asyncrat | 936e7284dd129497ccc0cc9cf59e35792870072bbf624d3074966b577645f360

General

Target

Simo_Inquiry_FOB_Order_9820_xlsx.exe
Size

364KB
MD5

0342184cac9b2ca27c3a3c31d6023e03
SHA1

5b197ff923279eff595c2fb98864e1412f9832a9
SHA256

ce9c44c710e184c6c140c81ea6c358e0d0455443c008ea5279fe031317c2879f
SHA512

3775f5ab5f606ac22bc75b19120d26f6ec388b7f266d626f18dae53bd6ddd80457da531349c5607b476998d08c265365818dd6fdd5c62e705b83e6511ec36f42

Score

10^/10

asyncrat god's mercy rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

GOD'S MERCY

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/reQxa5Ah

aes.plain

Signatures

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

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/988-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/988-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/988-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/988-67-0x000000000040C76E-mapping.dmp	asyncrat
behavioral1/memory/988-69-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/988-71-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

Simo_Inquiry_FOB_Order_9820_xlsx.exe

description pid process target process

PID 296 set thread context of 988 296 Simo_Inquiry_FOB_Order_9820_xlsx.exe MSBuild.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

1716 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 988 MSBuild.exe

description	pid	process	target process
PID 296 set thread context of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe

pid	process
1716	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	988	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Simo_Inquiry_FOB_Order_9820_xlsx.exe

description	pid	process	target process
PID 296 wrote to memory of 1716	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	schtasks.exe
PID 296 wrote to memory of 1716	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	schtasks.exe
PID 296 wrote to memory of 1716	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	schtasks.exe
PID 296 wrote to memory of 1716	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	schtasks.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe
PID 296 wrote to memory of 988	296	Simo_Inquiry_FOB_Order_9820_xlsx.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Simo_Inquiry_FOB_Order_9820_xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Simo_Inquiry_FOB_Order_9820_xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:296

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ACxnjoUC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD27C.tmp"
2⤵
- Creates scheduled task(s)
PID:1716

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:988

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

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD27C.tmp
Filesize
1KB

MD5
efc617cf4d03e4b3da59917e020d6f69

SHA1
b86a30c526655e56f1fa82d93947878f6dd16818

SHA256
8a522db751203254ab8d051f48b6f1608df949f3c1f26cc030ca5c3fe0213fba

SHA512
cba8717c13abba802ff3b74266efe05c3549a904e26c5ffc4298501140974d465ac5a7939f5eedffb7dfcc601df6730514e608db99ed8b3cb29d6a505edde9ae

Download Submit
memory/296-57-0x0000000000BA0000-0x0000000000BCA000-memory.dmp

Filesize
168KB

Download
memory/296-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/296-54-0x0000000001210000-0x0000000001270000-memory.dmp

Filesize
384KB

Download
memory/296-58-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

Filesize
72KB

Download
memory/296-56-0x0000000000350000-0x0000000000362000-memory.dmp

Filesize
72KB

Download
memory/988-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-67-0x000000000040C76E-mapping.dmp

Download
memory/988-69-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/988-71-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1716-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads