asyncrat | cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181

General

Target

JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe
Size

1.3MB
MD5

c59d7f337636c78922afc92241bca86e
SHA1

2712b3245ff84f49e72dde931f71d54a05539770
SHA256

cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181
SHA512

7526e6f6a6acc7b8baa16fec29e8c7ba05b5b1049f2951ef44489251b00e2c969e92d9c42c9b5be3ce273f6a42feebcba8605bcff068b7309e79b6801d5f57a7
SSDEEP

12288:yrnjoa5ynWZQzjFeM6DJOjB9sTTHyzhYxwEf4N1gd2vnjc+Wk7pY9gfEqCO:VnYQb6VOp6wYQFEw

Score

10^/10

asyncrat default discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

carlosmenguallora09.duckdns.org:1994

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xvkclzqcdjb\\chrome.exe\""	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3040	powershell.exe
3040	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe
Token: SeDebugPrivilege	232	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 3040	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	82
PID 1084 wrote to memory of 3040	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	82
PID 1084 wrote to memory of 3040	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	82
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89
PID 1084 wrote to memory of 232	1084	JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3040
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_omc0wwjt.nnl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/232-37-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/232-36-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/232-33-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1084-26-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1084-5-0x00000000058D0000-0x00000000058F2000-memory.dmp

Filesize
136KB

Download
memory/1084-6-0x0000000005900000-0x0000000005C54000-memory.dmp

Filesize
3.3MB

Download
memory/1084-1-0x00000000004E0000-0x0000000000632000-memory.dmp

Filesize
1.3MB

Download
memory/1084-35-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1084-2-0x0000000004F80000-0x0000000005026000-memory.dmp

Filesize
664KB

Download
memory/1084-3-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1084-27-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1084-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1084-4-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/3040-23-0x0000000005F10000-0x0000000005F5C000-memory.dmp

Filesize
304KB

Download
memory/3040-22-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

Filesize
120KB

Download
memory/3040-24-0x0000000007560000-0x0000000007BDA000-memory.dmp

Filesize
6.5MB

Download
memory/3040-25-0x00000000063F0000-0x000000000640A000-memory.dmp

Filesize
104KB

Download
memory/3040-17-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/3040-11-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/3040-28-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3040-31-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3040-10-0x0000000005080000-0x00000000056A8000-memory.dmp

Filesize
6.2MB

Download
memory/3040-9-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3040-8-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3040-7-0x0000000002920000-0x0000000002956000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads