ramnit | d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862

Analysis

max time kernel
81s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 03:31

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll
Size 677KB
Sample240611-d25r2stbpm
SHA256 d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862
MD5 a4de91735cad51050bc92815bee5d1aa
SHA1 382dcb85639c2c8282780fb2b53f47147bda7005
SHA512 e6090d8694c83f9afc333844b74be3572ed8f65229ba980abf85ad4cbffd05cdc94db455656282b45451083e2e5f2d4c399df6ba5409577ad2fe025abe2fc3f3
SSDEEP 6144:/NIQzLZN4k3WvmRPLx+xXqOkyWh9ZN/c4bsXdHtVHs7ZYkJH1:/NIyZN4+Wv4PLq6Okrh9ZN/hs9DsdY41
MD5 SHA1 SHA512 SSDEEP

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

UPX dump on OEP (original entry point) 10 IoCs

resource	yara_rule
behavioral2/memory/2556-11-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/3472-30-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/3472-29-0x0000000000400000-0x0000000000426000-memory.dmp	UPX
behavioral2/memory/3472-27-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/2556-12-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/2556-10-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/2556-9-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/2556-8-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/2556-7-0x0000000000400000-0x0000000000421000-memory.dmp	UPX
behavioral2/memory/3472-40-0x0000000000400000-0x0000000000421000-memory.dmp	UPX

Executes dropped EXE 2 IoCs

pid	Process
2556	rundll32mgr.exe
3472	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2556-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3472-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3472-29-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/3472-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2556-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3472-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px3D95.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4744	2904	WerFault.exe	85
3460	4912	WerFault.exe	81

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1580C91B-27A3-11EF-9519-5ABC67A14C95} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{15858DEC-27A3-11EF-9519-5ABC67A14C95} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424238565"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe
3472	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3472	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1192	iexplore.exe
3940	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3940	iexplore.exe
3940	iexplore.exe
1192	iexplore.exe
1192	iexplore.exe
1356	IEXPLORE.EXE
1356	IEXPLORE.EXE
4692	IEXPLORE.EXE
4692	IEXPLORE.EXE
1356	IEXPLORE.EXE
1356	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2556	rundll32mgr.exe
3472	WaterMark.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4912	3200	rundll32.exe	81
PID 3200 wrote to memory of 4912	3200	rundll32.exe	81
PID 3200 wrote to memory of 4912	3200	rundll32.exe	81
PID 4912 wrote to memory of 2556	4912	rundll32.exe	82
PID 4912 wrote to memory of 2556	4912	rundll32.exe	82
PID 4912 wrote to memory of 2556	4912	rundll32.exe	82
PID 2556 wrote to memory of 3472	2556	rundll32mgr.exe	84
PID 2556 wrote to memory of 3472	2556	rundll32mgr.exe	84
PID 2556 wrote to memory of 3472	2556	rundll32mgr.exe	84
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 2904	3472	WaterMark.exe	85
PID 3472 wrote to memory of 3940	3472	WaterMark.exe	93
PID 3472 wrote to memory of 3940	3472	WaterMark.exe	93
PID 3472 wrote to memory of 1192	3472	WaterMark.exe	94
PID 3472 wrote to memory of 1192	3472	WaterMark.exe	94
PID 1192 wrote to memory of 4692	1192	iexplore.exe	95
PID 1192 wrote to memory of 4692	1192	iexplore.exe	95
PID 1192 wrote to memory of 4692	1192	iexplore.exe	95
PID 3940 wrote to memory of 1356	3940	iexplore.exe	96
PID 3940 wrote to memory of 1356	3940	iexplore.exe	96
PID 3940 wrote to memory of 1356	3940	iexplore.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:3472
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2904
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 204
        6⤵
        Program crash
        
        PID:4744
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3940
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3940 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1356
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1192
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 608
    3⤵
    - Program crash
    PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2904 -ip 2904
1⤵
PID:4184

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

Loading Replay Monitor...

Downloads

RecoveryStore.{1580C91B-27A3-11EF-9519-5ABC67A14C95}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1580C91B-27A3-11EF-9519-5ABC67A14C95}.dat
Size 3KB
SHA256 43b09f29cbe78cb5d9ceb517f1dd08162218d421448fa5decb7f0ecb9288cea4
MD5 ac64751a513a4951f741986ae8f2eb37
SHA1 972b7df70e8fea1490726f7766e4019f63c2d624
SHA512 6b72b7bb317f78399b7b9a260b4db9abc8871db170178d28b8c56a81b1de61fbb67a1f5dc0e392ada10e3c68fa20d45c2912368ab2f649a0de663f0628baf5a6
MD5 SHA1 SHA512

Submit Download

RecoveryStore.{15858DEC-27A3-11EF-9519-5ABC67A14C95}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{15858DEC-27A3-11EF-9519-5ABC67A14C95}.dat
Size 5KB
SHA256 2468c92d76e77c3db8df6183987b8af8b19be90a8ed30bc398c6557767bf41bd
MD5 4d70946c281275ef314e353f83923880
SHA1 56ebe79fcdc34b84f2261406c547845c01b9a967
SHA512 d95776e65d6d5247cb2b3bdf5e9fc604b877dd9c546c6e7c46bb519e0b0717a4686cb0f74f4211508242701fd76aa7dd02a12533257ee89d0d858659d3438951
SSDEEP 24:rsGo/QkPJgGo/QPJ3PJ879lWLH8WuE9lWLH8WuWu:rsGo4kyGo452Cjcj
MD5 SHA1 SHA512 SSDEEP

Submit Download

rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 92KB
SHA256 22a4a2fab776db0d00df29a577b354ba8d775c434b1e88ce4835c6f2e5b4cbd1
MD5 8499caf4ab80f33508daa32513cc1c7e
SHA1 d252d6bad7adce4ffe5c2795fb1e5e6fcca7cbd2
SHA512 cea57e7540550dc1a88933f5e37a473266892a00da754e8d86519cda4a15cde78915cfe619f9b52d48569627ee8fec51eba4b64bf5ca316874c970113e8a0873
SSDEEP 1536:WVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:mnxwgxgfR/DVG7wBpE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2556-12-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-4-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/2556-11-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-6-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-7-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-8-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-9-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-10-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2556-13-0x0000000002850000-0x0000000002851000-memory.dmp

Download

memory/2904-32-0x0000000000B30000-0x0000000000B31000-memory.dmp

Download

memory/2904-33-0x0000000000B10000-0x0000000000B11000-memory.dmp

Download

memory/3472-26-0x00000000008E0000-0x00000000008E1000-memory.dmp

Download

memory/3472-27-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/3472-29-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/3472-30-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/3472-36-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

Download

memory/3472-35-0x0000000000070000-0x0000000000071000-memory.dmp

Download

memory/3472-31-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

Download

memory/3472-40-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/4912-34-0x0000000010000000-0x00000000100AF000-memory.dmp

Download

memory/4912-3-0x0000000010000000-0x00000000100AF000-memory.dmp

Download