ramnit | f16bf464b5815c3d9fae7dd611fb5bcaa0c4e582317f679069050f1eaf2a54ad

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:36

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General

Target

f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe
Size

92KB
MD5

f756732bae91ef970afb3cc16655e78e
SHA1

7695cc771eb96ba5293a28880457c9a3545d800c
SHA256

f16bf464b5815c3d9fae7dd611fb5bcaa0c4e582317f679069050f1eaf2a54ad
SHA512

173cd89eb311a845f8ab447cef26b796490af88de90fccad1f9b908f8f352d00317046936015044d67e3f080202b801c3061417269772fd5a002119e4640ecdd
SSDEEP

1536:rVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:jnxwgxgfR/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
2032	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1820-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2032-21-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/2032-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1820-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2032-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2032-34-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/2032-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2032-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px89E1.tmp	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	5112	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	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6496FE6A-BB67-11EF-BDBF-CA65FB447F0B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149940"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "960086716"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149940"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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 (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "957429911"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441088796"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149940"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "957429911"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe
2032	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
772	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
772	iexplore.exe
772	iexplore.exe
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE
2736	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1820	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe
2032	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2032	1820	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe	83
PID 1820 wrote to memory of 2032	1820	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe	83
PID 1820 wrote to memory of 2032	1820	f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe	83
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 5112	2032	WaterMark.exe	84
PID 2032 wrote to memory of 772	2032	WaterMark.exe	89
PID 2032 wrote to memory of 772	2032	WaterMark.exe	89
PID 2032 wrote to memory of 4504	2032	WaterMark.exe	90
PID 2032 wrote to memory of 4504	2032	WaterMark.exe	90
PID 772 wrote to memory of 2736	772	iexplore.exe	92
PID 772 wrote to memory of 2736	772	iexplore.exe	92
PID 772 wrote to memory of 2736	772	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f756732bae91ef970afb3cc16655e78e_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1820
- 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:2032
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:5112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 204
      4⤵
      Program crash
      PID:2276
- - 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:772
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:772 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2736
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
1⤵
PID:3324

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
f756732bae91ef970afb3cc16655e78e

SHA1
7695cc771eb96ba5293a28880457c9a3545d800c

SHA256
f16bf464b5815c3d9fae7dd611fb5bcaa0c4e582317f679069050f1eaf2a54ad

SHA512
173cd89eb311a845f8ab447cef26b796490af88de90fccad1f9b908f8f352d00317046936015044d67e3f080202b801c3061417269772fd5a002119e4640ecdd

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

Filesize
471B

MD5
cda3a1245093d86501ad9761f10320fa

SHA1
9ff6b95b0a72732f8afbd9504fa640bec134b498

SHA256
eb60e5aa4327f06e072f6b97c6a52532aa55d5a5dc53e1d48ecced85da6214dc

SHA512
51abd474d484588dd1cdc5580cf28d6a5d0481a4488f1f5b8a491c4f30ecaf5ba8cffa9c9ac696358d6725c6e290e8d28d2e3984d3d55f0ae496a65bc4142a1d

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

Filesize
404B

MD5
4c3eb55f992e6ee246433a74c5c88808

SHA1
e7ee1f0dd16ea4edbbe301f1fd9402c04d6b7465

SHA256
62d4f37b59b371c7a67b06ec3f5276d5d770422f1c176a8585e192de7bec264d

SHA512
1f75b24281b5e47bb187eef95f2c868d630b5807f8fb0fcf85bbdc8f0b45a57a8b25d96a5227b5544efa238f9050a0ad76be76e1f11c2639afb4d849993c7c73

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1820-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-7-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1820-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1820-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-25-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/1820-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/1820-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1820-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1820-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-24-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2032-27-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/2032-32-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/2032-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2032-34-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2032-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-21-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5112-30-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/5112-31-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download