asyncrat | c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9

General

Target
NewProject-9072551776254517715425441524255614.exe
Size 412KB
Sample210903-ds2n2abhh6
SHA256 c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9
MD5 ec5f4f296db46e34b3b93e029259ac48
SHA1 20c065acae20ea619ede0d2c5e47b4caef93851f
SHA512 929d86dfcd4c505683ca724e77d0759d8f89d6c1a82d8968c7eb7d3328b27e143b7ffb1499ecf0da58d92c1d64b1a9bc3692a76f00276d7da0781d35e9f38af0
MD5 SHA1 SHA512

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

null:null

Mutex

chizzy25!@/@!7^UPCAZWSWAzZ!@@77()@yzY!

Attributes

aes_key
V6B3WWm7AeoSBJ7kmpBg5fHkLw9ZLNYZ
anti_detection
false
autorun
false
bdos
false
delay
ALIENCRYPTERLOGS
host
null
hwid
3
install_file
install_folder
%AppData%
mutex
chizzy25!@/@!7^UPCAZWSWAzZ!@@77()@yzY!
pastebin_config
https://pastebin.com/raw/xD5XgxCh
port
null
version
0.5.7B

aes.plain

Signatures

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

Async RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2148-122-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/2148-123-0x000000000040D0CE-mapping.dmp	asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2176	oraclecorporation.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

T1053

pid	Process
2236	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	NewProject-9072551776254517715425441524255614.exe
Token: SeDebugPrivilege	2148	RegAsm.exe
Token: SeDebugPrivilege	2176	oraclecorporation.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 2148	4020	NewProject-9072551776254517715425441524255614.exe	80
PID 4020 wrote to memory of 1084	4020	NewProject-9072551776254517715425441524255614.exe	82
PID 4020 wrote to memory of 1084	4020	NewProject-9072551776254517715425441524255614.exe	82
PID 4020 wrote to memory of 1084	4020	NewProject-9072551776254517715425441524255614.exe	82
PID 4020 wrote to memory of 4056	4020	NewProject-9072551776254517715425441524255614.exe	83
PID 4020 wrote to memory of 4056	4020	NewProject-9072551776254517715425441524255614.exe	83
PID 4020 wrote to memory of 4056	4020	NewProject-9072551776254517715425441524255614.exe	83
PID 1084 wrote to memory of 2236	1084	cmd.exe	86
PID 1084 wrote to memory of 2236	1084	cmd.exe	86
PID 1084 wrote to memory of 2236	1084	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\NewProject-9072551776254517715425441524255614.exe
"C:\Users\Admin\AppData\Local\Temp\NewProject-9072551776254517715425441524255614.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\oraclecorporation\oraclecorporation.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\oraclecorporation\oraclecorporation.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:2236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\NewProject-9072551776254517715425441524255614.exe" "C:\Users\Admin\AppData\Roaming\oraclecorporation\oraclecorporation.exe"
  2⤵
  PID:4056

C:\Users\Admin\AppData\Roaming\oraclecorporation\oraclecorporation.exe
C:\Users\Admin\AppData\Roaming\oraclecorporation\oraclecorporation.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

memory/2148-127-0x0000000005F70000-0x0000000005F71000-memory.dmp

Download

memory/2148-122-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/2148-126-0x00000000054D0000-0x00000000054D1000-memory.dmp

Download

memory/2176-141-0x0000000004EF0000-0x00000000053EE000-memory.dmp

Download

memory/2176-135-0x0000000001000000-0x0000000001001000-memory.dmp

Download

memory/4020-121-0x0000000004840000-0x00000000048D2000-memory.dmp

Download

memory/4020-115-0x0000000000330000-0x0000000000331000-memory.dmp

Download

memory/4020-120-0x0000000004A80000-0x0000000004A81000-memory.dmp

Download

memory/4020-119-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Download

memory/4020-118-0x0000000004930000-0x0000000004931000-memory.dmp

Download

memory/4020-117-0x0000000004E30000-0x0000000004E31000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads