ramnit | 6cc9efa061cac23188c8bb0468a97375ecf59485a1ae88530a7fec9b6baa31d1

General

Target

JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe
Size

92KB
MD5

0d656a6aa01526dd1c0d725ea0cab390
SHA1

c6446a5bb36321ca02d38815dc1da4a38c8207ae
SHA256

6cc9efa061cac23188c8bb0468a97375ecf59485a1ae88530a7fec9b6baa31d1
SHA512

171999232c697ae1a62cb20e916784f92b92581bbeffdeeeb6570d9dff2d5a232f82f4f69547ea126002e8149c6934d43776e0bae944d0a9e1ddba4a164e509e
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
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
4692	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3440-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3440-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4692-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4692-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4692-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4692-33-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4692-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB19D.tmp	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1040	804	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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{036A676C-D8B8-11EF-AEE2-CEB9D96D8528} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3622710134"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444312006"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157444"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3620522931"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157444"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe
4692	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4692	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2736	iexplore.exe
2736	iexplore.exe
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE
1416	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3440	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe
4692	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 4692	3440	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe	83
PID 3440 wrote to memory of 4692	3440	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe	83
PID 3440 wrote to memory of 4692	3440	JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe	83
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 804	4692	WaterMark.exe	84
PID 4692 wrote to memory of 2736	4692	WaterMark.exe	88
PID 4692 wrote to memory of 2736	4692	WaterMark.exe	88
PID 4692 wrote to memory of 652	4692	WaterMark.exe	89
PID 4692 wrote to memory of 652	4692	WaterMark.exe	89
PID 2736 wrote to memory of 1416	2736	iexplore.exe	91
PID 2736 wrote to memory of 1416	2736	iexplore.exe	91
PID 2736 wrote to memory of 1416	2736	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d656a6aa01526dd1c0d725ea0cab390.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440
- 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:4692
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:804
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 204
      4⤵
      Program crash
      PID:1040
- - 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:2736
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2736 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1416
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 804 -ip 804
1⤵
PID:4276

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
92KB

MD5
0d656a6aa01526dd1c0d725ea0cab390

SHA1
c6446a5bb36321ca02d38815dc1da4a38c8207ae

SHA256
6cc9efa061cac23188c8bb0468a97375ecf59485a1ae88530a7fec9b6baa31d1

SHA512
171999232c697ae1a62cb20e916784f92b92581bbeffdeeeb6570d9dff2d5a232f82f4f69547ea126002e8149c6934d43776e0bae944d0a9e1ddba4a164e509e

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

Filesize
471B

MD5
2c48c73220d62a8faffe599e95896274

SHA1
452cd4222360fe7e881055d815ec65a2bbac564b

SHA256
35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

SHA512
6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

Filesize
404B

MD5
58fec2dbb73c1c39c523df746d4b7fd1

SHA1
8634e68d391d8b5c1602e4d68241ae28eca7fa4f

SHA256
7561dd5844c271e3552528130f6aa1b95af5075db223988d9a8d7d80ac1ba8a4

SHA512
fb3a4fa81b17a4535011b10ced49d9405644fadeb4658329d377a68c007f60ae252ca854e1772c13566d6b1a71e11c8f0c591b8fe0468c6d22e7f3c271e180ce

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/804-30-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/804-31-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/3440-7-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/3440-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-22-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3440-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-0-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3440-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3440-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4692-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4692-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4692-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4692-34-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/4692-33-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4692-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4692-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4692-29-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/4692-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

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