ramnit | a7a918a2a1f22260a5271da0738e96379fc59739e074f40b74c417aeb9197a3b

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 09:28

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General

Target

5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe
Size

120KB
MD5

5b5bf7cf88dc08e6c4af7f954fb40e26
SHA1

c5f769de55887859d8cfb5e1c0421a0808005b5f
SHA256

a7a918a2a1f22260a5271da0738e96379fc59739e074f40b74c417aeb9197a3b
SHA512

cf4d70e675712b9b5d2dd9eba6cc8a0c0cddd6924cf63fdbd81d23cf13a35282103ada2cd200a84def4b9303ee05bbe5d4519b6d78a617ffe7a92fa9c381a3bd
SSDEEP

768:rQxkwiRBsIqHpcrkMEYEhA7P4RhAtmaZFb79U9MKAjBEig6/1k21m3uHRdMNDj2Y:r8kwifTEhU4HDa1KkjWXUa21mc/Mue9

Score

10^/10

ramnit banker 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

Executes dropped EXE 1 IoCs

pid	Process
3852	WaterMark.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3292-2-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3852-10-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3852-13-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3852-9-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3292-8-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3852-19-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3852-20-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxBB41.tmp	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	5000	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119806"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119806"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "591377168"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4EBBEDE7-45B1-11EF-9A70-569E95E35100} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "428146305"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119806"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "588408482"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "588408482"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe
3852	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3852	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3664	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3664	iexplore.exe
3664	iexplore.exe
648	IEXPLORE.EXE
648	IEXPLORE.EXE
648	IEXPLORE.EXE
648	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 3852	3292	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe	84
PID 3292 wrote to memory of 3852	3292	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe	84
PID 3292 wrote to memory of 3852	3292	5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe	84
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 5000	3852	WaterMark.exe	85
PID 3852 wrote to memory of 3664	3852	WaterMark.exe	94
PID 3852 wrote to memory of 3664	3852	WaterMark.exe	94
PID 3852 wrote to memory of 4932	3852	WaterMark.exe	95
PID 3852 wrote to memory of 4932	3852	WaterMark.exe	95
PID 3664 wrote to memory of 648	3664	iexplore.exe	96
PID 3664 wrote to memory of 648	3664	iexplore.exe	96
PID 3664 wrote to memory of 648	3664	iexplore.exe	96

C:\Users\Admin\AppData\Local\Temp\5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b5bf7cf88dc08e6c4af7f954fb40e26_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3852
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:5000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 204
      4⤵
      Program crash
      PID:2068
- - 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:3664
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3664 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:648
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5000 -ip 5000
1⤵
PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
120KB

MD5
5b5bf7cf88dc08e6c4af7f954fb40e26

SHA1
c5f769de55887859d8cfb5e1c0421a0808005b5f

SHA256
a7a918a2a1f22260a5271da0738e96379fc59739e074f40b74c417aeb9197a3b

SHA512
cf4d70e675712b9b5d2dd9eba6cc8a0c0cddd6924cf63fdbd81d23cf13a35282103ada2cd200a84def4b9303ee05bbe5d4519b6d78a617ffe7a92fa9c381a3bd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\I0E3LJN0\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3292-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3292-1-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3292-2-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3292-8-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-17-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/3852-16-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/3852-18-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/3852-19-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3852-11-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/5000-14-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

Filesize
4KB

Download
memory/5000-15-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download