arrowrat | 41940020b7778a380f4d0907d4a95a8afe2108b3df3f7f73d7847d069ff29dcc

Analysis

max time kernel
130s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20-08-2023 22:08

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General

Target

PandoraClient.exe
Size

138KB
MD5

4649bb4b0cb232966683c589150ff119
SHA1

d2165c3988dc382fbf1bfec9828f323a9ac9282b
SHA256

41940020b7778a380f4d0907d4a95a8afe2108b3df3f7f73d7847d069ff29dcc
SHA512

72061b043678530ab19d6d3438c5cfe9e0d1b653899292191e11dc9bae1b70401ca053cc146d9bd3cdae60a28e8451c552f3b880651bfd7cd3531cb2e491d4f9
SSDEEP

3072:qbvR5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/Yn:qbv/S7BqjjYHdrqkL/

Score

10^/10

arrowrat client persistence rat

Malware Config

Extracted

Family

arrowrat

Botnet

Client

pandoravnc.duckdns.org:4046

Mutex

QMcrubGGd

Signatures

ArrowRat
Remote access tool with various capabilities first seen in late 2021.
rat arrowrat

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe
2160	PandoraClient.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	PandoraClient.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe
Token: SeShutdownPrivilege	2100	explorer.exe

Suspicious use of FindShellTrayWindow 28 IoCs

pid	Process
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe

Suspicious use of SendNotifyMessage 18 IoCs

pid	Process
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2100	2160	PandoraClient.exe	28
PID 2160 wrote to memory of 2100	2160	PandoraClient.exe	28
PID 2160 wrote to memory of 2100	2160	PandoraClient.exe	28
PID 2160 wrote to memory of 628	2160	PandoraClient.exe	29
PID 2160 wrote to memory of 628	2160	PandoraClient.exe	29
PID 2160 wrote to memory of 628	2160	PandoraClient.exe	29
PID 2160 wrote to memory of 628	2160	PandoraClient.exe	29
PID 2160 wrote to memory of 2920	2160	PandoraClient.exe	30
PID 2160 wrote to memory of 2920	2160	PandoraClient.exe	30
PID 2160 wrote to memory of 2920	2160	PandoraClient.exe	30
PID 2160 wrote to memory of 2920	2160	PandoraClient.exe	30
PID 2160 wrote to memory of 2928	2160	PandoraClient.exe	31
PID 2160 wrote to memory of 2928	2160	PandoraClient.exe	31
PID 2160 wrote to memory of 2928	2160	PandoraClient.exe	31
PID 2160 wrote to memory of 2928	2160	PandoraClient.exe	31
PID 2160 wrote to memory of 2968	2160	PandoraClient.exe	32
PID 2160 wrote to memory of 2968	2160	PandoraClient.exe	32
PID 2160 wrote to memory of 2968	2160	PandoraClient.exe	32
PID 2160 wrote to memory of 2968	2160	PandoraClient.exe	32
PID 2160 wrote to memory of 3040	2160	PandoraClient.exe	33
PID 2160 wrote to memory of 3040	2160	PandoraClient.exe	33
PID 2160 wrote to memory of 3040	2160	PandoraClient.exe	33
PID 2160 wrote to memory of 3040	2160	PandoraClient.exe	33
PID 2160 wrote to memory of 2312	2160	PandoraClient.exe	34
PID 2160 wrote to memory of 2312	2160	PandoraClient.exe	34
PID 2160 wrote to memory of 2312	2160	PandoraClient.exe	34
PID 2160 wrote to memory of 2312	2160	PandoraClient.exe	34
PID 2160 wrote to memory of 2868	2160	PandoraClient.exe	36
PID 2160 wrote to memory of 2868	2160	PandoraClient.exe	36
PID 2160 wrote to memory of 2868	2160	PandoraClient.exe	36
PID 2160 wrote to memory of 2868	2160	PandoraClient.exe	36
PID 2160 wrote to memory of 2864	2160	PandoraClient.exe	35
PID 2160 wrote to memory of 2864	2160	PandoraClient.exe	35
PID 2160 wrote to memory of 2864	2160	PandoraClient.exe	35
PID 2160 wrote to memory of 2864	2160	PandoraClient.exe	35
PID 2160 wrote to memory of 2820	2160	PandoraClient.exe	37
PID 2160 wrote to memory of 2820	2160	PandoraClient.exe	37
PID 2160 wrote to memory of 2820	2160	PandoraClient.exe	37
PID 2160 wrote to memory of 2820	2160	PandoraClient.exe	37
PID 2160 wrote to memory of 1512	2160	PandoraClient.exe	38
PID 2160 wrote to memory of 1512	2160	PandoraClient.exe	38
PID 2160 wrote to memory of 1512	2160	PandoraClient.exe	38
PID 2160 wrote to memory of 1512	2160	PandoraClient.exe	38
PID 2100 wrote to memory of 2040	2100	explorer.exe	39
PID 2100 wrote to memory of 2040	2100	explorer.exe	39
PID 2100 wrote to memory of 2040	2100	explorer.exe	39

C:\Users\Admin\AppData\Local\Temp\PandoraClient.exe
"C:\Users\Admin\AppData\Local\Temp\PandoraClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\system32\ctfmon.exe
    ctfmon.exe
    3⤵
    PID:2040
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:3040
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2312
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:2820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client pandoravnc.duckdns.org 4046 QMcrubGGd
  2⤵
  PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-57-0x0000000003F60000-0x0000000003F61000-memory.dmp

Filesize
4KB

Download
memory/2100-58-0x0000000003F60000-0x0000000003F61000-memory.dmp

Filesize
4KB

Download
memory/2100-62-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/2160-54-0x0000000000280000-0x00000000002A8000-memory.dmp

Filesize
160KB

Download
memory/2160-55-0x000007FEF53A0000-0x000007FEF5D8C000-memory.dmp

Filesize
9.9MB

Download
memory/2160-56-0x000007FEF53A0000-0x000007FEF5D8C000-memory.dmp

Filesize
9.9MB

Download