73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db

General

Target

73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe
Size

88KB
MD5

0870eae11b4cd70716cfdd010e800b11
SHA1

4cf6be511a020f096580cb641868f84e1f56f8ca
SHA256

73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db
SHA512

4524abbcb7a918c74c2139f4791a605fd13b3f57c1133225fb4d7e981de1ca08fd3a8aced294a71c4e802db38da22358bb33f0e70c01f5208b934a13c413ac77
SSDEEP

1536:09t/yuWliX2ZqEulssTvCfsNO5YHAwXC5apqS1sb8DyxaA9vMeC5wQ:039EuWsTqfsNdHL83SjDxB

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\M-8597378998674567\winmgr.exe = "C:\\Users\\Admin\\M-8597378998674567\\winmgr.exe:*:Enabled:Microsoft Windows Service"	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe

Executes dropped EXE 2 IoCs

pid	Process
1364	winmgr.exe
820	winmgr.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/864-54-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/864-67-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/files/0x0009000000013494-71.dat	upx
behavioral1/files/0x0009000000013494-73.dat	upx
behavioral1/memory/1364-74-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/files/0x0009000000013494-87.dat	upx
behavioral1/memory/1364-89-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1756	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Service = "C:\\Users\\Admin\\M-8597378998674567\\winmgr.exe"	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 864 set thread context of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 1364 set thread context of 820	1364	winmgr.exe	29

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 864 wrote to memory of 1756	864	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	27
PID 1756 wrote to memory of 1364	1756	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	28
PID 1756 wrote to memory of 1364	1756	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	28
PID 1756 wrote to memory of 1364	1756	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	28
PID 1756 wrote to memory of 1364	1756	73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe	28
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29
PID 1364 wrote to memory of 820	1364	winmgr.exe	29

C:\Users\Admin\AppData\Local\Temp\73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe
"C:\Users\Admin\AppData\Local\Temp\73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe
  "C:\Users\Admin\AppData\Local\Temp\73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db.exe"
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\M-8597378998674567\winmgr.exe
    C:\Users\Admin\M-8597378998674567\winmgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1364
  - - C:\Users\Admin\M-8597378998674567\winmgr.exe
      C:\Users\Admin\M-8597378998674567\winmgr.exe
      4⤵
      Executes dropped EXE
      PID:820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\M-8597378998674567\winmgr.exe

Filesize
88KB

MD5
0870eae11b4cd70716cfdd010e800b11

SHA1
4cf6be511a020f096580cb641868f84e1f56f8ca

SHA256
73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db

SHA512
4524abbcb7a918c74c2139f4791a605fd13b3f57c1133225fb4d7e981de1ca08fd3a8aced294a71c4e802db38da22358bb33f0e70c01f5208b934a13c413ac77

Download Submit
C:\Users\Admin\M-8597378998674567\winmgr.exe

Filesize
88KB

MD5
0870eae11b4cd70716cfdd010e800b11

SHA1
4cf6be511a020f096580cb641868f84e1f56f8ca

SHA256
73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db

SHA512
4524abbcb7a918c74c2139f4791a605fd13b3f57c1133225fb4d7e981de1ca08fd3a8aced294a71c4e802db38da22358bb33f0e70c01f5208b934a13c413ac77

Download Submit
\Users\Admin\M-8597378998674567\winmgr.exe

Filesize
88KB

MD5
0870eae11b4cd70716cfdd010e800b11

SHA1
4cf6be511a020f096580cb641868f84e1f56f8ca

SHA256
73bd58a5541532aff0692432c0d7cfc91ab8bbe60c49e6d1b5a5f22bbe6771db

SHA512
4524abbcb7a918c74c2139f4791a605fd13b3f57c1133225fb4d7e981de1ca08fd3a8aced294a71c4e802db38da22358bb33f0e70c01f5208b934a13c413ac77

Download Submit
memory/820-92-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/820-91-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/864-55-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/864-54-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/864-67-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1364-89-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1364-74-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1756-62-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-70-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-69-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-66-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-64-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-63-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-61-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-59-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1756-56-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads