plugx | 729fa433582f3574ce99d37869a6fc0bc8bd56fc5230d7a9d50a4d4699c485f1

Resubmissions

11-09-2024 00:30

240911-athqrssfkq 10

Analysis

max time kernel
299s
max time network
298s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 00:30

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General

Target

ArainsToolser/arpReport.exe
Size

189KB
MD5

e9d05f7176aab86c6754ba89cb06d768
SHA1

f0e80278eab18ed61dcb473fb42419186fcc8b35
SHA256

6840e6e2a2b4555db025c331b41d426387e8d6397fd5917fad29d3893fb1886f
SHA512

100b1020ac2d67b10d5ff7f7b3423b0706fa0250c90dad9d0155064e52ab6bb2226e8cd9be4ea5e8eba91b91d5f399e82ec166fef0a9fef3cccc35963113fda1
SSDEEP

3072:SJg3FNLpWK6weGrE8tU3xvz0tcK4hYanD9EvQiorztXkF6ODVgCl4LDVXcCSfHR9:SJgVV8K6VGrE8y3CtcKn6yv8zRkDVK5w

Score

10^/10

plugx discovery trojan

Malware Config

Signatures

Detects PlugX payload 20 IoCs

resource	yara_rule
behavioral1/memory/1908-2-0x00000000001D0000-0x0000000000206000-memory.dmp	family_plugx
behavioral1/memory/1908-5-0x00000000001D0000-0x0000000000206000-memory.dmp	family_plugx
behavioral1/memory/2172-27-0x0000000000240000-0x0000000000276000-memory.dmp	family_plugx
behavioral1/memory/2804-34-0x0000000000160000-0x0000000000196000-memory.dmp	family_plugx
behavioral1/memory/2600-46-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/1908-63-0x00000000001D0000-0x0000000000206000-memory.dmp	family_plugx
behavioral1/memory/2600-64-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2804-61-0x0000000000160000-0x0000000000196000-memory.dmp	family_plugx
behavioral1/memory/2600-60-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2600-58-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2600-59-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2600-45-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2600-66-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx
behavioral1/memory/2172-70-0x0000000000240000-0x0000000000276000-memory.dmp	family_plugx
behavioral1/memory/2792-80-0x00000000002F0000-0x0000000000326000-memory.dmp	family_plugx
behavioral1/memory/2792-81-0x00000000002F0000-0x0000000000326000-memory.dmp	family_plugx
behavioral1/memory/2792-79-0x00000000002F0000-0x0000000000326000-memory.dmp	family_plugx
behavioral1/memory/2792-77-0x00000000002F0000-0x0000000000326000-memory.dmp	family_plugx
behavioral1/memory/2792-76-0x00000000002F0000-0x0000000000326000-memory.dmp	family_plugx
behavioral1/memory/2600-82-0x0000000000260000-0x0000000000296000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx

Unexpected DNS network traffic destination 4 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	18.141.169.162
Destination IP	18.141.169.162
Destination IP	18.141.169.162
Destination IP	18.141.169.162

Deletes itself 1 IoCs

pid	Process
2172	arpReport.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arphadump.dll	arpReport.exe
File created	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arphadump.dll	arpReport.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\DIFxAPI.bpl	arpReport.exe
File created	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\DIFxAPI.bpl	arpReport.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe	arpReport.exe
File created	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe	arpReport.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\NvSmart.hlp	msdt.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\ArainsToolser	arpReport.exe

Executes dropped EXE 2 IoCs

pid	Process
2172	arpReport.exe
2804	arpReport.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	arpReport.exe
2804	arpReport.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arpReport.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arpReport.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arpReport.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dism.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	Dism.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 36003500370032004500370042003100300039003500460035003700310039000000	Dism.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2600	Dism.exe
2792	msdt.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1908	arpReport.exe
1908	arpReport.exe
2172	arpReport.exe
2600	Dism.exe
2600	Dism.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2600	Dism.exe
2600	Dism.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2600	Dism.exe
2600	Dism.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2600	Dism.exe
2600	Dism.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2600	Dism.exe
2600	Dism.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2792	msdt.exe
2600	Dism.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2600	Dism.exe
2792	msdt.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	arpReport.exe
Token: SeTcbPrivilege	1908	arpReport.exe
Token: SeDebugPrivilege	2172	arpReport.exe
Token: SeTcbPrivilege	2172	arpReport.exe
Token: SeDebugPrivilege	2804	arpReport.exe
Token: SeTcbPrivilege	2804	arpReport.exe
Token: SeDebugPrivilege	2600	Dism.exe
Token: SeTcbPrivilege	2600	Dism.exe
Token: SeDebugPrivilege	2792	msdt.exe
Token: SeTcbPrivilege	2792	msdt.exe
Token: 33	1264	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1264	AUDIODG.EXE
Token: 33	1264	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1264	AUDIODG.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2804 wrote to memory of 2600	2804	arpReport.exe	33
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35
PID 2600 wrote to memory of 2792	2600	Dism.exe	35

C:\Users\Admin\AppData\Local\Temp\ArainsToolser\arpReport.exe
"C:\Users\Admin\AppData\Local\Temp\ArainsToolser\arpReport.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908

C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe
"C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe" 100 1908
1⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2172

C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe
"C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\Dism.exe
  C:\Windows\system32\Dism.exe 201 0
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\msdt.exe
    C:\Windows\system32\msdt.exe 209 2600
    3⤵
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2792

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2832

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2e0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1264

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\DIFxAPI.bpl

Filesize
133KB

MD5
6d7a48328af8ac53d0331bca03f6e322

SHA1
41b14093804e44dc1865a595d1a8e63c918c0a29

SHA256
86f32ad5c7048cd156d345bc86d4afc73a7be036a5b11aa08ac5b037249ba73e

SHA512
207c525e14e18eb147f92bcc65186131e24168ff877c09eae3bd234c37401776a483bf56f105060c02c88d37935e23df8e759f4979dc7cdc71bad08bab6c3715

Download Submit
C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arpReport.exe

Filesize
189KB

MD5
e9d05f7176aab86c6754ba89cb06d768

SHA1
f0e80278eab18ed61dcb473fb42419186fcc8b35

SHA256
6840e6e2a2b4555db025c331b41d426387e8d6397fd5917fad29d3893fb1886f

SHA512
100b1020ac2d67b10d5ff7f7b3423b0706fa0250c90dad9d0155064e52ab6bb2226e8cd9be4ea5e8eba91b91d5f399e82ec166fef0a9fef3cccc35963113fda1

Download Submit
C:\Program Files (x86)\Common Files\Adobe\ArainsToolser\arphadump.dll

Filesize
7.2MB

MD5
e4ac1288b36eb34ec356012716573a5c

SHA1
dfaf779547b3989d72f75a91dbba20a3a15d4b96

SHA256
9e10d98024db6f6748433918288232cc1e55bea916146729be40dc0e53615393

SHA512
5f6921a62bee16a695215ead02fa10f6ae7ec844c9826a063824487519e03b0c674f6802273f13cb23e1daca2f7e9b9b723359d2b9aa9183821ec1234a334463

Download Submit
memory/1908-0-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1908-63-0x00000000001D0000-0x0000000000206000-memory.dmp

Filesize
216KB

Download
memory/1908-5-0x00000000001D0000-0x0000000000206000-memory.dmp

Filesize
216KB

Download
memory/1908-2-0x00000000001D0000-0x0000000000206000-memory.dmp

Filesize
216KB

Download
memory/2172-27-0x0000000000240000-0x0000000000276000-memory.dmp

Filesize
216KB

Download
memory/2172-70-0x0000000000240000-0x0000000000276000-memory.dmp

Filesize
216KB

Download
memory/2600-60-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-59-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-46-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-41-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download
memory/2600-37-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2600-64-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-39-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/2600-58-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-57-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2600-82-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-45-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2600-43-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2600-66-0x0000000000260000-0x0000000000296000-memory.dmp

Filesize
216KB

Download
memory/2792-76-0x00000000002F0000-0x0000000000326000-memory.dmp

Filesize
216KB

Download
memory/2792-80-0x00000000002F0000-0x0000000000326000-memory.dmp

Filesize
216KB

Download
memory/2792-81-0x00000000002F0000-0x0000000000326000-memory.dmp

Filesize
216KB

Download
memory/2792-79-0x00000000002F0000-0x0000000000326000-memory.dmp

Filesize
216KB

Download
memory/2792-78-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2792-77-0x00000000002F0000-0x0000000000326000-memory.dmp

Filesize
216KB

Download
memory/2804-34-0x0000000000160000-0x0000000000196000-memory.dmp

Filesize
216KB

Download
memory/2804-61-0x0000000000160000-0x0000000000196000-memory.dmp

Filesize
216KB

Download