b7d7fee9e1b293c15587a4d32d7c19d125771837fb8aec3a3c4aa04d3db7f0f0

General

Target

a49e122b7a5ca135d7a259e24ceeafb6.exe
Size

368KB
MD5

a49e122b7a5ca135d7a259e24ceeafb6
SHA1

c852beaede55a861495bd6f17941d6ae1c04c7ff
SHA256

b7d7fee9e1b293c15587a4d32d7c19d125771837fb8aec3a3c4aa04d3db7f0f0
SHA512

37dbb8cabc6495d7ad3b66eadef546f7ef77dc8777c9ed361a0296d6bb3a6793a82a4c3af243e952c9ec5d4d2a76c5a3e4af5eaf684ac40b87a737f48a2eca19
SSDEEP

6144:z7OSgRuehAjP4WN52HTqjNDwdIUuqJx9fkmlX241fMZSJI8b16GuqHCy/stZq:bgRuehAjP4WN52HTqjNDwdIUuy9fkm2v

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\34ayhze5uss5.exe"	a49e122b7a5ca135d7a259e24ceeafb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\34ayhze5uss5.exe"	a49e122b7a5ca135d7a259e24ceeafb6.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	a49e122b7a5ca135d7a259e24ceeafb6.exe

Disables Task Manager via registry modification
evasion

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{9UKOwAzW-jBnq-QIbC-nOZO-S5sWdSVf5j6j}	a49e122b7a5ca135d7a259e24ceeafb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{9UKOwAzW-jBnq-QIbC-nOZO-S5sWdSVf5j6j}\UPuaZWsHqCbSIKP = "\"C:\\Users\\Admin\\AppData\\Roaming\\34ayhze5uss5.exe\" /ActiveX"	a49e122b7a5ca135d7a259e24ceeafb6.exe

Loads dropped DLL 2 IoCs

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

pid process

1596 a49e122b7a5ca135d7a259e24ceeafb6.exe
1596 a49e122b7a5ca135d7a259e24ceeafb6.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1596-2-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/1596-4-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/1596-5-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/1596-7-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/1596-6-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/1596-23-0x0000000000400000-0x000000000049A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UPuaZWsHqCbSIKP = "C:\\Users\\Admin\\AppData\\Roaming\\34ayhze5uss5.exe"	a49e122b7a5ca135d7a259e24ceeafb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPuaZWsHqCbSIKP = "C:\\Users\\Admin\\AppData\\Roaming\\34ayhze5uss5.exe"	a49e122b7a5ca135d7a259e24ceeafb6.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a49e122b7a5ca135d7a259e24ceeafb6.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	a49e122b7a5ca135d7a259e24ceeafb6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description pid process target process

PID 1984 set thread context of 1596 1984 a49e122b7a5ca135d7a259e24ceeafb6.exe a49e122b7a5ca135d7a259e24ceeafb6.exe

description	pid	process	target process
PID 1984 set thread context of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe

Suspicious use of FindShellTrayWindow 11 IoCs

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

pid	process
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exea49e122b7a5ca135d7a259e24ceeafb6.exe

pid	process
1984	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe
1596	a49e122b7a5ca135d7a259e24ceeafb6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a49e122b7a5ca135d7a259e24ceeafb6.exe

description	pid	process	target process
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe
PID 1984 wrote to memory of 1596	1984	a49e122b7a5ca135d7a259e24ceeafb6.exe	a49e122b7a5ca135d7a259e24ceeafb6.exe

C:\Users\Admin\AppData\Local\Temp\a49e122b7a5ca135d7a259e24ceeafb6.exe
"C:\Users\Admin\AppData\Local\Temp\a49e122b7a5ca135d7a259e24ceeafb6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\a49e122b7a5ca135d7a259e24ceeafb6.exe
  C:\Users\Admin\AppData\Local\Temp\a49e122b7a5ca135d7a259e24ceeafb6.exe
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Modifies Installed Components in the registry
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Modifies WinLogon
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dwlGina3.dll

Filesize
93KB

MD5
1173123287198dce1eb831f04e28352c

SHA1
39d650f4297c990a7ffaa7dc3b6d0ef903c9bd14

SHA256
65d4582e135c774d9c827ae08de8b77f199ee934f13d1a0537df4f5d18f590ba

SHA512
e9fdb6e808b0f3ed850fb364d48609a9726fd41ad138594fc04f8d48d5672aec3aaa76af236f07c4263c053dc539f99009e74491adb03c885190dcce78f0cede

Download Submit
memory/1596-2-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-5-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-7-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-6-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-8-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/1596-14-0x0000000002C10000-0x0000000002C2C000-memory.dmp

Filesize
112KB

Download
memory/1596-23-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1596-24-0x0000000002C10000-0x0000000002C2C000-memory.dmp

Filesize
112KB

Download
memory/1596-27-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads