ramnit | 1b1f8ca1063843b3edf253ed38f03718af558f9261c42b58a188441b901af8c5

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 00:21

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General

Target

JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
Size

92KB
MD5

31f93b2654a5b100a828b1ed2e307c23
SHA1

61751696d9e8504ddbd70840b1f35454c31e1fd9
SHA256

1b1f8ca1063843b3edf253ed38f03718af558f9261c42b58a188441b901af8c5
SHA512

cb0ebda478c0681613b2e84315027d6cb36325f7e35f9970d532484a5afd35a5c6b7e9c47adab5a96504b1d8de4d082354caa77ea1166454610bcf364c67226c
SSDEEP

1536:xVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:hnxwgxgfR/DVG7wBpE

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 1 IoCs

pid	Process
4348	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4348-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4348-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4348-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB824.tmp	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4064	3176	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1545755097"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1545755097"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155738"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155738"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{87BB3154-D20D-11EF-A7EA-E26222BAF6A3} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1547787129"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155738"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443579077"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe
4348	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4348	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2204	iexplore.exe
2204	iexplore.exe
2572	IEXPLORE.EXE
2572	IEXPLORE.EXE
2572	IEXPLORE.EXE
2572	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4960	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
4348	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 4348	4960	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe	83
PID 4960 wrote to memory of 4348	4960	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe	83
PID 4960 wrote to memory of 4348	4960	JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe	83
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 3176	4348	WaterMark.exe	84
PID 4348 wrote to memory of 2204	4348	WaterMark.exe	88
PID 4348 wrote to memory of 2204	4348	WaterMark.exe	88
PID 4348 wrote to memory of 208	4348	WaterMark.exe	89
PID 4348 wrote to memory of 208	4348	WaterMark.exe	89
PID 2204 wrote to memory of 2572	2204	iexplore.exe	91
PID 2204 wrote to memory of 2572	2204	iexplore.exe	91
PID 2204 wrote to memory of 2572	2204	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f93b2654a5b100a828b1ed2e307c23.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - 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:4348
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3176
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 204
      4⤵
      Program crash
      PID:4064
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2204
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2204 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2572
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3176 -ip 3176
1⤵
PID:1940

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:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
92KB

MD5
31f93b2654a5b100a828b1ed2e307c23

SHA1
61751696d9e8504ddbd70840b1f35454c31e1fd9

SHA256
1b1f8ca1063843b3edf253ed38f03718af558f9261c42b58a188441b901af8c5

SHA512
cb0ebda478c0681613b2e84315027d6cb36325f7e35f9970d532484a5afd35a5c6b7e9c47adab5a96504b1d8de4d082354caa77ea1166454610bcf364c67226c

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

Filesize
471B

MD5
4678c6b9e04d71f22ad272e0502cdb5e

SHA1
3f4cda0c3979c8f87b48914dd58b7eec0d480738

SHA256
8a2e74caaacdb17295780859af0882ff7e55a14ba77b04ab4656462c44adb673

SHA512
b347198672efdfb51dfdc266aa96b463fc8ee2bb260f9b493055849be7805c38b0c176d25bece406106d9d2e526c5948579f53d38737517496c1c81a7f9a2bbf

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

Filesize
404B

MD5
2bb10313f9ba7bce2d86b763d772d1ff

SHA1
3cd54e26958c1122894b0b2e37ae783dc74c1289

SHA256
cd51c60d3d095a1b6fc9042e9a3282972281f7ea7ab7b9b5a3a50113500e7350

SHA512
07820f799015e9b69b72a5bb75d6c4a32aeeb8383dae699bcf9e732b972d2414d03b62fa8efb04b33e1c6f257dc91ca70740384b715b3ebc59dc7e4b9d7d044c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3176-29-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

Filesize
4KB

Download
memory/3176-30-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/4348-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4348-28-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/4348-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4348-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4348-31-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4348-32-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/4348-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4960-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4960-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4960-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-7-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/4960-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download