asyncrat | 6b09f1cfc05625cdd9c328e7ac8c67ade7fcc234cd0631999d8996b54c3da722

General

Target

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
Size

422KB
MD5

0ada41553c85e51d2323a64add3ec6de
SHA1

bef7bd18a545427bfb834e7650b02926e99181ab
SHA256

6b09f1cfc05625cdd9c328e7ac8c67ade7fcc234cd0631999d8996b54c3da722
SHA512

39c56c7fd174bbdf8cdb24c9cac8f0b5a9bf2415d85e0f5aacb82e86b0bdf3622bc1105ac5528f16db4553226052085144d9b258fbf180917e79d0bb63c2466e

Score

10^/10

asyncrat coreentity rat rezer0

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

C2

185.165.153.215:6606

Mutex

uqeolevmck

Attributes

aes_key
5eoiILw5GAY7OkbkZoi8uQvz2qpV60Nt
anti_detection
false
autorun
false
bdos
false
delay
sunday
host
185.165.153.215
hwid
1
install_file
install_folder
%AppData%
mutex
uqeolevmck
pastebin_config
null
port
6606
version
0.5.6D

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
behavioral2/memory/4636-6-0x00000000043B0000-0x00000000043B3000-memory.dmp	coreentity

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2168-11-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/2168-12-0x000000000040C60E-mapping.dmp	asyncrat

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral2/memory/4636-7-0x000000000A930000-0x000000000A943000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

description	pid	process	target process
PID 4636 set thread context of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.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
T1053

Processes:

schtasks.exe

pid process

440 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

pid process

4636 ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

description pid process

Token: SeDebugPrivilege 4636 ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

pid process

4636 ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
4636 ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

pid	process
440	schtasks.exe

pid	process
4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

description	pid	process
Token: SeDebugPrivilege	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

pid	process
4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

description	pid	process	target process
PID 4636 wrote to memory of 440	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	schtasks.exe
PID 4636 wrote to memory of 440	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	schtasks.exe
PID 4636 wrote to memory of 440	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	schtasks.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
PID 4636 wrote to memory of 2168	4636	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe	ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe

C:\Users\Admin\AppData\Local\Temp\ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
"C:\Users\Admin\AppData\Local\Temp\ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LDCESp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B06.tmp"
2⤵
- Creates scheduled task(s)
PID:440

C:\Users\Admin\AppData\Local\Temp\ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe
"{path}"
2⤵
PID:2168

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ULTITECJORO8368Ngdkdvk0cCe8TdQhhzpOK9.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B06.tmp
MD5
0d0ab56d8936ff894e452d51174369df

SHA1
ea0949e92de9354fe94dec774aa48f6aa9b836f4

SHA256
abb6d4dadf1994d102bd92faf9986edc1f1d5f2ed788aae0b87221fc14023dee

SHA512
8a1da50c2ca6ede6c11fd5458e76e1752f59b48659b2f87377a0505c4778f7762a140dc3d3649e7a4a30d35d4942078014880aa6ce08c210def7c0e42c35e70c

Download Submit
memory/440-9-0x0000000000000000-mapping.dmp

Download
memory/2168-14-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-12-0x000000000040C60E-mapping.dmp

Download
memory/2168-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4636-4-0x0000000006E60000-0x0000000006E61000-memory.dmp

Filesize
4KB

Download
memory/4636-8-0x000000000AA00000-0x000000000AA01000-memory.dmp

Filesize
4KB

Download
memory/4636-7-0x000000000A930000-0x000000000A943000-memory.dmp

Filesize
76KB

Download
memory/4636-6-0x00000000043B0000-0x00000000043B3000-memory.dmp

Filesize
12KB

Download
memory/4636-5-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

Filesize
4KB

Download
memory/4636-0-0x0000000073D60000-0x000000007444E000-memory.dmp

Filesize
6.9MB

Download
memory/4636-3-0x00000000072C0000-0x00000000072C1000-memory.dmp

Filesize
4KB

Download
memory/4636-1-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads