ramnit | 13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111

General

Target

13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.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
2420	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2228-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2420-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2228-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2420-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2420-29-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2420-35-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2420-36-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/2420-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2420-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px83D6.tmp	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2372	4396	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	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.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\DomainSuggestion\FileNames	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\DomainSuggestion	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4046796936"	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\Main	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
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444115339"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1CBFC10C-D6EE-11EF-ADF2-C67090DD1599} = "0"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4047734578"	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\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156986"	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
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 (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\LastCheckForUpdateHighDateTime = "31156986"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe
2420	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3328	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3328	iexplore.exe
3328	iexplore.exe
760	IEXPLORE.EXE
760	IEXPLORE.EXE
760	IEXPLORE.EXE
760	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2228	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe
2420	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2420	2228	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe	82
PID 2228 wrote to memory of 2420	2228	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe	82
PID 2228 wrote to memory of 2420	2228	13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe	82
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 4396	2420	WaterMark.exe	83
PID 2420 wrote to memory of 3328	2420	WaterMark.exe	87
PID 2420 wrote to memory of 3328	2420	WaterMark.exe	87
PID 2420 wrote to memory of 1704	2420	WaterMark.exe	88
PID 2420 wrote to memory of 1704	2420	WaterMark.exe	88
PID 3328 wrote to memory of 760	3328	iexplore.exe	89
PID 3328 wrote to memory of 760	3328	iexplore.exe	89
PID 3328 wrote to memory of 760	3328	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe
"C:\Users\Admin\AppData\Local\Temp\13dbada6f6ea55c82b930f128878fc20a72a0627038801c22e348c0989dc8111N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2228
- 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:2420
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 204
      4⤵
      Program crash
      PID:2372
- - 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:3328
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3328 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:760
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4396 -ip 4396
1⤵
PID:2072

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
5c880ecece7595aea41224edbf5f8bba

SHA1
883636d01cf260db4e245913bf0bf90ead6bbacf

SHA256
31736fecaf227fc906a4146252d5b452d9118e68c3a12c72095969f42724c621

SHA512
d5f565aa1cafa0fa8217c59355e7289138b862a99df2bbea6059b4f4ec1af0bd337e53d8349b9595606dfddbfe82d743ee748cff9b7c65b741d09e3cf9abb1cc

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

Filesize
404B

MD5
0ceba3d49fe00132b1cde64e128b8347

SHA1
ca083aca4591ef0d50d6282a69ab8b949ec552aa

SHA256
5f14144a8b46192a9a69050da1252d2f4c3f6fa69ec5a19c2653259abd3077a6

SHA512
3cf7a1999658d23d45acbfd236a774e2c96ff711a7b595d7a385d8e469e2b2037afd09c7215d69c3107c05253b7bb1218bcb82b4386e45d6dbd9c55d4d835cb7

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/2228-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-6-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2228-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2228-5-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2228-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2228-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2420-36-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2420-35-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2420-18-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2420-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2420-30-0x0000000077752000-0x0000000077753000-memory.dmp

Filesize
4KB

Download
memory/2420-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2420-34-0x0000000077752000-0x0000000077753000-memory.dmp

Filesize
4KB

Download
memory/2420-29-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2420-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2420-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2420-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2420-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4396-31-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/4396-32-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

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