ramnit | 1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c

General

Target

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe
Size

990KB
MD5

3feca8e97b50ab1242e39cae28c9419f
SHA1

7e15259e7f2a6e4338dbc49e6f6422c484da0a2c
SHA256

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c
SHA512

53f6263bbe8175bd75c7278b788c84a66afcd2ffb7ffb3b763d9c2d383f5d4c81f2ce20d20b6f40d1b710cd9504931d2381b4aa550302f83bfda124c67e3828c
SSDEEP

24576:2pMK8OP6ASOQmfOq/+QYTSAAjjIjlWdUzMzEUeAWfwkUUU6:RK8OP6ASOQmfOq/+QYTSAA4iUzMzleAx

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 2 IoCs

Processes:

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exeDesktopLayer.exe

pid process

1584 1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
452 DesktopLayer.exe

pid	process
1584	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
452	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1584-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/452-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 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:

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

description ioc process

File opened (read-only) \??\D: 1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

description	ioc	process
File opened (read-only)	\??\D:	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

Drops file in Program Files directory 3 IoCs

Processes:

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxFD12.tmp	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999605"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999605"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2477425445"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376520556"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BBF396E9-7028-11ED-A0EE-7A46CE8ECE48} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2582268732"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2582268732"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff000000000000000080020000b8010000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2477425445"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999605"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999605"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

DesktopLayer.exe1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

pid	process
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
452	DesktopLayer.exe
4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe
4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

pid process

4396 1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 4400 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 4400 AUDIODG.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2204 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2204 iexplore.exe
2204 iexplore.exe
176 IEXPLORE.EXE
176 IEXPLORE.EXE
176 IEXPLORE.EXE
176 IEXPLORE.EXE

pid	process
4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe

description	pid	process
Token: 33	4400	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4400	AUDIODG.EXE

pid	process
2204	iexplore.exe

pid	process
2204	iexplore.exe
2204	iexplore.exe
176	IEXPLORE.EXE
176	IEXPLORE.EXE
176	IEXPLORE.EXE
176	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 4396 wrote to memory of 1584	4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
PID 4396 wrote to memory of 1584	4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
PID 4396 wrote to memory of 1584	4396	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
PID 1584 wrote to memory of 452	1584	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe	DesktopLayer.exe
PID 1584 wrote to memory of 452	1584	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe	DesktopLayer.exe
PID 1584 wrote to memory of 452	1584	1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe	DesktopLayer.exe
PID 452 wrote to memory of 2204	452	DesktopLayer.exe	iexplore.exe
PID 452 wrote to memory of 2204	452	DesktopLayer.exe	iexplore.exe
PID 2204 wrote to memory of 176	2204	iexplore.exe	IEXPLORE.EXE
PID 2204 wrote to memory of 176	2204	iexplore.exe	IEXPLORE.EXE
PID 2204 wrote to memory of 176	2204	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe
"C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8c.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1584

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:452

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2204 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:176

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4ec 0x4e8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1b73711fb53fde666198383813d5d98867f36817802aa6271f1715d3be151f8cSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/452-135-0x0000000000000000-mapping.dmp

Download
memory/452-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1584-132-0x0000000000000000-mapping.dmp

Download
memory/1584-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4396-140-0x0000000000400000-0x0000000000544000-memory.dmp

Filesize
1.3MB

Download
memory/4396-141-0x0000000000400000-0x0000000000544000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads