asyncrat | 7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099

General

Target

7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe
Size

636KB
MD5

f4e6aa4825c73359afc52772141b9ba0
SHA1

0e1cb4c1892e31dcd8969619258e80eef17193b4
SHA256

7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099
SHA512

98f93c31fa813bf4fbafdd58a0b179d744f782a86be5628a464b66fa8119be9fe8969034b38bcf7460afba29d3ec5eb594892f36674d0e3d4780e05cefebbdde
SSDEEP

12288:eBjETYUIkLlp2arppSA0ckNMp3S/9aRCdd:9TYUIklpZPGypu9bdd

Score

10^/10

asyncrat purelogs zgrat persistence rat stealer

Malware Config

Signatures

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

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral2/memory/3356-1-0x0000000000740000-0x00000000007E0000-memory.dmp	family_purelogs

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/1732-11-0x0000000000400000-0x000000000041A000-memory.dmp	family_zgrat_v1

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1732-11-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat

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-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Krloonpzeah = "C:\\Users\\Admin\\AppData\\Roaming\\Krloonpzeah.exe"	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3356 set thread context of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe
Token: SeDebugPrivilege	1732	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92
PID 3356 wrote to memory of 1732	3356	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	92

C:\Users\Admin\AppData\Local\Temp\7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe
"C:\Users\Admin\AppData\Local\Temp\7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1732

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1732-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1732-20-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/1732-19-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/1732-18-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/1732-17-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/1732-16-0x0000000002B20000-0x0000000002B2A000-memory.dmp

Filesize
40KB

Download
memory/1732-15-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/1732-14-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/3356-4-0x00000000051D0000-0x0000000005204000-memory.dmp

Filesize
208KB

Download
memory/3356-9-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/3356-8-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/3356-13-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/3356-7-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/3356-6-0x0000000005250000-0x000000000529C000-memory.dmp

Filesize
304KB

Download
memory/3356-5-0x0000000005220000-0x0000000005254000-memory.dmp

Filesize
208KB

Download
memory/3356-1-0x0000000000740000-0x00000000007E0000-memory.dmp

Filesize
640KB

Download
memory/3356-3-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/3356-2-0x0000000005180000-0x00000000051CC000-memory.dmp

Filesize
304KB

Download
memory/3356-0-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads