ramnit | 102731debd38f3c2c6c961ae44b9273c3cd1f85c594b9c6d7742677921de8da8

General

Target

JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe
Size

112KB
MD5

c433a158a7942bc61383858d38a3c303
SHA1

9be1098c0b30485ac486f23b1d738c1198f54c6e
SHA256

102731debd38f3c2c6c961ae44b9273c3cd1f85c594b9c6d7742677921de8da8
SHA512

c61173d43a9693b0de53ae398a279fd8137d8a6b2c9e65a276d4c13b66970a0bf127d9221b4dc99088fdb3ae701ab36b44378f1dc4462f292a49ebb5402d45ff
SSDEEP

1536:dVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:tnxwgxgfR/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
540	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4460-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4460-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-32-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/540-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px68FB.tmp	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1908	3492	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_c433a158a7942bc61383858d38a3c303.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156822"	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\FileNames\	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\WindowsSearch	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\Main\CompatibilityFlags = "0"	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\VersionManager	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\Main	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3133818754"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E5AB8972-D649-11EF-B319-DA67B56E6C1B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3133193967"	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 (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444044811"	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
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 (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156822"	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\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2624	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2624	iexplore.exe
2624	iexplore.exe
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4460	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe
540	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 540	4460	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe	83
PID 4460 wrote to memory of 540	4460	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe	83
PID 4460 wrote to memory of 540	4460	JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe	83
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 3492	540	WaterMark.exe	84
PID 540 wrote to memory of 2624	540	WaterMark.exe	89
PID 540 wrote to memory of 2624	540	WaterMark.exe	89
PID 540 wrote to memory of 4496	540	WaterMark.exe	90
PID 540 wrote to memory of 4496	540	WaterMark.exe	90
PID 2624 wrote to memory of 4800	2624	iexplore.exe	92
PID 2624 wrote to memory of 4800	2624	iexplore.exe	92
PID 2624 wrote to memory of 4800	2624	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c433a158a7942bc61383858d38a3c303.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4460
- 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:540
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 216
      4⤵
      Program crash
      PID:1908
- - 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:2624
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2624 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4800
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492
1⤵
PID:2020

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
112KB

MD5
c433a158a7942bc61383858d38a3c303

SHA1
9be1098c0b30485ac486f23b1d738c1198f54c6e

SHA256
102731debd38f3c2c6c961ae44b9273c3cd1f85c594b9c6d7742677921de8da8

SHA512
c61173d43a9693b0de53ae398a279fd8137d8a6b2c9e65a276d4c13b66970a0bf127d9221b4dc99088fdb3ae701ab36b44378f1dc4462f292a49ebb5402d45ff

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
630d0d56c6464a24f4ec65f2b2913513

SHA1
476a7291a7eeba54fe765bff45e5c7b24445f545

SHA256
1769f63665f01edf60a6fc3aa67539a7fed64ac58ca2911697e9d607b5c783f4

SHA512
de19d283a45828f229de4b1a715165872bb38bf9f768e63b85499a17980fbf3807d929056818de142e847d9abba62aef7661498ecc219445809016b4cdd0239c

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/540-33-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

Filesize
4KB

Download
memory/540-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/540-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/540-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/540-32-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/540-31-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/540-27-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

Filesize
4KB

Download
memory/540-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/540-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3492-30-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/3492-29-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/4460-17-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4460-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4460-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4460-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4460-7-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/4460-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download

Analysis

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