asyncrat | 4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1

General

Target

4661d321d22ead59aa1dcf7805b9680e.exe
Size

156KB
MD5

4661d321d22ead59aa1dcf7805b9680e
SHA1

0e87ec191765cbb62e9103e4cebc754314002e7d
SHA256

4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1
SHA512

33d35b16524a010dbb08155708a9a6ed217d677ad4121e84131a1e1c59cd5fc0baa1f9dc1289bcc57e63be7dbc271d82008080a9acc8a30ba9fee10a4f511832
SSDEEP

3072:O6HomkMh4smo4GvX9m7+VBe16y71T+w/2FbM44:3+obvtIZIy7Wl

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

xxxprofxxx.dnsdojo.com:5126

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 10 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1096-59-0x0000000000400000-0x0000000000414000-memory.dmp	asyncrat
behavioral1/memory/1096-60-0x0000000000400000-0x0000000000414000-memory.dmp	asyncrat
behavioral1/memory/1096-61-0x0000000000400000-0x0000000000414000-memory.dmp	asyncrat
behavioral1/memory/1096-62-0x000000000040FDEE-mapping.dmp	asyncrat
behavioral1/memory/1096-64-0x0000000000400000-0x0000000000414000-memory.dmp	asyncrat
behavioral1/memory/1096-66-0x0000000000400000-0x0000000000414000-memory.dmp	asyncrat
behavioral1/memory/1356-83-0x000000000040FDEE-mapping.dmp	asyncrat
behavioral1/memory/1356-86-0x00000000000B0000-0x00000000000C4000-memory.dmp	asyncrat
behavioral1/memory/1356-90-0x00000000000B0000-0x00000000000C4000-memory.dmp	asyncrat
behavioral1/memory/1356-93-0x00000000000B0000-0x00000000000C4000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

EregData.exeEregData.exe

pid process

1388 EregData.exe
1356 EregData.exe

pid	process
1388	EregData.exe
1356	EregData.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

4661d321d22ead59aa1dcf7805b9680e.exeEregData.exe

description	pid	process	target process
PID 2040 set thread context of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 1388 set thread context of 1356	1388	EregData.exe	EregData.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1764 schtasks.exe
1556 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4661d321d22ead59aa1dcf7805b9680e.exe

pid process

1096 4661d321d22ead59aa1dcf7805b9680e.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4661d321d22ead59aa1dcf7805b9680e.exe

description pid process

Token: SeDebugPrivilege 1096 4661d321d22ead59aa1dcf7805b9680e.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4661d321d22ead59aa1dcf7805b9680e.exe

pid process

1096 4661d321d22ead59aa1dcf7805b9680e.exe

pid	process
1764	schtasks.exe
1556	schtasks.exe

pid	process
1096	4661d321d22ead59aa1dcf7805b9680e.exe

description	pid	process
Token: SeDebugPrivilege	1096	4661d321d22ead59aa1dcf7805b9680e.exe

pid	process
1096	4661d321d22ead59aa1dcf7805b9680e.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

4661d321d22ead59aa1dcf7805b9680e.execmd.exetaskeng.exeEregData.execmd.exe

description	pid	process	target process
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1096	2040	4661d321d22ead59aa1dcf7805b9680e.exe	4661d321d22ead59aa1dcf7805b9680e.exe
PID 2040 wrote to memory of 1900	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1900	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1900	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1900	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1304	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1304	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1304	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 1304	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 436	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 436	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 436	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 2040 wrote to memory of 436	2040	4661d321d22ead59aa1dcf7805b9680e.exe	cmd.exe
PID 1304 wrote to memory of 1764	1304	cmd.exe	schtasks.exe
PID 1304 wrote to memory of 1764	1304	cmd.exe	schtasks.exe
PID 1304 wrote to memory of 1764	1304	cmd.exe	schtasks.exe
PID 1304 wrote to memory of 1764	1304	cmd.exe	schtasks.exe
PID 1812 wrote to memory of 1388	1812	taskeng.exe	EregData.exe
PID 1812 wrote to memory of 1388	1812	taskeng.exe	EregData.exe
PID 1812 wrote to memory of 1388	1812	taskeng.exe	EregData.exe
PID 1812 wrote to memory of 1388	1812	taskeng.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 1356	1388	EregData.exe	EregData.exe
PID 1388 wrote to memory of 544	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 544	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 544	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 544	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 768	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 768	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 768	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 768	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 1948	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 1948	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 1948	1388	EregData.exe	cmd.exe
PID 1388 wrote to memory of 1948	1388	EregData.exe	cmd.exe
PID 768 wrote to memory of 1556	768	cmd.exe	schtasks.exe
PID 768 wrote to memory of 1556	768	cmd.exe	schtasks.exe
PID 768 wrote to memory of 1556	768	cmd.exe	schtasks.exe
PID 768 wrote to memory of 1556	768	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\4661d321d22ead59aa1dcf7805b9680e.exe
"C:\Users\Admin\AppData\Local\Temp\4661d321d22ead59aa1dcf7805b9680e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\4661d321d22ead59aa1dcf7805b9680e.exe
"C:\Users\Admin\AppData\Local\Temp\4661d321d22ead59aa1dcf7805b9680e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1096

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\EregData"
2⤵
PID:1900

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\EregData\EregData.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\EregData\EregData.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1764

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\4661d321d22ead59aa1dcf7805b9680e.exe" "C:\Users\Admin\AppData\Roaming\EregData\EregData.exe"
2⤵
PID:436

C:\Windows\system32\taskeng.exe
taskeng.exe {8F8959BB-EBC9-4F6F-8D79-AE84A057DD75} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Users\Admin\AppData\Roaming\EregData\EregData.exe
C:\Users\Admin\AppData\Roaming\EregData\EregData.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Roaming\EregData\EregData.exe
"C:\Users\Admin\AppData\Roaming\EregData\EregData.exe"
3⤵
- Executes dropped EXE
PID:1356

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\EregData"
3⤵
PID:544

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\EregData\EregData.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:768

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\EregData\EregData.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1556

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\EregData\EregData.exe" "C:\Users\Admin\AppData\Roaming\EregData\EregData.exe"
3⤵
PID:1948

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\Roaming\EregData\EregData.exe
Filesize
156KB

MD5
4661d321d22ead59aa1dcf7805b9680e

SHA1
0e87ec191765cbb62e9103e4cebc754314002e7d

SHA256
4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1

SHA512
33d35b16524a010dbb08155708a9a6ed217d677ad4121e84131a1e1c59cd5fc0baa1f9dc1289bcc57e63be7dbc271d82008080a9acc8a30ba9fee10a4f511832

Download Submit
C:\Users\Admin\AppData\Roaming\EregData\EregData.exe
Filesize
156KB

MD5
4661d321d22ead59aa1dcf7805b9680e

SHA1
0e87ec191765cbb62e9103e4cebc754314002e7d

SHA256
4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1

SHA512
33d35b16524a010dbb08155708a9a6ed217d677ad4121e84131a1e1c59cd5fc0baa1f9dc1289bcc57e63be7dbc271d82008080a9acc8a30ba9fee10a4f511832

Download Submit
C:\Users\Admin\AppData\Roaming\EregData\EregData.exe
Filesize
156KB

MD5
4661d321d22ead59aa1dcf7805b9680e

SHA1
0e87ec191765cbb62e9103e4cebc754314002e7d

SHA256
4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1

SHA512
33d35b16524a010dbb08155708a9a6ed217d677ad4121e84131a1e1c59cd5fc0baa1f9dc1289bcc57e63be7dbc271d82008080a9acc8a30ba9fee10a4f511832

Download Submit
memory/436-69-0x0000000000000000-mapping.dmp

Download
memory/544-94-0x0000000000000000-mapping.dmp

Download
memory/768-95-0x0000000000000000-mapping.dmp

Download
memory/1096-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1096-62-0x000000000040FDEE-mapping.dmp

Download
memory/1304-68-0x0000000000000000-mapping.dmp

Download
memory/1356-83-0x000000000040FDEE-mapping.dmp

Download
memory/1356-93-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/1356-90-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/1356-86-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/1388-75-0x0000000000060000-0x000000000008E000-memory.dmp

Filesize
184KB

Download
memory/1388-73-0x0000000000000000-mapping.dmp

Download
memory/1556-97-0x0000000000000000-mapping.dmp

Download
memory/1764-70-0x0000000000000000-mapping.dmp

Download
memory/1900-67-0x0000000000000000-mapping.dmp

Download
memory/1948-96-0x0000000000000000-mapping.dmp

Download
memory/2040-55-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/2040-54-0x00000000008B0000-0x00000000008DE000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads