ramnit | b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13

General

Target

b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Size

501KB
MD5

032155bc03caac562a77518f34b69110
SHA1

5d1fbfb42d6cac4c08119b883fb9efb72b413bf7
SHA256

b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13
SHA512

14a9cfcd42bb24d759a087bb3fa139babdc4bcbc0f5692e9c5215200f5c022fa6422bc7cff43de1a931b2ed471f3cdf001d32d2cc6c0c2ed3ea46ca3b72263fb
SSDEEP

12288:Gk+vceJ2HfgG+26geCaZnZfeZ1g+3dNvNOoECzLZpEURsuTIck:8vzeg7RWaNZS/3hOUImzTp

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
1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
1996	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000152cd-55.dat	upx
behavioral1/files/0x00080000000152cd-57.dat	upx
behavioral1/files/0x00080000000152cd-59.dat	upx
behavioral1/files/0x0008000000015c12-60.dat	upx
behavioral1/memory/1076-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0008000000015c12-62.dat	upx
behavioral1/files/0x0008000000015c12-65.dat	upx
behavioral1/memory/1996-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px2473.tmp	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\wc98pp.dll	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0A467471-6990-11ED-93D8-5A5CFA1077B6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375192177"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\ic32pp\CLSID = "{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}"	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}\InprocServer32	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}\InprocServer32\ = "C:\\Windows\\wc98pp.dll"	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}\InprocServer32\ThreadingModel = "Apartment"	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\ic32pp	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	DesktopLayer.exe
1996	DesktopLayer.exe
1996	DesktopLayer.exe
1996	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1216	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1216	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1216	iexplore.exe
1216	iexplore.exe
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE
1564	IEXPLORE.EXE
1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1076	1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	27
PID 1736 wrote to memory of 1076	1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	27
PID 1736 wrote to memory of 1076	1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	27
PID 1736 wrote to memory of 1076	1736	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	27
PID 1076 wrote to memory of 1996	1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	28
PID 1076 wrote to memory of 1996	1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	28
PID 1076 wrote to memory of 1996	1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	28
PID 1076 wrote to memory of 1996	1076	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	28
PID 1996 wrote to memory of 1216	1996	DesktopLayer.exe	29
PID 1996 wrote to memory of 1216	1996	DesktopLayer.exe	29
PID 1996 wrote to memory of 1216	1996	DesktopLayer.exe	29
PID 1996 wrote to memory of 1216	1996	DesktopLayer.exe	29
PID 1216 wrote to memory of 1564	1216	iexplore.exe	31
PID 1216 wrote to memory of 1564	1216	iexplore.exe	31
PID 1216 wrote to memory of 1564	1216	iexplore.exe	31
PID 1216 wrote to memory of 1564	1216	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
"C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
  C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1076
- - 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:1996
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1216
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1216 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1564

Network

DNS

api.bing.com

iexplore.exe

Remote address:

8.8.8.8:53

Request

api.bing.com

IN A

Response

api.bing.com

IN CNAME

api-bing-com.e-0001.e-msedge.net

api-bing-com.e-0001.e-msedge.net

IN CNAME

e-0001.e-msedge.net

e-0001.e-msedge.net

IN A

13.107.5.80

204.79.197.200:443

ieonline.microsoft.com

iexplore.exe

152 B
3
204.79.197.200:443

ieonline.microsoft.com

iexplore.exe

152 B
3

8.8.8.8:53

api.bing.com

dns

iexplore.exe

58 B
134 B
1
1

DNS Request

api.bing.com

DNS Response

13.107.5.80

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

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\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1076-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1736-54-0x0000000075F31000-0x0000000075F33000-memory.dmp

Filesize
8KB

Download
memory/1736-67-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/1736-68-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1736-69-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/1736-70-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1996-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

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Downloads

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