ramnit | a5aba32acf74347d8ae34c8d0b3e9a31d7db785c7ce7a0381c66e7dec4b43918

Analysis

max time kernel
103s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 20:29

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General

Target

JaffaCakes118_880d12ec9f5aa9e0f647921fbfb65e60.dll
Size

101KB
MD5

880d12ec9f5aa9e0f647921fbfb65e60
SHA1

00db1a9558d5c79140e2ea162023464600dcc1cf
SHA256

a5aba32acf74347d8ae34c8d0b3e9a31d7db785c7ce7a0381c66e7dec4b43918
SHA512

7008055ffb16ab99dd24f88d21d7f6e12ef6186e7e0bb41ddc539f12c576d334957d4aff11c8cac3807d9a1a97eb4ce281f48dd5dda93599ce5c994cca892551
SSDEEP

3072:dH08OtqSkPVCII3mdlXWN8kvSeeS0GdZa6bju:dfOtq5d5dkLtju

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
808	rundll32mgr.exe
2200	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/808-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2200-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2200-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2200-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2200-23-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2200-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px4EFB.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 1 IoCs

pid	pid_target	Process	procid_target
5052	536	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449526726"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7ADEFC50-0825-11F0-BB61-6A0D32693D46} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7AE15CED-0825-11F0-BB61-6A0D32693D46} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\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 (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe
2200	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
864	iexplore.exe
1832	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1832	iexplore.exe
1832	iexplore.exe
864	iexplore.exe
864	iexplore.exe
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE
5372	IEXPLORE.EXE
5372	IEXPLORE.EXE
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 1288	3080	rundll32.exe	87
PID 3080 wrote to memory of 1288	3080	rundll32.exe	87
PID 3080 wrote to memory of 1288	3080	rundll32.exe	87
PID 1288 wrote to memory of 808	1288	rundll32.exe	88
PID 1288 wrote to memory of 808	1288	rundll32.exe	88
PID 1288 wrote to memory of 808	1288	rundll32.exe	88
PID 808 wrote to memory of 2200	808	rundll32mgr.exe	89
PID 808 wrote to memory of 2200	808	rundll32mgr.exe	89
PID 808 wrote to memory of 2200	808	rundll32mgr.exe	89
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 536	2200	WaterMark.exe	90
PID 2200 wrote to memory of 1832	2200	WaterMark.exe	101
PID 2200 wrote to memory of 1832	2200	WaterMark.exe	101
PID 2200 wrote to memory of 864	2200	WaterMark.exe	102
PID 2200 wrote to memory of 864	2200	WaterMark.exe	102
PID 1832 wrote to memory of 5372	1832	iexplore.exe	104
PID 1832 wrote to memory of 5372	1832	iexplore.exe	104
PID 1832 wrote to memory of 5372	1832	iexplore.exe	104
PID 864 wrote to memory of 3376	864	iexplore.exe	103
PID 864 wrote to memory of 3376	864	iexplore.exe	103
PID 864 wrote to memory of 3376	864	iexplore.exe	103

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_880d12ec9f5aa9e0f647921fbfb65e60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_880d12ec9f5aa9e0f647921fbfb65e60.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2200
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:536
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 204
        6⤵
        Program crash
        
        PID:5052
    - - 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:1832
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1832 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5372
    - - 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:864
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:864 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 536 -ip 536
1⤵
PID:4772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
70f2cd5a40c53a24406bef59c4dca71a

SHA1
438a0730aab95862c097791a037678c5563c42cc

SHA256
a1c50f56a0ce0c9c0288e7a21a933e4b477de7d729666c884d3e6d734b087607

SHA512
f42fb79ad0075f05a4ad53d749a831f9d12f0d2b2d1016871734e19866b9c8406a041b84fc0085e422dcbbd17076f57ea2425e20a294124e24794d2262739e51

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
5da1f10907eff390a0e37487100b74eb

SHA1
345554fb176e5d8bb72a2182b59b877345cde5c3

SHA256
e282221fd8890d9eb8f77d31ec3377d21f9a945fed15ae9873f54693735eef7f

SHA512
3d8f83095e946ffd038e3d844f249b4b9e0590033cb6911889fcd28476dcb6139e0232c3fb4343890a26ed9857bda191d47097f0a20c8e5ba7ded10dd724f4e1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
30db69793a538e328bf9c89622496f82

SHA1
ba795e8972a25f21c9da26e0c3cdc9c3bf7218b7

SHA256
461f8040de706164cb269d3a26ece75440eb6800553a9dae44cdec8364ae3f2c

SHA512
f45a912c0b5350cc914a60ceb892c5a8c3f8e9c80bd45f792c7d57e8a4cd4130bf71e164d845ea4dc7b4af90ff5dfd7c0728a53f43562cfbab3b6029495f5467

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7ADEFC50-0825-11F0-BB61-6A0D32693D46}.dat

Filesize
3KB

MD5
30d3128ddce802bf982e27775cb2040f

SHA1
ce68ea4e657e169b80295fcfa817ceee9b42253f

SHA256
8e3da2271780179e9e5df5409fd111a50fa7e9f4d85cd3434123f51d48dd5ba5

SHA512
bd8f043c15c19e4b138fe1c2e0fa8adb727fe04ed9eb2ff86f0efa5da22a80948c6dc066c7d030a0e6319193301151e31fb21730bfa80358ddcddc241fffec58

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7AE15CED-0825-11F0-BB61-6A0D32693D46}.dat

Filesize
5KB

MD5
864930c97c3cdb17d78ca353e7b3d7c4

SHA1
4b911f83b799a58b36b456a83889e0142a3b90d3

SHA256
124937e6e9a2131fd251a49ee7626f9da766e65281087e693ee6baa8a47cfab9

SHA512
f2b5ff275173c6f0e2cebb17c6620257de946c489e980fb2db597182e39f422424cd8de911504f361f399816da1026652dcf33533de0a87d1ba526328c10bb58

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1YAN2J8O\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
65KB

MD5
849ef19ec0155d79d4fa5bfb5657b106

SHA1
eb7e7ff208ecb40d35755d8f36e31e2482166299

SHA256
8b853e963eab5aa857b640be1d07d605a8bf6dd8bdf8884505b05034bbd87e04

SHA512
30384d9943f7eca4efbdcac52d3dd9c14446a2d75dc04ce4047feabe037c5177138f6bdcb055939dcc47608dfb50a54c9676f795d850c9a9de353f90252053a2

Download Submit
memory/536-18-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/536-17-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/808-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/808-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1288-0-0x00000000753A0000-0x00000000753BD000-memory.dmp

Filesize
116KB

Download
memory/2200-19-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2200-20-0x0000000077952000-0x0000000077953000-memory.dmp

Filesize
4KB

Download
memory/2200-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2200-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2200-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2200-14-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2200-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2200-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download