8cdf678bed1558ca64a6788519e28f727a5ee75b808051530c1a2f0d9c974301

Resubmissions

10/10/2024, 16:44

241010-t82a7s1dmq 7

10/10/2024, 16:43

241010-t8bqjs1djp 5

10/10/2024, 16:30

241010-tz1nbazhmp 5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 16:43

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General

Target

mpclient.exe
Size

186KB
MD5

6bd4d7f68924301051c22e8a951aecba
SHA1

2ae2a6b863616b61ccb550fc1a145ae025896de1
SHA256

9afd12eede0db98a35aba52f53041efa4a2f2a03673672c7ac530830b7152392
SHA512

ebf97dcc36413e9c05da1df9d296bd5226f2c5acc86f8592755f10454328ffa90dc9805825ede64f350fade5de9cef73d050aad569b733f914da6aa92740f708
SSDEEP

3072:crWzrkggF1yGunZZwFrUhxDR1cAoPF+sq:uCzgF1enfwFrUk

Score

5^/10

upx

Malware Config

Signatures

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1844 set thread context of 2104	1844	mpclient.exe	86
PID 1060 set thread context of 1136	1060	svchost.exe	90
PID 1136 set thread context of 3144	1136	svchost.exe	91

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/1844-1-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1844-5-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1844-6-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1844-4-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/2104-15-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1844-18-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/2104-24-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/4736-30-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1060-43-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1136-55-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/1136-50-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/4736-59-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/3144-67-0x0000000180000000-0x0000000180066000-memory.dmp	upx
behavioral4/memory/3144-66-0x0000000180000000-0x0000000180066000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1844	mpclient.exe
1844	mpclient.exe
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
4736	mpclient.exe
4736	mpclient.exe
1060	svchost.exe
1060	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
3144	dllhost.exe
3144	dllhost.exe
3144	dllhost.exe
3144	dllhost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe
1136	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2104	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	svchost.exe
Token: SeTcbPrivilege	2104	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 2104	1844	mpclient.exe	86
PID 1844 wrote to memory of 2104	1844	mpclient.exe	86
PID 1844 wrote to memory of 2104	1844	mpclient.exe	86
PID 1844 wrote to memory of 2104	1844	mpclient.exe	86
PID 1844 wrote to memory of 2104	1844	mpclient.exe	86
PID 4736 wrote to memory of 1060	4736	mpclient.exe	18
PID 4736 wrote to memory of 1060	4736	mpclient.exe	18
PID 4736 wrote to memory of 1060	4736	mpclient.exe	18
PID 1060 wrote to memory of 1136	1060	svchost.exe	90
PID 1060 wrote to memory of 1136	1060	svchost.exe	90
PID 1060 wrote to memory of 1136	1060	svchost.exe	90
PID 1060 wrote to memory of 1136	1060	svchost.exe	90
PID 1060 wrote to memory of 1136	1060	svchost.exe	90
PID 1136 wrote to memory of 3144	1136	svchost.exe	91
PID 1136 wrote to memory of 3144	1136	svchost.exe	91
PID 1136 wrote to memory of 3144	1136	svchost.exe	91
PID 1136 wrote to memory of 3144	1136	svchost.exe	91
PID 1136 wrote to memory of 3144	1136	svchost.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\system32\mpclient.exe
  C:\Windows\system32\mpclient.exe -svc
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4736
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\system32\dllhost.exe
    C:\Windows\system32\dllhost.exe /Processid:{F8284233-48F4-4680-ADDD-F8284233}
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3144

C:\Users\Admin\AppData\Local\Temp\mpclient.exe
"C:\Users\Admin\AppData\Local\Temp\mpclient.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -Install
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1060-32-0x0000028BCF7E0000-0x0000028BCF7E1000-memory.dmp

Filesize
4KB

Download
memory/1060-43-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1136-50-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1136-55-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1136-49-0x00007FFC10C70000-0x00007FFC10E65000-memory.dmp

Filesize
2.0MB

Download
memory/1844-4-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1844-5-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1844-1-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1844-0-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/1844-17-0x00007FFBF3090000-0x00007FFBF31F2000-memory.dmp

Filesize
1.4MB

Download
memory/1844-18-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/1844-7-0x00007FFC10C70000-0x00007FFC10E65000-memory.dmp

Filesize
2.0MB

Download
memory/1844-6-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/2104-8-0x00000286562D0000-0x00000286562D1000-memory.dmp

Filesize
4KB

Download
memory/2104-24-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/2104-16-0x00007FFC10C70000-0x00007FFC10E65000-memory.dmp

Filesize
2.0MB

Download
memory/2104-15-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/3144-67-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/3144-66-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/3144-65-0x00007FFC10C70000-0x00007FFC10E65000-memory.dmp

Filesize
2.0MB

Download
memory/4736-31-0x00007FFC10C70000-0x00007FFC10E65000-memory.dmp

Filesize
2.0MB

Download
memory/4736-35-0x00007FFBF2C70000-0x00007FFBF2DD2000-memory.dmp

Filesize
1.4MB

Download
memory/4736-30-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download
memory/4736-59-0x0000000180000000-0x0000000180066000-memory.dmp

Filesize
408KB

Download