ramnit | 67f08f8f7ebf389e69ed126c1f46d467b8babe7d9794175fb90c13bf503fe04f

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 02:28

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General

Target

JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
Size

224KB
MD5

43e93c269b77ff1f5170f5e54f0f22c0
SHA1

5b742d9f673570060c19d1cff12abbb748440637
SHA256

67f08f8f7ebf389e69ed126c1f46d467b8babe7d9794175fb90c13bf503fe04f
SHA512

e5d90082e64cd97a168785947e084051ae36e3c853174082ff24b1bbb9f0b6516c735f911761c448848527a0489752604ec3b62e2497a93f6cded2cc832df216
SSDEEP

1536:wVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE47VzIH:AnxwgxgfR/DVG7wBpE47mH

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
2544	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2804-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-6-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral2/memory/2804-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2804-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-22-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral2/memory/2544-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px86F3.tmp	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1352	2324	WerFault.exe	83

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	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3822978732"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3820635340"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153140"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153140"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442463472"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0F531BE3-C7E8-11EF-9361-DA67B56E6C1B} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3820635340"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe
2544	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2704	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2704	iexplore.exe
2704	iexplore.exe
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2804	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
2544	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2544	2804	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe	82
PID 2804 wrote to memory of 2544	2804	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe	82
PID 2804 wrote to memory of 2544	2804	JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe	82
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2324	2544	WaterMark.exe	83
PID 2544 wrote to memory of 2704	2544	WaterMark.exe	87
PID 2544 wrote to memory of 2704	2544	WaterMark.exe	87
PID 2544 wrote to memory of 4316	2544	WaterMark.exe	88
PID 2544 wrote to memory of 4316	2544	WaterMark.exe	88
PID 2704 wrote to memory of 4092	2704	iexplore.exe	89
PID 2704 wrote to memory of 4092	2704	iexplore.exe	89
PID 2704 wrote to memory of 4092	2704	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43e93c269b77ff1f5170f5e54f0f22c0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2804
- 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:2544
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 196
      4⤵
      Program crash
      PID:1352
- - 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:2704
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2704 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4092
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2324 -ip 2324
1⤵
PID:3068

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
224KB

MD5
43e93c269b77ff1f5170f5e54f0f22c0

SHA1
5b742d9f673570060c19d1cff12abbb748440637

SHA256
67f08f8f7ebf389e69ed126c1f46d467b8babe7d9794175fb90c13bf503fe04f

SHA512
e5d90082e64cd97a168785947e084051ae36e3c853174082ff24b1bbb9f0b6516c735f911761c448848527a0489752604ec3b62e2497a93f6cded2cc832df216

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

Filesize
471B

MD5
febff5e5b64433316ee5f116c5c14309

SHA1
55a533777edeed0d18304f073d59d5ca1e5c7737

SHA256
888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

SHA512
cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

Filesize
404B

MD5
3a37cc2990f941c3e9d8ea465d8f6d86

SHA1
1e0f3e2d1400fa48d6fea185a7f6f3ff18cddad2

SHA256
9504e5da5a1c1dc8a968235010a03300d67e0174d5c29c33fdfa9c40b084fa24

SHA512
73d151683e0d4303417a444d7d4b7ca6b4af8cd173d7964d07b7b76561ffcc5343c7709ea8d80ea0f9ff11d2fe0d34e6880378f3bb72432a6e71891c9bb2a4f7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2324-31-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/2324-30-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/2544-32-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/2544-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2544-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-22-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2544-26-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/2544-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2804-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-6-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2804-7-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/2804-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2804-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2804-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download