ramnit | 28e020856724dc7cb9af6e9fef66db5837931e8461f0182a3034bf753928e829

General

Target

JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe
Size

93KB
MD5

5d1ba9a52c67d9fd6a92aae45ce9bd4c
SHA1

c755a5f85fb895c3b774d7836d14c0812ec4372d
SHA256

28e020856724dc7cb9af6e9fef66db5837931e8461f0182a3034bf753928e829
SHA512

ddc310458bccf3a7eef01caa241511049e4ab52a155780610402b71d2237313f71a406a250e5ddb49562e3a05700a7087557d80321f953f986feef3311def72d
SSDEEP

1536:DVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEh:bnxwgxgfR/DVG7wBpEh

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
3048	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2628-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-21-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3048-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2628-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3048-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8647.tmp	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4984	3856	WerFault.exe	83

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_5d1ba9a52c67d9fd6a92aae45ce9bd4c.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 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443725988"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{957A123A-D363-11EF-ADF2-7ECF469E42CC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1778243385"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1777461738"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156080"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156080"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe
3048	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2144	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2144	iexplore.exe
2144	iexplore.exe
460	IEXPLORE.EXE
460	IEXPLORE.EXE
460	IEXPLORE.EXE
460	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2628	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe
3048	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 3048	2628	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe	82
PID 2628 wrote to memory of 3048	2628	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe	82
PID 2628 wrote to memory of 3048	2628	JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe	82
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 3856	3048	WaterMark.exe	83
PID 3048 wrote to memory of 2144	3048	WaterMark.exe	87
PID 3048 wrote to memory of 2144	3048	WaterMark.exe	87
PID 3048 wrote to memory of 2544	3048	WaterMark.exe	88
PID 3048 wrote to memory of 2544	3048	WaterMark.exe	88
PID 2144 wrote to memory of 460	2144	iexplore.exe	89
PID 2144 wrote to memory of 460	2144	iexplore.exe	89
PID 2144 wrote to memory of 460	2144	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d1ba9a52c67d9fd6a92aae45ce9bd4c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2628
- 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:3048
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 204
      4⤵
      Program crash
      PID:4984
- - 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:2144
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2144 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:460
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3856 -ip 3856
1⤵
PID:876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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
93KB

MD5
5d1ba9a52c67d9fd6a92aae45ce9bd4c

SHA1
c755a5f85fb895c3b774d7836d14c0812ec4372d

SHA256
28e020856724dc7cb9af6e9fef66db5837931e8461f0182a3034bf753928e829

SHA512
ddc310458bccf3a7eef01caa241511049e4ab52a155780610402b71d2237313f71a406a250e5ddb49562e3a05700a7087557d80321f953f986feef3311def72d

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

Filesize
471B

MD5
9e22a9c34466faf7bc9cf642444b3f30

SHA1
0ac45262532cce40083cc9049fb12d4efb06c01f

SHA256
57569469879a3144b391cf9def258ad9ef29d7fd1d3d70a28cfb506443d7a119

SHA512
c60649fb0ecdd14c9a6d8f9ea7ac4356b24a5e1a238705bbc8294b72ea2fda21965af200746ae20dd5f45e386fc30e2189de6007e08ff3d7ec72b8dfc39435fe

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

Filesize
404B

MD5
5405a73c57440fc4aa3798a21602e1cf

SHA1
953ee7ec6140a3825b7443586ffe6297175b472d

SHA256
744229f9dacaf5c1d70f4c25471a242b5361b1bd012b8473148c73e62cb61380

SHA512
7e94752e48c630d624ccd4c0fd26daffc301d0180ca0996a3eecc8379bc7d2bd0f8f2f155ed73691c5d3590cecfcfd037a199087d0e51bb7144a375971a6e5cd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2628-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-2-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2628-0-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2628-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2628-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-7-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/2628-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2628-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-21-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3048-28-0x00000000776C2000-0x00000000776C3000-memory.dmp

Filesize
4KB

Download
memory/3048-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3048-35-0x00000000776C2000-0x00000000776C3000-memory.dmp

Filesize
4KB

Download
memory/3048-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3048-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3048-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3856-31-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/3856-30-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download

Analysis

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