ramnit | 13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111

General

Target

JaffaCakes118_78425637307464d7b85caab08d589840.exe
Size

88KB
MD5

78425637307464d7b85caab08d589840
SHA1

3b913ae4d561250aa9ded8ea0c855ac43d4d0f3c
SHA256

13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111
SHA512

db36cdba90eefe3c776d71ebf197892c5694dd53c65ff8196feef6952182561250de6bd8c2f0fd4cb5d4ab624b50c03c510ff1ceb5be8006855337fee7e4e459
SSDEEP

768:w06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:+R0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
5024	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4904-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5024-22-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/5024-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4904-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5024-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5024-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5024-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB621.tmp	JaffaCakes118_78425637307464d7b85caab08d589840.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_78425637307464d7b85caab08d589840.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_78425637307464d7b85caab08d589840.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3332	3560	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_78425637307464d7b85caab08d589840.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "89641626"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "87766880"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{30D66F46-D55E-11EF-B9D5-C67090DD1599} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443943574"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe
5024	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2340	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2340	iexplore.exe
2340	iexplore.exe
4784	IEXPLORE.EXE
4784	IEXPLORE.EXE
4784	IEXPLORE.EXE
4784	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4904	JaffaCakes118_78425637307464d7b85caab08d589840.exe
5024	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 5024	4904	JaffaCakes118_78425637307464d7b85caab08d589840.exe	82
PID 4904 wrote to memory of 5024	4904	JaffaCakes118_78425637307464d7b85caab08d589840.exe	82
PID 4904 wrote to memory of 5024	4904	JaffaCakes118_78425637307464d7b85caab08d589840.exe	82
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 3560	5024	WaterMark.exe	83
PID 5024 wrote to memory of 2340	5024	WaterMark.exe	87
PID 5024 wrote to memory of 2340	5024	WaterMark.exe	87
PID 5024 wrote to memory of 3652	5024	WaterMark.exe	88
PID 5024 wrote to memory of 3652	5024	WaterMark.exe	88
PID 2340 wrote to memory of 4784	2340	iexplore.exe	89
PID 2340 wrote to memory of 4784	2340	iexplore.exe	89
PID 2340 wrote to memory of 4784	2340	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78425637307464d7b85caab08d589840.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78425637307464d7b85caab08d589840.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4904
- 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:5024
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 204
      4⤵
      Program crash
      PID:3332
- - 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:2340
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2340 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4784
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 3560
1⤵
PID:4836

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
88KB

MD5
78425637307464d7b85caab08d589840

SHA1
3b913ae4d561250aa9ded8ea0c855ac43d4d0f3c

SHA256
13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111

SHA512
db36cdba90eefe3c776d71ebf197892c5694dd53c65ff8196feef6952182561250de6bd8c2f0fd4cb5d4ab624b50c03c510ff1ceb5be8006855337fee7e4e459

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

Filesize
471B

MD5
37827a5b375c40c1d7c482099e06c5bb

SHA1
48a43de39625e410113ec4d2d3e355535c7163a9

SHA256
ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51

SHA512
e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e

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

Filesize
404B

MD5
39e671289a25da17353c58fc02637084

SHA1
639fb790da7e5368d649d9ae621192ae8615edc0

SHA256
298a4425f26ea22b8ff52059f3cde1a44832d25f578c50bbe99c29fd0d0c5892

SHA512
a1d8ba7133b365bd6d80698e251be7f0e48ece9b00efdc2808325a4cb000d9b62819868172b762486116658165beec6b6eda1a0f6313e7fdfbae74d89b986b08

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3560-30-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3560-31-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/4904-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-5-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4904-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4904-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4904-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4904-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/5024-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5024-29-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/5024-32-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/5024-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/5024-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5024-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5024-22-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/5024-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/5024-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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