asyncrat | cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1

General

Target

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe
Size

312KB
MD5

e807896c804f70ab207bc75bf293d9bb
SHA1

d16108b1bc2d3e936f8f30ae897d38c1a4cdaf1e
SHA256

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1
SHA512

0c7e370978fd1aa12f7f1ae5d3ce0bd52aa03ce2ab81017baef830b4c8d5b47357b37e12db79747d763826f1bec2f907eac5eaf3281a2b3274c0f2e15bd96651
SSDEEP

6144:G9In5IRkTy7AfhhNNB4qjmhKV6oWfoSEtu1itWpNSn40X8tgrsu5:tiRkrJhNNBFjmsh2oSsWpNRLu5

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

mnbvclhg.duckdns.org:8026

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/560-56-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/560-57-0x000000000040CBBE-mapping.dmp	asyncrat
behavioral1/memory/560-59-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/560-61-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\0F82A67FB0A54A9688E8A9DBB3679942 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe\""	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe

description	pid	process	target process
PID 1976 set thread context of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe
Token: SeDebugPrivilege	560	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe

description	pid	process	target process
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe
PID 1976 wrote to memory of 560	1976	cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe
"C:\Users\Admin\AppData\Local\Temp\cb714a88554c55d7bf123dd8ba8940afe819e9eaaf18fc8a6e2cc404f7af0cd1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/560-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/560-57-0x000000000040CBBE-mapping.dmp

Download
memory/560-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/560-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/560-62-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1976-54-0x0000000001160000-0x00000000011B2000-memory.dmp

Filesize
328KB

Download
memory/1976-55-0x0000000000140000-0x0000000000190000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads