ramnit | 5e0c94ebef74deec4ca62fc13195c8084fa79ef42cd43a597dc89444debea842

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 03:39

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General

Target

e1a2253d2dc01f2581d82006f5699ad9_JaffaCakes118.dll
Size

132KB
MD5

e1a2253d2dc01f2581d82006f5699ad9
SHA1

75fdd7aa2b25cbcd5d4a46f0eb94d8467cd59e34
SHA256

5e0c94ebef74deec4ca62fc13195c8084fa79ef42cd43a597dc89444debea842
SHA512

0810663a169edc199ea9477a0459625bf24d29da293716b774d579f2e67bec4bc95e8ae0279db76cd4d4f4438e0431dcd40adcdf5fd0d1fe9873038f37166bef
SSDEEP

1536:tibToqp78CcWWG6yhhdikVYFjX0aQe5ID/08htEDotqm:tibTTp78CcW6yVdYWmG0joIm

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

Executes dropped EXE 2 IoCs

pid	Process
5088	rundll32mgr.exe
3248	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5088-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5088-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-38-0x0000000000400000-0x0000000000421000-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 created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxAC7C.tmp	rundll32mgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1624	4572	WerFault.exe	88
4852	2112	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 4 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	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	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31131424"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3876111421"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31131424"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3879548772"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433136526"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{12508AB8-7314-11EF-9912-562BAB028465} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3876111421"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31131424"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3879548772"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31131424"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe
3248	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4480	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4480	iexplore.exe
4480	iexplore.exe
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
5088	rundll32mgr.exe
3248	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2112	2796	rundll32.exe	83
PID 2796 wrote to memory of 2112	2796	rundll32.exe	83
PID 2796 wrote to memory of 2112	2796	rundll32.exe	83
PID 2112 wrote to memory of 5088	2112	rundll32.exe	84
PID 2112 wrote to memory of 5088	2112	rundll32.exe	84
PID 2112 wrote to memory of 5088	2112	rundll32.exe	84
PID 5088 wrote to memory of 3248	5088	rundll32mgr.exe	86
PID 5088 wrote to memory of 3248	5088	rundll32mgr.exe	86
PID 5088 wrote to memory of 3248	5088	rundll32mgr.exe	86
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4572	3248	WaterMark.exe	88
PID 3248 wrote to memory of 4480	3248	WaterMark.exe	97
PID 3248 wrote to memory of 4480	3248	WaterMark.exe	97
PID 3248 wrote to memory of 1776	3248	WaterMark.exe	98
PID 3248 wrote to memory of 1776	3248	WaterMark.exe	98
PID 4480 wrote to memory of 3284	4480	iexplore.exe	99
PID 4480 wrote to memory of 3284	4480	iexplore.exe	99
PID 4480 wrote to memory of 3284	4480	iexplore.exe	99

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a2253d2dc01f2581d82006f5699ad9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a2253d2dc01f2581d82006f5699ad9_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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 UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - 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 UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:3248
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:4572
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 204
        6⤵
        Program crash
        
        PID:1624
    - - 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:4480
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4480 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3284
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:1776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 608
    3⤵
    - Program crash
    PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
1⤵
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4572 -ip 4572
1⤵
PID:4600

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
b846b882719e09ee4996593fe9ce2fdb

SHA1
68f64b77cab775e1b90b563325c0bf42c60e30bf

SHA256
bec22a671cf77d0beb4395abc6ceb14a9c02822997bce4b9f4b79ef54effaeb7

SHA512
b1eec5f0ad9ff3142ef1c66ce9f615d9a5ff3dfef05693fe860defebd231b706a7c4fc05f591760762b600b1a386ac6474713c94f37e57667a20873267f20190

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

Filesize
404B

MD5
77fbf1fd80b6b20215bb485048233573

SHA1
993541133cfe0e15694c0865d50f664898bdad29

SHA256
280fe1c408347b3fded3a147fe646b4fbe589ea655cf61dab27dfe979bd203c2

SHA512
64054aad220ab01d6809ddd182c4260f4524176af14d662162bbfd7f0fb0f1efb8ae947c3c42c3a133132db110bdc1a98e6eda304f374d79c60b8b79cb118b23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3275.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4329235D\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
92KB

MD5
a3b5b19b09613a76bd054ce279edb5f2

SHA1
4324c72de65b2812bfe9cc969f7fba7022a85a55

SHA256
13629c42889859682a721bc0927ff258a135f39951a64fd45409ba0d209212ce

SHA512
32d3c8a71eaaea6d6074ed63d7fd7b41c5dd4dea66e8c3f5ce84ad4f6ead79838ed28548d4b73103dfb06e426236835622ff337fa692872d7d23cd58da3ae865

Download Submit
memory/2112-34-0x000000006D080000-0x000000006D0A1000-memory.dmp

Filesize
132KB

Download
memory/2112-1-0x000000006D080000-0x000000006D0A1000-memory.dmp

Filesize
132KB

Download
memory/3248-36-0x0000000077372000-0x0000000077373000-memory.dmp

Filesize
4KB

Download
memory/3248-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3248-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-30-0x0000000077372000-0x0000000077373000-memory.dmp

Filesize
4KB

Download
memory/3248-28-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3248-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4572-33-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/4572-32-0x0000000000C50000-0x0000000000C51000-memory.dmp

Filesize
4KB

Download
memory/5088-11-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/5088-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5088-4-0x0000000000400000-0x0000000000428E39-memory.dmp

Filesize
163KB

Download