ramnit | 9d3252a0880f05f0b67f1d9c35831528ccc9decdca87344088cd333e3b8b88a6

Analysis

max time kernel
148s
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
02-01-2025 21:06

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General

Target

JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe
Size

92KB
MD5

6840040cb22e5bad82fc49b87def6370
SHA1

83ad49aaf487df77b88be2b93b67211f61f0f415
SHA256

9d3252a0880f05f0b67f1d9c35831528ccc9decdca87344088cd333e3b8b88a6
SHA512

591cab22af6e6a2a2a112791bb266943653c8d1d9101b33428dc0cb5f0d80749025bad7474f3e32108bc084be73df752fdb3766377c637514d1dfe331c946022
SSDEEP

1536:0VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEV:knxwgxgfR/DVG7wBpEV

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
512	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1788-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1788-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/512-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/512-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/512-21-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/1788-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1788-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1788-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1788-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1788-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/512-36-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/512-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/512-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAD38.tmp	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5044	4952	WerFault.exe	82

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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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 (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1400603023"	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
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Recovery\PendingRecovery	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\DomainSuggestion	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\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7F1DE183-C94D-11EF-9361-D6A59BC41F9D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	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\LastUpdateLowDateTime = "1400603023"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1402790666"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153498"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153498"	iexplore.exe
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\LastUpdateHighDateTime = "31153498"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442616990"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe
512	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	512	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2152	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2152	iexplore.exe
2152	iexplore.exe
3616	IEXPLORE.EXE
3616	IEXPLORE.EXE
3616	IEXPLORE.EXE
3616	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1788	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe
512	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 512	1788	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe	81
PID 1788 wrote to memory of 512	1788	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe	81
PID 1788 wrote to memory of 512	1788	JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe	81
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 4952	512	WaterMark.exe	82
PID 512 wrote to memory of 2152	512	WaterMark.exe	87
PID 512 wrote to memory of 2152	512	WaterMark.exe	87
PID 512 wrote to memory of 4496	512	WaterMark.exe	88
PID 512 wrote to memory of 4496	512	WaterMark.exe	88
PID 2152 wrote to memory of 3616	2152	iexplore.exe	89
PID 2152 wrote to memory of 3616	2152	iexplore.exe	89
PID 2152 wrote to memory of 3616	2152	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6840040cb22e5bad82fc49b87def6370.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1788
- 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:512
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 204
      4⤵
      Program crash
      PID:5044
- - 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:2152
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2152 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3616
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4952 -ip 4952
1⤵
PID:4744

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
6840040cb22e5bad82fc49b87def6370

SHA1
83ad49aaf487df77b88be2b93b67211f61f0f415

SHA256
9d3252a0880f05f0b67f1d9c35831528ccc9decdca87344088cd333e3b8b88a6

SHA512
591cab22af6e6a2a2a112791bb266943653c8d1d9101b33428dc0cb5f0d80749025bad7474f3e32108bc084be73df752fdb3766377c637514d1dfe331c946022

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

Filesize
471B

MD5
d3ef026dd88e6e5106ac84f80286c124

SHA1
75062b0190d63b6ee191c2d3fd7deed40520a363

SHA256
2ecb929a03fb648afd921206e9f84eebfe98b3b343061e6d2e5bbf3a1d02619c

SHA512
809dafd4a0fb9c3c22d3fff05ebb4c025b35a69b514ddb082565a14b3543581f1c430532b6dec2dd4da97a4c9b9818b57d91dcc6f91a3a5425f5a65a078cf64e

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

Filesize
404B

MD5
ab4ce70548e09d37850976283de859bb

SHA1
30c1479b032201583ac5977c732a31f9edfbdc9c

SHA256
f0c02a6c56bff0581489c183007c2c5a8f0109896dce34e3986584c8f9b5c65d

SHA512
d7979eb282a282eab8e80e4d040ee8b34dc5cc377fffd93a8f122e3dc413bd99233bbc756b09daad72bfee272370a9a6333d9304c66a2ac5172d277812a77e84

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/512-34-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

Filesize
4KB

Download
memory/512-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/512-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/512-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/512-29-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

Filesize
4KB

Download
memory/512-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/512-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/512-25-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/512-36-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/512-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1788-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-24-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/1788-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1788-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1788-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/1788-7-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1788-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1788-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4952-32-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/4952-31-0x0000000001010000-0x0000000001011000-memory.dmp

Filesize
4KB

Download