ramnit | b9b4468bb0e38fc053e30e93fd63a93027b5339407fb24be2cfd15f4e6accd30

Resubmissions

08/09/2024, 13:22

240908-qmjx9azhng 10

08/09/2024, 13:18

240908-qj13cszgmd 10

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 13:18

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General

Target

d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe
Size

92KB
MD5

d4735c97976979e50b382c24f1f89103
SHA1

855af19bf14866556f0b8795e3bb6c90a93809c0
SHA256

b9b4468bb0e38fc053e30e93fd63a93027b5339407fb24be2cfd15f4e6accd30
SHA512

ef61aaabf22ab0562e5d7a36259a3d3089b78ab38e155cfff50471b247290ea5fd515180715365469041bcc4f995894cfc15e60c2a7ae249da5050cbb7458f2b
SSDEEP

1536:UVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:EnxwgxgfR/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

Executes dropped EXE 1 IoCs

pid	Process
4280	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4552-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4280-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4280-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4552-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4280-32-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4280-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4280-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4280-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7167.tmp	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	3376	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	d4735c97976979e50b382c24f1f89103_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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130097"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130097"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2762431468"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130097"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130097"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2763212585"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2763056829"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432566473"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D0285BC7-6DE4-11EF-9912-4A4A300BA5D9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2762431468"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe
4280	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1036	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1036	iexplore.exe
1036	iexplore.exe
3276	IEXPLORE.EXE
3276	IEXPLORE.EXE
3276	IEXPLORE.EXE
3276	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4552	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe
4280	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 4280	4552	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe	83
PID 4552 wrote to memory of 4280	4552	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe	83
PID 4552 wrote to memory of 4280	4552	d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe	83
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 3376	4280	WaterMark.exe	84
PID 4280 wrote to memory of 1036	4280	WaterMark.exe	94
PID 4280 wrote to memory of 1036	4280	WaterMark.exe	94
PID 4280 wrote to memory of 3980	4280	WaterMark.exe	95
PID 4280 wrote to memory of 3980	4280	WaterMark.exe	95
PID 1036 wrote to memory of 3276	1036	iexplore.exe	96
PID 1036 wrote to memory of 3276	1036	iexplore.exe	96
PID 1036 wrote to memory of 3276	1036	iexplore.exe	96

C:\Users\Admin\AppData\Local\Temp\d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d4735c97976979e50b382c24f1f89103_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4552
- 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:4280
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3376 -s 204
      4⤵
      Program crash
      PID:2088
- - 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:1036
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1036 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3276
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3376 -ip 3376
1⤵
PID:4868

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
d4735c97976979e50b382c24f1f89103

SHA1
855af19bf14866556f0b8795e3bb6c90a93809c0

SHA256
b9b4468bb0e38fc053e30e93fd63a93027b5339407fb24be2cfd15f4e6accd30

SHA512
ef61aaabf22ab0562e5d7a36259a3d3089b78ab38e155cfff50471b247290ea5fd515180715365469041bcc4f995894cfc15e60c2a7ae249da5050cbb7458f2b

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

Filesize
471B

MD5
7f9b88e0292691833018388229acfbfa

SHA1
50e3d82743913a3f81313549c45dab1ebc3bd69a

SHA256
2b930c9f3a0fff3fec9effa7f5d159d5b5c81465a1e23cf040cbcd6ab085b119

SHA512
e74cc60bceecdcbe66a67f62921daad7de864d20de476a3a18484b811ba97d1cafe702c2eacb6ba432119186db27f76ffc0fc692fd320d0c0228ec5d598c68a8

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

Filesize
404B

MD5
5f9cec076cd44fabd091373952398d70

SHA1
c5f0e77aba573b429420eff22d11a57b2d9551c7

SHA256
dabf96aa9b75fb4b7274167f272636675aef9cab1d7e562da63ed064f8ae70c6

SHA512
c6cab9114c449fceb4c6182e8eb44baa6cbb42fda73b419d7e2ba492f90c8c8dceb1d5424bd2727d98b01d0593c770732bb7bd92bd874b848a4f2ff8cc91785d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF4B0.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4329235D\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3376-30-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/3376-29-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/4280-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4280-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4280-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4280-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4280-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/4280-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4280-27-0x0000000076F92000-0x0000000076F93000-memory.dmp

Filesize
4KB

Download
memory/4280-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4280-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4280-31-0x0000000076F92000-0x0000000076F93000-memory.dmp

Filesize
4KB

Download
memory/4280-32-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4552-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/4552-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4552-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download