ramnit | fba4861b7979b4be297fde28d15a02fde9ad4d8869a1063f2c927d3473a12a3a

Analysis

max time kernel
144s
max time network
146s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 01:55

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General

Target

2387c15e599cb23223f65a307d042aae.html
Size

228KB
MD5

2387c15e599cb23223f65a307d042aae
SHA1

bf4b610b7d09f6a8daceced5d541ac9d9ef232cc
SHA256

fba4861b7979b4be297fde28d15a02fde9ad4d8869a1063f2c927d3473a12a3a
SHA512

c0e488381fc39a04ec0e1f4cbbbcd92e739c7373b86fd3f81ed7a01e0bfd08eb1725adf85238d5a6455dcf9962c8c3b1229f40537fcf07601c9115ed77668851
SSDEEP

3072:S38yfkMY+BES09JXAnyrZalI+YaayfkMY+BES09JXAnyrZalI+YQ:S3hsMYod+X3oI+Ya/sMYod+X3oI+YQ

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 4 IoCs

pid	Process
2660	svchost.exe
2564	DesktopLayer.exe
2288	svchost.exe
1768	DesktopLayer.exe

Loads dropped DLL 3 IoCs

pid	Process
2168	IEXPLORE.EXE
2660	svchost.exe
2168	IEXPLORE.EXE

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2660-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2660-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1768-40-0x0000000000230000-0x000000000023F000-memory.dmp	upx
behavioral1/memory/2564-42-0x00000000001C0000-0x00000000001CF000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px1DFC.tmp	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px196A.tmp	svchost.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1892B961-A8E8-11EE-8EEA-EE2F313809B4} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410304410"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 901ddcf9f43cda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000033b2baa7c38bc34eb000abaaaac06d7800000000020000000000106600000001000020000000b8881d5a923806dc40b9527bed8b2b2a93c436dfe699e4a2df03013284ede774000000000e8000000002000020000000fcc9f9b390a48dab0586fe437f3640fa0b67d8a248e807d1dbdf43611b6e7ae520000000c92cba99fbd29ee2d9204645b766054c80079eaf7dbb4402ddefb89213afb3f940000000a9d8fae52ffdda337a769ec08918331694a15d585998f851fb38628f195213f26308c70501c8f0aa54d81cf7875fa830e344519995b16672a9783358a6e4c842	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff5600000000000000dc04000065020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2564	DesktopLayer.exe
2564	DesktopLayer.exe
2564	DesktopLayer.exe
2564	DesktopLayer.exe
1768	DesktopLayer.exe
1768	DesktopLayer.exe
1768	DesktopLayer.exe
1768	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2512	iexplore.exe
2512	iexplore.exe
2512	iexplore.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2512	iexplore.exe
2512	iexplore.exe
2168	IEXPLORE.EXE
2168	IEXPLORE.EXE
2512	iexplore.exe
2512	iexplore.exe
2760	IEXPLORE.EXE
2760	IEXPLORE.EXE
2512	iexplore.exe
2512	iexplore.exe
1904	IEXPLORE.EXE
1904	IEXPLORE.EXE
1904	IEXPLORE.EXE
1904	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2168	2512	iexplore.exe	17
PID 2512 wrote to memory of 2168	2512	iexplore.exe	17
PID 2512 wrote to memory of 2168	2512	iexplore.exe	17
PID 2512 wrote to memory of 2168	2512	iexplore.exe	17
PID 2168 wrote to memory of 2660	2168	IEXPLORE.EXE	23
PID 2168 wrote to memory of 2660	2168	IEXPLORE.EXE	23
PID 2168 wrote to memory of 2660	2168	IEXPLORE.EXE	23
PID 2168 wrote to memory of 2660	2168	IEXPLORE.EXE	23
PID 2660 wrote to memory of 2564	2660	svchost.exe	26
PID 2660 wrote to memory of 2564	2660	svchost.exe	26
PID 2660 wrote to memory of 2564	2660	svchost.exe	26
PID 2660 wrote to memory of 2564	2660	svchost.exe	26
PID 2564 wrote to memory of 2680	2564	DesktopLayer.exe	25
PID 2564 wrote to memory of 2680	2564	DesktopLayer.exe	25
PID 2564 wrote to memory of 2680	2564	DesktopLayer.exe	25
PID 2564 wrote to memory of 2680	2564	DesktopLayer.exe	25
PID 2512 wrote to memory of 2760	2512	iexplore.exe	24
PID 2512 wrote to memory of 2760	2512	iexplore.exe	24
PID 2512 wrote to memory of 2760	2512	iexplore.exe	24
PID 2512 wrote to memory of 2760	2512	iexplore.exe	24
PID 2168 wrote to memory of 2288	2168	IEXPLORE.EXE	35
PID 2168 wrote to memory of 2288	2168	IEXPLORE.EXE	35
PID 2168 wrote to memory of 2288	2168	IEXPLORE.EXE	35
PID 2168 wrote to memory of 2288	2168	IEXPLORE.EXE	35
PID 2288 wrote to memory of 1768	2288	svchost.exe	34
PID 2288 wrote to memory of 1768	2288	svchost.exe	34
PID 2288 wrote to memory of 1768	2288	svchost.exe	34
PID 2288 wrote to memory of 1768	2288	svchost.exe	34
PID 1768 wrote to memory of 1200	1768	DesktopLayer.exe	33
PID 1768 wrote to memory of 1200	1768	DesktopLayer.exe	33
PID 1768 wrote to memory of 1200	1768	DesktopLayer.exe	33
PID 1768 wrote to memory of 1200	1768	DesktopLayer.exe	33
PID 2512 wrote to memory of 1904	2512	iexplore.exe	32
PID 2512 wrote to memory of 1904	2512	iexplore.exe	32
PID 2512 wrote to memory of 1904	2512	iexplore.exe	32
PID 2512 wrote to memory of 1904	2512	iexplore.exe	32

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\2387c15e599cb23223f65a307d042aae.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2512 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - 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:2564
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2288
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2512 CREDAT:209930 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2760
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2512 CREDAT:603148 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1904

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
PID:2680

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
PID:1200

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1768-40-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1768-39-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1768-343-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2564-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2564-17-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2564-16-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2564-42-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2660-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2660-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download