a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22

General

Target

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Size

76KB
MD5

0cfa9fbedc5413ec26ecfdb96553a4e1
SHA1

9a4755d3ce3bd6df8f6acea6ebf6239463d6b5fc
SHA256

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22
SHA512

daf09881aed9057e15a9a875993d974cd2910b8979ea9d2bdfa2a125bb50073633b451c25f24031d50b9024debbddac35a2396d6ec3e782836fa12ed419e594d
SSDEEP

768:7embNRqsuhlGOBrhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xkq:tnqdu3abBGy3G8V0iuo2X

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

hama.exea99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exehama.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	hama.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exehama.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hama.exe

Executes dropped EXE 1 IoCs

Processes:

hama.exe

pid process

1752 hama.exe

pid	process
1752	hama.exe

Loads dropped DLL 2 IoCs

Processes:

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

pid	process
1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hama.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	hama.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

hama.exe

description	ioc	process
File opened (read-only)	\??\U:	hama.exe
File opened (read-only)	\??\H:	hama.exe
File opened (read-only)	\??\M:	hama.exe
File opened (read-only)	\??\N:	hama.exe
File opened (read-only)	\??\T:	hama.exe
File opened (read-only)	\??\E:	hama.exe
File opened (read-only)	\??\J:	hama.exe
File opened (read-only)	\??\O:	hama.exe
File opened (read-only)	\??\X:	hama.exe
File opened (read-only)	\??\G:	hama.exe
File opened (read-only)	\??\R:	hama.exe
File opened (read-only)	\??\S:	hama.exe
File opened (read-only)	\??\Y:	hama.exe
File opened (read-only)	\??\L:	hama.exe
File opened (read-only)	\??\P:	hama.exe
File opened (read-only)	\??\Q:	hama.exe
File opened (read-only)	\??\V:	hama.exe
File opened (read-only)	\??\B:	hama.exe
File opened (read-only)	\??\F:	hama.exe
File opened (read-only)	\??\I:	hama.exe
File opened (read-only)	\??\K:	hama.exe
File opened (read-only)	\??\W:	hama.exe
File opened (read-only)	\??\Z:	hama.exe

Drops file in System32 directory 6 IoCs

Processes:

hama.exea99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\Desktop.sysm	hama.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	hama.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	hama.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	hama.exe

Drops file in Program Files directory 34 IoCs

Processes:

hama.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	hama.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	hama.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	hama.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpenc.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	hama.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	hama.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Journal\PDIALOG.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPDMC.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	hama.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MSASCui.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wab.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	hama.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MpCmdRun.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	hama.exe
File opened for modification	\??\c:\Program Files\Windows Sidebar\sidebar.exe	hama.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	hama.exe

Modifies registry class 36 IoCs

Processes:

hama.exea99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	hama.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	hama.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exehama.exe

pid process

1848 a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
1752 hama.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe

description	pid	process	target process
PID 1848 wrote to memory of 1752	1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe	hama.exe
PID 1848 wrote to memory of 1752	1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe	hama.exe
PID 1848 wrote to memory of 1752	1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe	hama.exe
PID 1848 wrote to memory of 1752	1848	a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe	hama.exe

C:\Users\Admin\AppData\Local\Temp\a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe
"C:\Users\Admin\AppData\Local\Temp\a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22.exe"
1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\hama.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\hama.exe" a99e0e2de349279a4522a632cfcefe879c557bf0f439f97a6af91534f97ebf22
2⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\hama.exe

Filesize
76KB

MD5
422be0af571d182f1a7cdddc68b6bcc4

SHA1
0969848ff047cbddb282fcc762f77b04a5264feb

SHA256
e56de5c2a4a0ed1e44c48b4db631e01f341773c4276ce6fecb055f9492cb3878

SHA512
aa1b44a0b5c4a73f8da66bbec736c0ac1a83e3d35b90c82e3f310e811bf7384b5f382f730246f3d509f7ec4d885535a681d28dcd2a65e6726b2a2264fcaafb60

Download Submit
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\hama.exe

Filesize
76KB

MD5
422be0af571d182f1a7cdddc68b6bcc4

SHA1
0969848ff047cbddb282fcc762f77b04a5264feb

SHA256
e56de5c2a4a0ed1e44c48b4db631e01f341773c4276ce6fecb055f9492cb3878

SHA512
aa1b44a0b5c4a73f8da66bbec736c0ac1a83e3d35b90c82e3f310e811bf7384b5f382f730246f3d509f7ec4d885535a681d28dcd2a65e6726b2a2264fcaafb60

Download Submit
\??\c:\windows\SysWOW64\Windows 3D.scr

Filesize
76KB

MD5
2e299c3119a22ef26e4d51577c6ace05

SHA1
cb522d2455e023eed7382fb9c92cdf1101b3605a

SHA256
b61e2c3f71f6d4917b0e4ad41b2f568a7b77aa501b99091de42e9b72e281a65a

SHA512
ecaa5eb8279cd2082eb0b7694df75a82263355c431c029ce8a1ad64c83b318adf09bb8ea30f300f7e8bb819ca46eb10984af1493272126c2f63b228732226ebe

Download Submit
\??\c:\windows\SysWOW64\maxtrox.txt

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\hama.exe

Filesize
76KB

MD5
422be0af571d182f1a7cdddc68b6bcc4

SHA1
0969848ff047cbddb282fcc762f77b04a5264feb

SHA256
e56de5c2a4a0ed1e44c48b4db631e01f341773c4276ce6fecb055f9492cb3878

SHA512
aa1b44a0b5c4a73f8da66bbec736c0ac1a83e3d35b90c82e3f310e811bf7384b5f382f730246f3d509f7ec4d885535a681d28dcd2a65e6726b2a2264fcaafb60

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\hama.exe

Filesize
76KB

MD5
422be0af571d182f1a7cdddc68b6bcc4

SHA1
0969848ff047cbddb282fcc762f77b04a5264feb

SHA256
e56de5c2a4a0ed1e44c48b4db631e01f341773c4276ce6fecb055f9492cb3878

SHA512
aa1b44a0b5c4a73f8da66bbec736c0ac1a83e3d35b90c82e3f310e811bf7384b5f382f730246f3d509f7ec4d885535a681d28dcd2a65e6726b2a2264fcaafb60

Download Submit
memory/1752-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads