ramnit | 2602dfe432e5021c0654f015c2c30c4f2790872343710245c2005c1b77337be6

General

Target

JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe
Size

184KB
MD5

b394729f1aa0b1ea05b753cf7a0bd1f8
SHA1

51c6ca4451baa287e7bdf4b426e355d2175ddb28
SHA256

2602dfe432e5021c0654f015c2c30c4f2790872343710245c2005c1b77337be6
SHA512

5f1b534b35aad584cb5f3277a7ea23fc0835713db91882daf1128081f3ce9ee196c910b59711214cdb661814c692dcc6ec4107da263659603bb8d3cbd66d333d
SSDEEP

768:d06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:7R0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
1752	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2268-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2268-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2268-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1752-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1752-22-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/2268-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2268-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2268-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2268-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1752-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1752-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxACAB.tmp	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2508	3380	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_b394729f1aa0b1ea05b753cf7a0bd1f8.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
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9A558040-D5D9-11EF-B319-FE5A08828E79} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443996579"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156710"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1859263674"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156710"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1860829827"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe
1752	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3688	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3688	iexplore.exe
3688	iexplore.exe
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2268	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe
1752	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1752	2268	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe	83
PID 2268 wrote to memory of 1752	2268	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe	83
PID 2268 wrote to memory of 1752	2268	JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe	83
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3380	1752	WaterMark.exe	84
PID 1752 wrote to memory of 3688	1752	WaterMark.exe	89
PID 1752 wrote to memory of 3688	1752	WaterMark.exe	89
PID 1752 wrote to memory of 2652	1752	WaterMark.exe	90
PID 1752 wrote to memory of 2652	1752	WaterMark.exe	90
PID 3688 wrote to memory of 2712	3688	iexplore.exe	92
PID 3688 wrote to memory of 2712	3688	iexplore.exe	92
PID 3688 wrote to memory of 2712	3688	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b394729f1aa0b1ea05b753cf7a0bd1f8.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2268
- 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:1752
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 204
      4⤵
      Program crash
      PID:2508
- - 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:3688
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3688 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2712
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3380 -ip 3380
1⤵
PID:4932

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
184KB

MD5
b394729f1aa0b1ea05b753cf7a0bd1f8

SHA1
51c6ca4451baa287e7bdf4b426e355d2175ddb28

SHA256
2602dfe432e5021c0654f015c2c30c4f2790872343710245c2005c1b77337be6

SHA512
5f1b534b35aad584cb5f3277a7ea23fc0835713db91882daf1128081f3ce9ee196c910b59711214cdb661814c692dcc6ec4107da263659603bb8d3cbd66d333d

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

Filesize
471B

MD5
4363732b094e06ea613be8ca268f5460

SHA1
ad4d6ca8f2362a24800a1f752f99d7c55c0ce862

SHA256
0bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d

SHA512
b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99

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

Filesize
404B

MD5
83d3ec9bdacb94eab6cbd3d06653c260

SHA1
7eb18e752cc589224ad2067d3c5dc78072c517d8

SHA256
807ee338504056f9906253ac91adf8aa15a153eb8802e8def0f494a08f259155

SHA512
27bbc89915e7fc7de711665ff7e5366d4cdc3f2ad7ba02a675116e3dfbae74d59c3966a7003fbb05c3396e561d3391dbee75250963c2006d15ca4fc438abf5ab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1752-22-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1752-33-0x00000000771E2000-0x00000000771E3000-memory.dmp

Filesize
4KB

Download
memory/1752-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1752-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1752-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1752-28-0x00000000771E2000-0x00000000771E3000-memory.dmp

Filesize
4KB

Download
memory/1752-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1752-25-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2268-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-4-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2268-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-0-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2268-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2268-6-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/2268-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3380-30-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/3380-31-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download

Analysis

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