30ec8a71f9c5e303be353c877db015b733173281d81f7278b933bc5b4c956d73

General

Target

2263d9661087c367cb757a58c0c505df.exe
Size

211KB
MD5

2263d9661087c367cb757a58c0c505df
SHA1

1ef5c1b3c3f95bd79657ebc0d6b9a3d602c7604b
SHA256

30ec8a71f9c5e303be353c877db015b733173281d81f7278b933bc5b4c956d73
SHA512

aa6c1abb9a7abed003b97cc90c8feadd706a5bde58a573d51af7deff07e8c6acd0b6be940f4d6306aafc7d808fe505447c5f896981fa990164a171b5d6d9a94e
SSDEEP

1536:M6qxQui3mTjqsuc9TGl0hwpWbdCwprWhVHh+Nk:0PzARp0dCwS+Nk

Score

10^/10

evasion upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	dwm.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 2 IoCs

pid	Process
2820	dwm.exe
2164	dwm.exe

Loads dropped DLL 2 IoCs

pid	Process
2196	2263d9661087c367cb757a58c0c505df.exe
2196	2263d9661087c367cb757a58c0c505df.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2196-0-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2196-10-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2164-16-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2820-15-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2820-12-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2164-17-0x0000000000400000-0x0000000000432000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	dwm.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\dwm.exe	2263d9661087c367cb757a58c0c505df.exe
File created	C:\Windows\system\dwm.exe	2263d9661087c367cb757a58c0c505df.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2208	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	dwm.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0046000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dwm.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}\WpadDecisionTime = e0820c9ec537da01	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-fd-43-05-e3-85\WpadDecision = "0"	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	dwm.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}\0a-fd-43-05-e3-85	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-fd-43-05-e3-85\WpadDecisionReason = "1"	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}\WpadNetworkName = "Network 3"	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-fd-43-05-e3-85	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}\WpadDecisionReason = "1"	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	dwm.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3F6778D6-6084-4C66-927A-DC2A42130F35}\WpadDecision = "0"	dwm.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-fd-43-05-e3-85\WpadDecisionTime = e0820c9ec537da01	dwm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2196	2263d9661087c367cb757a58c0c505df.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2208	2196	2263d9661087c367cb757a58c0c505df.exe	15
PID 2196 wrote to memory of 2208	2196	2263d9661087c367cb757a58c0c505df.exe	15
PID 2196 wrote to memory of 2208	2196	2263d9661087c367cb757a58c0c505df.exe	15
PID 2196 wrote to memory of 2208	2196	2263d9661087c367cb757a58c0c505df.exe	15
PID 2196 wrote to memory of 2820	2196	2263d9661087c367cb757a58c0c505df.exe	31
PID 2196 wrote to memory of 2820	2196	2263d9661087c367cb757a58c0c505df.exe	31
PID 2196 wrote to memory of 2820	2196	2263d9661087c367cb757a58c0c505df.exe	31
PID 2196 wrote to memory of 2820	2196	2263d9661087c367cb757a58c0c505df.exe	31

C:\Windows\SysWOW64\sc.exe
sc delete darkness
1⤵
- Launches sc.exe
PID:2208

C:\Users\Admin\AppData\Local\Temp\2263d9661087c367cb757a58c0c505df.exe
"C:\Users\Admin\AppData\Local\Temp\2263d9661087c367cb757a58c0c505df.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\system\dwm.exe
  "C:\Windows\system\dwm.exe" /start
  2⤵
  - Executes dropped EXE
  PID:2820

C:\Windows\system\dwm.exe
C:\Windows\system\dwm.exe
1⤵
- Modifies firewall policy service
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

memory/2164-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2164-17-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2196-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2196-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2196-11-0x00000000029E0000-0x0000000002A12000-memory.dmp

Filesize
200KB

Download
memory/2820-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2820-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads