ramnit | 1497a1d2b407a8449dbb34740b71e7eaff261f35f5f3209edd62021f32b85000

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
14-01-2025 04:14

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General

Target

JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe
Size

92KB
MD5

35447948aac48b64b4cbaec92b7933fe
SHA1

853e79704f9d35a49066a5ce321784ceba404649
SHA256

1497a1d2b407a8449dbb34740b71e7eaff261f35f5f3209edd62021f32b85000
SHA512

597682ef6f039e23348e2a33ba775f4e45caac38529dea3fc78e62e012e52b50997993e5a2f956fed8166f30c49c9c793dc0828774d2b6e4d64c970bfcca5eb2
SSDEEP

1536:uVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:+nxwgxgfR/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
4312	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2216-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4312-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4312-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4312-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4312-33-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4312-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px771D.tmp	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3156	2916	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	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.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
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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3726516269"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{09B958B4-D22E-11EF-A7EA-4A034D48373C} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3728703749"	IEXPLORE.EXE
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\LastUpdateHighDateTime = "31155770"	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
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\DomainSuggestion\NextUpdateDate = "443593039"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	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\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155770"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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
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\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3726516269"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155770"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	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\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\DomainSuggestion	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\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe
4312	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4312	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3600	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3600	iexplore.exe
3600	iexplore.exe
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2216	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe
4312	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4312	2216	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe	83
PID 2216 wrote to memory of 4312	2216	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe	83
PID 2216 wrote to memory of 4312	2216	JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe	83
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 2916	4312	WaterMark.exe	84
PID 4312 wrote to memory of 3600	4312	WaterMark.exe	88
PID 4312 wrote to memory of 3600	4312	WaterMark.exe	88
PID 4312 wrote to memory of 1668	4312	WaterMark.exe	89
PID 4312 wrote to memory of 1668	4312	WaterMark.exe	89
PID 3600 wrote to memory of 1836	3600	iexplore.exe	91
PID 3600 wrote to memory of 1836	3600	iexplore.exe	91
PID 3600 wrote to memory of 1836	3600	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35447948aac48b64b4cbaec92b7933fe.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2216
- 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:4312
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 204
      4⤵
      Program crash
      PID:3156
- - 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:3600
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3600 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1836
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2916 -ip 2916
1⤵
PID:1016

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
35447948aac48b64b4cbaec92b7933fe

SHA1
853e79704f9d35a49066a5ce321784ceba404649

SHA256
1497a1d2b407a8449dbb34740b71e7eaff261f35f5f3209edd62021f32b85000

SHA512
597682ef6f039e23348e2a33ba775f4e45caac38529dea3fc78e62e012e52b50997993e5a2f956fed8166f30c49c9c793dc0828774d2b6e4d64c970bfcca5eb2

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
f3c95d558c40e4831d061ba6834a86f0

SHA1
093ad9c93ae1e3637f3ebc90e72e24a8b1967a18

SHA256
1ce94c3a45445cd456cdae345b0e015ddb3624854fe63e876d48b92f97c6580f

SHA512
a08a328d5baa40870435ba27c541021d1b2c6c83b960e5d73f1a4f4bf9f810e104bdc926660ebfc870ef61c77b31e54977cd690aa2477013b554ff021ee15c9d

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/2216-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-2-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2216-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-17-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2216-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2216-6-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2916-30-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/2916-29-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/4312-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4312-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4312-33-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4312-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4312-34-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/4312-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4312-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4312-26-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/4312-27-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download