ramnit | b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13

Analysis

max time kernel
134s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 10:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
4936	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
2884	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000022f57-134.dat	upx
behavioral2/files/0x0006000000022f57-135.dat	upx
behavioral2/memory/4936-136-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000022f58-139.dat	upx
behavioral2/files/0x0007000000022f58-140.dat	upx
behavioral2/memory/2884-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px37A.tmp	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 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3831655504"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0DFF711D-6990-11ED-AECB-E62BBF623C53} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3809311169"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997916"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375795271"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997916"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3809311169"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997916"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Modifies registry class 6 IoCs

description	ioc	Process
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\ic32pp\CLSID = "{BBCA9F81-8F4F-11D2-90FF-0080C83D3571}"	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe
2884	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4248	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4248	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4248	iexplore.exe
4248	iexplore.exe
1204	IEXPLORE.EXE
1204	IEXPLORE.EXE
5036	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
5036	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
1204	IEXPLORE.EXE
1204	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 4936	5036	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	76
PID 5036 wrote to memory of 4936	5036	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	76
PID 5036 wrote to memory of 4936	5036	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe	76
PID 4936 wrote to memory of 2884	4936	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	77
PID 4936 wrote to memory of 2884	4936	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	77
PID 4936 wrote to memory of 2884	4936	b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe	77
PID 2884 wrote to memory of 4248	2884	DesktopLayer.exe	78
PID 2884 wrote to memory of 4248	2884	DesktopLayer.exe	78
PID 4248 wrote to memory of 1204	4248	iexplore.exe	79
PID 4248 wrote to memory of 1204	4248	iexplore.exe	79
PID 4248 wrote to memory of 1204	4248	iexplore.exe	79

C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe
"C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
  C:\Users\Admin\AppData\Local\Temp\b16e47c9d3977aac78003a3806e24135435a9659f17dd8076158f4b7f977db13Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4936
- - 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:2884
  - - 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:4248
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4248 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1204

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
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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
6df395096ecd4495391458b01010ecb2

SHA1
2f1dc39b55265fd6219172e40362c1240506470a

SHA256
6439a7a722864b1920d0307e0fb2eb95207b22010005086b5856646a51f2a7e0

SHA512
eb333fbf74de85ca8bb66dc1c286f71d744e929e614bd056b73fa5161f26e89ef5028d4f729f02de3438ef519bc74968cb0c25428a880efe523121182bb65803

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

Filesize
434B

MD5
29131a5540b679af3034eb919b331b30

SHA1
d4b606608e0446c53cc3a93bef39d8f31335a110

SHA256
27410e392808c850fc4447db8419478dbf92502cc3879db0c0214eb32a248fed

SHA512
7a745924d68a977502dc4e2a8fcb87a06423692fc47b296f22ee8dee8ba5f66c3491c648f3d722b7f7e61d48c829e709aad54374aeaadaae629c404e5efbb72e

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
memory/2884-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4936-137-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/4936-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5036-132-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/5036-142-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download