ramnit | 10485536ff4fb7ba8ba714db3597e1323a0524f5549edf516dc374f9acf10da0

General

Target

JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe
Size

123KB
MD5

66d7352cd9815ccd77185b34bb611ddb
SHA1

260e16cf94334a8f39b3980b475959204ea5acd4
SHA256

10485536ff4fb7ba8ba714db3597e1323a0524f5549edf516dc374f9acf10da0
SHA512

96b8f615af1a75ce4debb324b3f0b8a58fe5c49697f5a58526064ee3c8bdbc55798fabc35034d8a6be81c395adaf5fee96587703f26143ea88e659b0301eb770
SSDEEP

768:y06R0UtgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:4R0Zn3Pc0LCH9MtbvabUDzJYWu3B

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
1564	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1532-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1532-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1564-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1564-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1564-32-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1564-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1564-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6AEF.tmp	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1120	4624	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_66d7352cd9815ccd77185b34bb611ddb.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-1-5-21-2878641211-696417878-3864914810-1000\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\Main\WindowsSearch\Version = "WS not running"	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\LastCheckForUpdateHighDateTime = "31156148"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D913266F-D3A7-11EF-B319-EE8B2F3CE00B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	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\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2912192567"	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\VersionManager\LastCheckForUpdateLowDateTime = "2913911737"	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\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
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\LastCheckForUpdateHighDateTime = "31156148"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	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
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
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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443755307"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe
1564	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3928	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3928	iexplore.exe
3928	iexplore.exe
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE
2556	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1532	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe
1564	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1564	1532	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe	83
PID 1532 wrote to memory of 1564	1532	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe	83
PID 1532 wrote to memory of 1564	1532	JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe	83
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 4624	1564	WaterMark.exe	84
PID 1564 wrote to memory of 3928	1564	WaterMark.exe	89
PID 1564 wrote to memory of 3928	1564	WaterMark.exe	89
PID 1564 wrote to memory of 2268	1564	WaterMark.exe	90
PID 1564 wrote to memory of 2268	1564	WaterMark.exe	90
PID 3928 wrote to memory of 2556	3928	iexplore.exe	92
PID 3928 wrote to memory of 2556	3928	iexplore.exe	92
PID 3928 wrote to memory of 2556	3928	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66d7352cd9815ccd77185b34bb611ddb.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1532
- 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:1564
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4624
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 204
      4⤵
      Program crash
      PID:1120
- - 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:3928
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3928 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2556
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 4624
1⤵
PID:2080

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
123KB

MD5
66d7352cd9815ccd77185b34bb611ddb

SHA1
260e16cf94334a8f39b3980b475959204ea5acd4

SHA256
10485536ff4fb7ba8ba714db3597e1323a0524f5549edf516dc374f9acf10da0

SHA512
96b8f615af1a75ce4debb324b3f0b8a58fe5c49697f5a58526064ee3c8bdbc55798fabc35034d8a6be81c395adaf5fee96587703f26143ea88e659b0301eb770

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
f1c49a66850a608bb2dfacc96b88b7bd

SHA1
353907ef1a19963a56d0b45f0daf1040e5c3cdd3

SHA256
e6753de8f5efa4aac5c549b0ae06b94ffbac17a00e792b6c0929618bea29ab13

SHA512
f1b7db4015bb8eebf34ebe775f00d21bfc65c2d9c0b3a27e29955c8e55e7de19d51284f16f8926e4ece31b74ff6993d6aae41ce39885267860cb21cad8d81766

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/1532-17-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1532-7-0x0000000001920000-0x0000000001921000-memory.dmp

Filesize
4KB

Download
memory/1532-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1532-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1532-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1532-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1532-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1564-27-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/1564-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1564-31-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1564-32-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1564-33-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/1564-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1564-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1564-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1564-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-29-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/4624-30-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download

Analysis

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