77dcfe4f6402827ed7b3bee0636530a111a73e54964647c0977192731d84c56c

General

Target

5a864c3c4a5c37d822447f6fa76024a5.exe
Size

408KB
MD5

5a864c3c4a5c37d822447f6fa76024a5
SHA1

c58bd04b675fe46de542d8864fb217e0d07cacce
SHA256

77dcfe4f6402827ed7b3bee0636530a111a73e54964647c0977192731d84c56c
SHA512

d3cd3e276b58842aa6824e076f65e1005742d6c9935fb953b4ae5d63b5ff3c6bf62351e75f858370c94071985965d22480e71c82e82faab5c08cdbcfdaf9848e
SSDEEP

12288:OFAypKUXaBOzJdqxXNfRQ6kTNmTORtVFw0UoZA:OW2vd4NfRQpTsu53ZA

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:

serhur45hu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\hrt54is56ijfgte.exe"	serhur45hu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\hrt54is56ijfgte.exe"	serhur45hu.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

serhur45hu.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	serhur45hu.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:

serhur45hu.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{GjPEEl6E-E6bb-bcZn-Gtsv-dAgH6KqQHsxT}	serhur45hu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{GjPEEl6E-E6bb-bcZn-Gtsv-dAgH6KqQHsxT}\6zvcaxR5ls4KB9Y = "\"C:\\Users\\Admin\\AppData\\Roaming\\hrt54is56ijfgte.exe\" /ActiveX"	serhur45hu.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5a864c3c4a5c37d822447f6fa76024a5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	5a864c3c4a5c37d822447f6fa76024a5.exe

Executes dropped EXE 2 IoCs

Processes:

serhur45hu.exeserhur45hu.exe

pid process

4996 serhur45hu.exe
4416 serhur45hu.exe
Loads dropped DLL 2 IoCs

Processes:

serhur45hu.exe

pid process

4416 serhur45hu.exe
4416 serhur45hu.exe

pid	process
4996	serhur45hu.exe
4416	serhur45hu.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4416-20-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4416-23-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4416-25-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4416-24-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4416-22-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/4416-41-0x0000000000400000-0x000000000049A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

serhur45hu.exereg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6zvcaxR5ls4KB9Y = "C:\\Users\\Admin\\AppData\\Roaming\\hrt54is56ijfgte.exe"	serhur45hu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sr5tuhsrt6xhjudry6 = "C:\\Users\\Admin\\AppData\\Roaming\\hsr5uyhrxt\\serhur45hu.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6zvcaxR5ls4KB9Y = "C:\\Users\\Admin\\AppData\\Roaming\\hrt54is56ijfgte.exe"	serhur45hu.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

serhur45hu.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA serhur45hu.exe
Modifies WinLogon 2 TTPs 1 IoCs
persistence

Winlogon Helper DLL
T1547.004

Modify Registry
T1112

Processes:

serhur45hu.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ serhur45hu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

serhur45hu.exe

description pid process target process

PID 4996 set thread context of 4416 4996 serhur45hu.exe serhur45hu.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	serhur45hu.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	serhur45hu.exe

description	pid	process	target process
PID 4996 set thread context of 4416	4996	serhur45hu.exe	serhur45hu.exe

Suspicious use of FindShellTrayWindow 11 IoCs

Processes:

serhur45hu.exe

pid	process
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

5a864c3c4a5c37d822447f6fa76024a5.exeserhur45hu.exeserhur45hu.exe

pid	process
1280	5a864c3c4a5c37d822447f6fa76024a5.exe
4996	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe
4416	serhur45hu.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5a864c3c4a5c37d822447f6fa76024a5.execmd.exeserhur45hu.exe

description	pid	process	target process
PID 1280 wrote to memory of 2860	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	cmd.exe
PID 1280 wrote to memory of 2860	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	cmd.exe
PID 1280 wrote to memory of 2860	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	cmd.exe
PID 2860 wrote to memory of 6076	2860	cmd.exe	reg.exe
PID 2860 wrote to memory of 6076	2860	cmd.exe	reg.exe
PID 2860 wrote to memory of 6076	2860	cmd.exe	reg.exe
PID 1280 wrote to memory of 4996	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	serhur45hu.exe
PID 1280 wrote to memory of 4996	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	serhur45hu.exe
PID 1280 wrote to memory of 4996	1280	5a864c3c4a5c37d822447f6fa76024a5.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe
PID 4996 wrote to memory of 4416	4996	serhur45hu.exe	serhur45hu.exe

C:\Users\Admin\AppData\Local\Temp\5a864c3c4a5c37d822447f6fa76024a5.exe
"C:\Users\Admin\AppData\Local\Temp\5a864c3c4a5c37d822447f6fa76024a5.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240605062.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sr5tuhsrt6xhjudry6" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe" /f
3⤵
- Adds Run key to start application
PID:6076

C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe
"C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4996

C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe
"C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe"
3⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Modifies Installed Components in the registry
- Executes dropped EXE
- 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:4416

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\240605062.bat
Filesize
159B

MD5
a80658d9ea7c0ddebccbe6de91b34b20

SHA1
0ee816fbd7dde9db479e9a22a70a1318a9f40e06

SHA256
a78032a0a6ba3f51f1c94a9527247c4b69af3d42922095968fbcb81ab23147f6

SHA512
f861719d968e2926702d4b45e436c89afee97f07eabf8355f4fa21a85411908e8a5a664f7b47fc1deaccbfe2de293d19b4d86499d982c6045cd9faee22ba3a19

Download Submit
C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\dwlGina3.dll
Filesize
93KB

MD5
1173123287198dce1eb831f04e28352c

SHA1
39d650f4297c990a7ffaa7dc3b6d0ef903c9bd14

SHA256
65d4582e135c774d9c827ae08de8b77f199ee934f13d1a0537df4f5d18f590ba

SHA512
e9fdb6e808b0f3ed850fb364d48609a9726fd41ad138594fc04f8d48d5672aec3aaa76af236f07c4263c053dc539f99009e74491adb03c885190dcce78f0cede

Download Submit
C:\Users\Admin\AppData\Roaming\hsr5uyhrxt\serhur45hu.exe
Filesize
408KB

MD5
d64b3a3f412975f82af55bc01b1e005f

SHA1
033ebc32d070dc97caf13d8344c17012d845e5d0

SHA256
0aa8474ae9862d53ee4cac56101b4654affded1d706295e2e0d32523552cea48

SHA512
32518ee8325cfba58ca8e3e4306c9671ccca1a52372621b3a51bf3bc38e28ffb155d9fbf96d5099885197d2f0a01304662e3bc0b807828a75b7a039efa2e5e1a

Download Submit
memory/4416-24-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-28-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/4416-25-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-23-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-32-0x00000000022D0000-0x00000000022EC000-memory.dmp

Filesize
112KB

Download
memory/4416-20-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-22-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-42-0x00000000022D0000-0x00000000022EC000-memory.dmp

Filesize
112KB

Download
memory/4416-41-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4416-45-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads