asyncrat | 46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339

General

Target

46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe
Size

89KB
MD5

12de70d06ed65680914d061347ac1f95
SHA1

14023e1ed46236cbfb463ddccd6345caa3c14d54
SHA256

46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339
SHA512

7d6a20b0e9d6c5db0177e08f197f7858aa8000097c5eb2fa7a2b3d2181fefb53760efacd7fcba32d481193eee547162ac22b08b8e8777b68fc1597dec12db67f
SSDEEP

1536:EGjb5BKhaUxo6TRMinLvIbzV6A2SYzEOV4c7rei1:EGjb5IJxZTLnL4aSY4OVDui

Score

10^/10

asyncrat phemedrone default rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

103.249.112.118:8848

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Extracted

Family

phemedrone

C2

http://77.221.151.42/dashboard/gate.php

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone
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
Downloads MZ/PE file

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	ipinfo.io
11	ipinfo.io

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1476 set thread context of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 3168 set thread context of 2772	3168	xUUNwWsq.exe	86

Executes dropped EXE 3 IoCs

pid	Process
1896	Accounts_Ledger_Software.eXE
3168	xUUNwWsq.exe
3396	Accounts_Ledger_Software.eXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	RegAsm.exe

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

pid	Process
4436	SCHtAsKs.EXe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe
1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe
1896	Accounts_Ledger_Software.eXE
1896	Accounts_Ledger_Software.eXE
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
2772	RegAsm.exe
3396	Accounts_Ledger_Software.eXE
3396	Accounts_Ledger_Software.eXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe
Token: SeDebugPrivilege	4792	aspnet_compiler.exe
Token: SeDebugPrivilege	1896	Accounts_Ledger_Software.eXE
Token: SeDebugPrivilege	3168	xUUNwWsq.exe
Token: SeDebugPrivilege	2772	RegAsm.exe
Token: SeDebugPrivilege	3396	Accounts_Ledger_Software.eXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 4436	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	79
PID 1476 wrote to memory of 4436	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	79
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 1476 wrote to memory of 4792	1476	46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe	82
PID 4792 wrote to memory of 3168	4792	aspnet_compiler.exe	85
PID 4792 wrote to memory of 3168	4792	aspnet_compiler.exe	85
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86
PID 3168 wrote to memory of 2772	3168	xUUNwWsq.exe	86

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\46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe
"C:\Users\Admin\AppData\Local\Temp\46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\SYSTEM32\SCHtAsKs.EXe
  "SCHtAsKs.EXe" /create /tn WindowsUpdates /TR 'C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE' /du 9999:59 /sc daily /ri 1
  2⤵
  - Creates scheduled task(s)
  PID:4436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Users\Admin\AppData\Local\Temp\xUUNwWsq.exe
    "C:\Users\Admin\AppData\Local\Temp\xUUNwWsq.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3168
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2772

C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2840

C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Accounts_Ledger_Software.eXE.log

Filesize
660B

MD5
284393596fdd49bebd7b861bf339b82d

SHA1
a36767dfc423b3c7fd3ff439b616862743a053c8

SHA256
0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5

SHA512
8d3247ee0c3bf9a9fceea23eb5c646dbd8b3d954f4d62622f49070629e642d6a13bfb0d27949e2355c081d45f5a1101f05a9972782a0f0a478ed90f551d2efeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\xUUNwWsq.exe

Filesize
89KB

MD5
421c40695b1537b040830d13b7b860d8

SHA1
a63377c184c808116f7c192cd7c5f4dd763a77d3

SHA256
a48ed05b6c117fd2ecf7c9bbf17ae3253e6aab133cdd4a06da54298635a136a5

SHA512
27564661871e700fea1ef7e2d28e739e32a0c580323fbb42c5139a64b68afffae7ac9445eb7d304502b22bacb64c611a05392a19a59a4b30ddd4bad1aa59e2f0

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE

Filesize
89KB

MD5
12de70d06ed65680914d061347ac1f95

SHA1
14023e1ed46236cbfb463ddccd6345caa3c14d54

SHA256
46b90cce656efe63bc33b585581c2cafd25778f2854a334f0421d219ed17b339

SHA512
7d6a20b0e9d6c5db0177e08f197f7858aa8000097c5eb2fa7a2b3d2181fefb53760efacd7fcba32d481193eee547162ac22b08b8e8777b68fc1597dec12db67f

Download Submit
memory/1476-0-0x0000000000F70000-0x0000000000F8A000-memory.dmp

Filesize
104KB

Download
memory/1476-2-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/1476-3-0x000000001BE40000-0x000000001BE50000-memory.dmp

Filesize
64KB

Download
memory/1476-4-0x000000001BDA0000-0x000000001BDDC000-memory.dmp

Filesize
240KB

Download
memory/1476-5-0x00000000033B0000-0x00000000033B1000-memory.dmp

Filesize
4KB

Download
memory/1476-8-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/1896-22-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/1896-23-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/2772-49-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/2772-43-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2772-46-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/2772-47-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/2772-48-0x0000000005690000-0x0000000005722000-memory.dmp

Filesize
584KB

Download
memory/2772-52-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/3168-41-0x000000001BDB0000-0x000000001BDC0000-memory.dmp

Filesize
64KB

Download
memory/3168-39-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/3168-45-0x00007FFC56F10000-0x00007FFC579D2000-memory.dmp

Filesize
10.8MB

Download
memory/3168-38-0x0000000000F00000-0x0000000000F1A000-memory.dmp

Filesize
104KB

Download
memory/3396-54-0x00007FFC56C50000-0x00007FFC57712000-memory.dmp

Filesize
10.8MB

Download
memory/3396-53-0x00007FFC56C50000-0x00007FFC57712000-memory.dmp

Filesize
10.8MB

Download
memory/4792-15-0x0000000005E00000-0x00000000063A6000-memory.dmp

Filesize
5.6MB

Download
memory/4792-17-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/4792-16-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/4792-24-0x0000000000FC0000-0x0000000001036000-memory.dmp

Filesize
472KB

Download
memory/4792-18-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/4792-14-0x0000000005510000-0x00000000055AC000-memory.dmp

Filesize
624KB

Download
memory/4792-11-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/4792-10-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/4792-9-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/4792-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4792-26-0x0000000000FA0000-0x0000000000FBE000-memory.dmp

Filesize
120KB

Download
memory/4792-25-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads