ramnit | 6b516b17b35b67357ebdd4d76ca52570d753d42aec26e4018a1eded8505af890

Analysis

max time kernel
74s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2022 17:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6b516b17b35b67357ebdd4d76ca52570d753d42aec26e4018a1eded8505af890.dll
Size

172KB
MD5

a37b7ee8c51f7c403ba53ef885acfaa0
SHA1

0e59b01d12babb80da4099200e8d4e5f67b184d1
SHA256

6b516b17b35b67357ebdd4d76ca52570d753d42aec26e4018a1eded8505af890
SHA512

baaea1cca94badfb074507e3638f5465d30b97e038ca0cb9ac09510bea24c9b53ca29e5e4f96d5a2f9645b35c3598cd90caa3bc7696838852f975661274ec456
SSDEEP

3072:vn4cV8gf2u41Z5tKlza/VJNb3+odsXcg71iMaQj:P4y8gOl2JadJNbCJ71ifY

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

pid	Process
1008	rundll32Srv.exe
4624	DesktopLayer.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1008-139-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/4624-142-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxE350.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
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\Recovery\AdminActive\{3D077105-57E8-11ED-A0EE-4A7057C3C021} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\LastCheckForUpdateHighDateTime = "30993397"	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\LastCheckForUpdateHighDateTime = "30993397"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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\DomainSuggestion\FileNames\en-US = "en-US.1"	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
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373854026"	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 = "30993397"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "319801871"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "319801871"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "325273021"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe
4624	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2264	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2264	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2264	iexplore.exe
2264	iexplore.exe
3748	IEXPLORE.EXE
3748	IEXPLORE.EXE
3748	IEXPLORE.EXE
3748	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 1804	3412	rundll32.exe	38
PID 3412 wrote to memory of 1804	3412	rundll32.exe	38
PID 3412 wrote to memory of 1804	3412	rundll32.exe	38
PID 1804 wrote to memory of 1008	1804	rundll32.exe	85
PID 1804 wrote to memory of 1008	1804	rundll32.exe	85
PID 1804 wrote to memory of 1008	1804	rundll32.exe	85
PID 1008 wrote to memory of 4624	1008	rundll32Srv.exe	86
PID 1008 wrote to memory of 4624	1008	rundll32Srv.exe	86
PID 1008 wrote to memory of 4624	1008	rundll32Srv.exe	86
PID 4624 wrote to memory of 2264	4624	DesktopLayer.exe	87
PID 4624 wrote to memory of 2264	4624	DesktopLayer.exe	87
PID 2264 wrote to memory of 3748	2264	iexplore.exe	88
PID 2264 wrote to memory of 3748	2264	iexplore.exe	88
PID 2264 wrote to memory of 3748	2264	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b516b17b35b67357ebdd4d76ca52570d753d42aec26e4018a1eded8505af890.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b516b17b35b67357ebdd4d76ca52570d753d42aec26e4018a1eded8505af890.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1008
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4624
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2264
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2264 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
82KB

MD5
796c57d27e2a61ccaa0e82e7772c7b09

SHA1
cf70e306494d16984d62416c4d5dc5538c8cf595

SHA256
4e0b7a411bbb4fe5af9afe4076f7c44a60b631e77db10e270f12cbeaca3c205b

SHA512
7930f0a25c7623a645c1c3760976225f6c1678bd7d871ccb6f894e027481f06d174f80b85359a0cd7eedda695abd07fbb55bcbac3e753ca4a4ea16503c6d2ec9

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

Filesize
82KB

MD5
796c57d27e2a61ccaa0e82e7772c7b09

SHA1
cf70e306494d16984d62416c4d5dc5538c8cf595

SHA256
4e0b7a411bbb4fe5af9afe4076f7c44a60b631e77db10e270f12cbeaca3c205b

SHA512
7930f0a25c7623a645c1c3760976225f6c1678bd7d871ccb6f894e027481f06d174f80b85359a0cd7eedda695abd07fbb55bcbac3e753ca4a4ea16503c6d2ec9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
a66314123c8c72372bcb8583a5400a95

SHA1
fc3e45060463c37775da0bd4a8920296d222753d

SHA256
657c92d95798fc5dad4272f3d6d71776737ac0bcdce4ac6864ca5532f2ccf34d

SHA512
d9f5c243b04d7b3fbbcb37c68c583db672390644500cfa4d58280048d9fde52c668fd67e84ecd6ace20b2813eefb756627adbd04a6f19719f6e907aa3fffe4f1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
1327cf4c5bca63fbd33167c3b2a2d7d8

SHA1
077152b60c4137a2c386310764b7fa8321cf0fa5

SHA256
3489e0bcf3d83a0d1581c9c9edf51f7d39c464d0ccf273b115d171661d775a72

SHA512
6a5fbb0e38ad36aa8e0d885bcec324b00d4e3b9610fc6146ffc4d81781c3cead7a46ade15f35b35dff2aece7b9af6596b5f3ece9eff96051e5e4b5b23208c9ce

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
82KB

MD5
796c57d27e2a61ccaa0e82e7772c7b09

SHA1
cf70e306494d16984d62416c4d5dc5538c8cf595

SHA256
4e0b7a411bbb4fe5af9afe4076f7c44a60b631e77db10e270f12cbeaca3c205b

SHA512
7930f0a25c7623a645c1c3760976225f6c1678bd7d871ccb6f894e027481f06d174f80b85359a0cd7eedda695abd07fbb55bcbac3e753ca4a4ea16503c6d2ec9

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
82KB

MD5
796c57d27e2a61ccaa0e82e7772c7b09

SHA1
cf70e306494d16984d62416c4d5dc5538c8cf595

SHA256
4e0b7a411bbb4fe5af9afe4076f7c44a60b631e77db10e270f12cbeaca3c205b

SHA512
7930f0a25c7623a645c1c3760976225f6c1678bd7d871ccb6f894e027481f06d174f80b85359a0cd7eedda695abd07fbb55bcbac3e753ca4a4ea16503c6d2ec9

Download Submit
memory/1008-139-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1008-137-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/1008-133-0x0000000000000000-mapping.dmp

Download
memory/1804-136-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/1804-132-0x0000000000000000-mapping.dmp

Download
memory/4624-138-0x0000000000000000-mapping.dmp

Download
memory/4624-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download