asyncrat | 899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84

General

Target

899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
Size

385KB
MD5

2a51a997488380da1de20ea4d0050be9
SHA1

27e0c00423195325b5f38cc7060bc4060b520969
SHA256

899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84
SHA512

64cbb33704c4be470be12087a1bd76d4fa32d1b5814afa6afa1429ab574ed2cae7bcf5743cad1668be584271281028b81ca2a1f408555bf2ce5977a8d82d2086

Score

10^/10

asyncrat 5 coreentity rat rezer0

Malware Config

Extracted

Family

asyncrat

Version

0.5.6B

Botnet

5

C2

moveforme.ug:6970

xafsavxcfdgbdsfg.ru:6970

Mutex

tralala

Attributes

delay
0
install
false
install_file
dllhost.exe
install_folder
%AppData%

aes.plain

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/364-57-0x00000000005B0000-0x00000000005B8000-memory.dmp	coreentity

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2044-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2044-71-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2044-69-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2044-67-0x000000000040C19E-mapping.dmp	asyncrat
behavioral1/memory/2044-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2044-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/364-58-0x0000000000970000-0x0000000000988000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe

description	pid	process	target process
PID 364 set thread context of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe

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

Processes:

schtasks.exe

pid process

992 schtasks.exe

pid	process
992	schtasks.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe

description	pid	process	target process
PID 364 wrote to memory of 992	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	schtasks.exe
PID 364 wrote to memory of 992	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	schtasks.exe
PID 364 wrote to memory of 992	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	schtasks.exe
PID 364 wrote to memory of 992	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	schtasks.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
PID 364 wrote to memory of 2044	364	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe	899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe

C:\Users\Admin\AppData\Local\Temp\899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
"C:\Users\Admin\AppData\Local\Temp\899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ptphWBVV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48D4.tmp"
2⤵
- Creates scheduled task(s)
PID:992

C:\Users\Admin\AppData\Local\Temp\899add4d120b60a2dad900062baabfc70d6cbb616d9f4a784e850197f580fa84.exe
"{path}"
2⤵
PID:2044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp48D4.tmp
Filesize
1KB

MD5
bc443ebde606af6402a19a3062a62963

SHA1
7e541ff7e18b3b70c944ca79ea2144c4faba8866

SHA256
84498ff80d0de2f78e9bd01b81c9c6d06132d7a1c74304d397775088dae983ec

SHA512
2588c30649ca742af747c8c15353e9de75e7096f8585c141ce246d0c751632050765880e31b21350ac5b6f2792368b4fcf0511db266817a9ee9456791007532d

Download Submit
memory/364-54-0x0000000000DD0000-0x0000000000E36000-memory.dmp

Filesize
408KB

Download
memory/364-55-0x00000000001E0000-0x00000000001FA000-memory.dmp

Filesize
104KB

Download
memory/364-56-0x00000000752A1000-0x00000000752A3000-memory.dmp

Filesize
8KB

Download
memory/364-57-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/364-58-0x0000000000970000-0x0000000000988000-memory.dmp

Filesize
96KB

Download
memory/992-59-0x0000000000000000-mapping.dmp

Download
memory/2044-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-71-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-69-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-67-0x000000000040C19E-mapping.dmp

Download
memory/2044-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2044-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads