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
behavioral1/memory/1968-0-0x0000000000B50000-0x0000000000BF0000-memory.dmp	family_purelogs

Detect ZGRat V1 5 IoCs

resource	yara_rule
behavioral1/memory/2320-14-0x0000000000400000-0x000000000041A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2320-16-0x0000000000400000-0x000000000041A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2320-20-0x0000000000400000-0x000000000041A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2320-23-0x0000000000400000-0x000000000041A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2320-25-0x0000000000400000-0x000000000041A000-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 6 IoCs

rat

resource	yara_rule
behavioral1/memory/2320-14-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/2320-16-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/2320-20-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/2320-23-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/2320-25-0x0000000000400000-0x000000000041A000-memory.dmp	asyncrat
behavioral1/memory/2320-47-0x0000000000210000-0x0000000000250000-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-1-5-21-1861898231-3446828954-4278112889-1000\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 1968 set thread context of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe
Token: SeDebugPrivilege	2320	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30
PID 1968 wrote to memory of 2320	1968	7491fe50fef18bbe9d219ef65e449723f0606f447283c744e03ace013c936099.exe	30

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:1968
- 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:2320

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

Replay Monitor

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Downloads

memory/1968-0-0x0000000000B50000-0x0000000000BF0000-memory.dmp

Filesize
640KB

Download
memory/1968-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1968-2-0x0000000000630000-0x000000000067C000-memory.dmp

Filesize
304KB

Download
memory/1968-3-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/1968-4-0x00000000005B0000-0x00000000005E4000-memory.dmp

Filesize
208KB

Download
memory/1968-5-0x00000000004B0000-0x00000000004E4000-memory.dmp

Filesize
208KB

Download
memory/1968-6-0x0000000000680000-0x00000000006CC000-memory.dmp

Filesize
304KB

Download
memory/1968-7-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1968-8-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/1968-22-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-20-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-23-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-25-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-26-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-27-0x0000000000210000-0x0000000000250000-memory.dmp

Filesize
256KB

Download
memory/2320-45-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/2320-46-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-47-0x0000000000210000-0x0000000000250000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads