338000-memory.dmp

Filesize
6.1MB

Download
memory/3784-10-0x0000000007EB0000-0x0000000008454000-memory.dmp

Filesize
5.6MB

Download
memory/3784-11-0x0000000006F40000-0x0000000006FD2000-memory.dmp

Filesize
584KB

Download
memory/3784-221-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/3784-1-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4680-217-0x000000001B7C0000-0x000000001B7D0000-memory.dmp

Filesize
64KB

Download
memory/4680-218-0x00007FFB49080000-0x00007FFB49B41000-memory.dmp

Filesize
10.8MB

Download
memory/4680-219-0x000000001B7C0000-0x000000001B7D0000-memory.dmp

Filesize
64KB

Download
memory/4680-216-0x00007FFB49080000-0x00007FFB49B41000-memory.dmp

Filesize
10.8MB

Download