42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702

General

Target

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
Size

136KB
MD5

3430ff52775bed3ea223b54664f870a1
SHA1

0f123f8438fe702576e07d2dbc7c0d4de571cc22
SHA256

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702
SHA512

aa750b3b6dc72ccb71fd14ceec0d5b2d52750abf694acb00dede925371b3b0000676cd23eafd65fed7cfed516b94e29f1fcc1fa0e86fc28c6713ff2be2444d71
SSDEEP

3072:yqsMMtnsXGsLd0gePcPuiPfDZS+biFO8bkwLI0zKdmGa44nK:yjn8XuPcPnfEXkZ0zKd934n

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exehmyaac.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hmyaac.exe

Executes dropped EXE 1 IoCs

Processes:

hmyaac.exe

pid process

524 hmyaac.exe

pid	process
524	hmyaac.exe

Loads dropped DLL 2 IoCs

Processes:

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe

pid	process
1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe

Adds Run key to start application 2 TTPs 48 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hmyaac.exe42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /s"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /L"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /y"	hmyaac.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /W"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /X"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /S"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /H"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /j"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /Q"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /t"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /c"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /b"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /h"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /B"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /u"	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /N"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /e"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /Y"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /E"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /p"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /k"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /Z"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /C"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /T"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /x"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /n"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /A"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /m"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /w"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /f"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /d"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /G"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /q"	hmyaac.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /I"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /o"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /u"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /K"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /U"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /J"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /P"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /O"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /g"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /R"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /M"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /F"	hmyaac.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmyaac = "C:\\Users\\Admin\\hmyaac.exe /V"	hmyaac.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exehmyaac.exe

pid	process
1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe
524	hmyaac.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exehmyaac.exe

pid process

1736 42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
524 hmyaac.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe

description	pid	process	target process
PID 1736 wrote to memory of 524	1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe	hmyaac.exe
PID 1736 wrote to memory of 524	1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe	hmyaac.exe
PID 1736 wrote to memory of 524	1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe	hmyaac.exe
PID 1736 wrote to memory of 524	1736	42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe	hmyaac.exe

C:\Users\Admin\AppData\Local\Temp\42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe
"C:\Users\Admin\AppData\Local\Temp\42079fc4b659e7ed219cf000b2d3f63073c8eec577436c8437b246567eb96702.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736

C:\Users\Admin\hmyaac.exe
"C:\Users\Admin\hmyaac.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\hmyaac.exe
Filesize
136KB

MD5
b494a911437c228f771e732ad20801e1

SHA1
9f687d88a6e93a834254edaca5df48f938494563

SHA256
5da8b383f7da133c5c08f1de81b126ab646151ef92d119a38c4ea2466b2f359f

SHA512
4a3cc4641054f75f5427bf4ea45239fe92c9473834d5f62083ab4427da4fe34e3cec6b5ecc364f9ea4f564954a2d83a16788761debe2f05ce7681b71629eda62

Download Submit
C:\Users\Admin\hmyaac.exe
Filesize
136KB

MD5
b494a911437c228f771e732ad20801e1

SHA1
9f687d88a6e93a834254edaca5df48f938494563

SHA256
5da8b383f7da133c5c08f1de81b126ab646151ef92d119a38c4ea2466b2f359f

SHA512
4a3cc4641054f75f5427bf4ea45239fe92c9473834d5f62083ab4427da4fe34e3cec6b5ecc364f9ea4f564954a2d83a16788761debe2f05ce7681b71629eda62

Download Submit
\Users\Admin\hmyaac.exe
Filesize
136KB

MD5
b494a911437c228f771e732ad20801e1

SHA1
9f687d88a6e93a834254edaca5df48f938494563

SHA256
5da8b383f7da133c5c08f1de81b126ab646151ef92d119a38c4ea2466b2f359f

SHA512
4a3cc4641054f75f5427bf4ea45239fe92c9473834d5f62083ab4427da4fe34e3cec6b5ecc364f9ea4f564954a2d83a16788761debe2f05ce7681b71629eda62

Download Submit
\Users\Admin\hmyaac.exe
Filesize
136KB

MD5
b494a911437c228f771e732ad20801e1

SHA1
9f687d88a6e93a834254edaca5df48f938494563

SHA256
5da8b383f7da133c5c08f1de81b126ab646151ef92d119a38c4ea2466b2f359f

SHA512
4a3cc4641054f75f5427bf4ea45239fe92c9473834d5f62083ab4427da4fe34e3cec6b5ecc364f9ea4f564954a2d83a16788761debe2f05ce7681b71629eda62

Download Submit
memory/524-60-0x0000000000000000-mapping.dmp

Download
memory/524-66-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/524-69-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1736-56-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1736-57-0x00000000759C1000-0x00000000759C3000-memory.dmp

Filesize
8KB

Download
memory/1736-65-0x0000000002EE0000-0x0000000002F19000-memory.dmp

Filesize
228KB

Download
memory/1736-68-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads