ramnit | 29eafd0921383977f0bd7d8b57ba9e44d326520ea1e0d02fbef2806870fae303

General

Target

JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe
Size

136KB
MD5

f06fb99cbc73c95a41baa4f84e6d3ba7
SHA1

f45aa611eddbe9b1d35900b6462a1dbb2c9e0793
SHA256

29eafd0921383977f0bd7d8b57ba9e44d326520ea1e0d02fbef2806870fae303
SHA512

7bc1e58563c292180febf136694510f3ac85362596ec59830dc79dc13a8290237cba6f34184a8cde289ab48c552367976ee5f3a502d0e2383ae794f6d62b48a8
SSDEEP

768:h06R0UEgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICY:HR0In3Pc0LCH9MtbvabUDzJYWu3Bb

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
3488	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3488-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3488-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3916-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3488-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3488-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3488-33-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/3488-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3488-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9DC6.tmp	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3896	2856	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_f06fb99cbc73c95a41baa4f84e6d3ba7.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9075C9AB-D74B-11EF-AF2A-DEEFF298442C} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444155481"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157080"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1850639465"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157080"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1850483147"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe
3488	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2460	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2460	iexplore.exe
2460	iexplore.exe
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3916	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe
3488	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3488	3916	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe	83
PID 3916 wrote to memory of 3488	3916	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe	83
PID 3916 wrote to memory of 3488	3916	JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe	83
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2856	3488	WaterMark.exe	84
PID 3488 wrote to memory of 2460	3488	WaterMark.exe	89
PID 3488 wrote to memory of 2460	3488	WaterMark.exe	89
PID 3488 wrote to memory of 5112	3488	WaterMark.exe	90
PID 3488 wrote to memory of 5112	3488	WaterMark.exe	90
PID 2460 wrote to memory of 2712	2460	iexplore.exe	91
PID 2460 wrote to memory of 2712	2460	iexplore.exe	91
PID 2460 wrote to memory of 2712	2460	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f06fb99cbc73c95a41baa4f84e6d3ba7.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3916
- 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:3488
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 216
      4⤵
      Program crash
      PID:3896
- - 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:2460
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2460 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2712
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2856 -ip 2856
1⤵
PID:1948

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
136KB

MD5
f06fb99cbc73c95a41baa4f84e6d3ba7

SHA1
f45aa611eddbe9b1d35900b6462a1dbb2c9e0793

SHA256
29eafd0921383977f0bd7d8b57ba9e44d326520ea1e0d02fbef2806870fae303

SHA512
7bc1e58563c292180febf136694510f3ac85362596ec59830dc79dc13a8290237cba6f34184a8cde289ab48c552367976ee5f3a502d0e2383ae794f6d62b48a8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86C

Filesize
779B

MD5
bd91c1709df06861dcef95a5e53fc0c4

SHA1
fc30a0b8525300092e70bf3b76a1a873efc96dad

SHA256
02b7792a4b73942023f760ef066fbf20e3fdcf192c0ec5f2d0cb56e4478e7068

SHA512
7841465e3649a216df029e1fef80d38222a63b1f8be8182ce5793de12b70401342b9e1d3110015028c7a60cec71cfe4a84536c78ea6c601f0571f6e7cf1cd922

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\69C6F6EC64E114822DF688DC12CDD86C

Filesize
246B

MD5
75ff2c4f4d37f6ab7d53bcf656d18042

SHA1
58bb821f05b11cfbc74077c63c0247d43c686f91

SHA256
9149f732a993909808c26c6437d6e033eedec6e8e5b2721c63fdd99f62f4e933

SHA512
2688d781ddf476fe1c782e3935cf588f45bc3d03574833fe542fecdf94ea8f98cb93fd9464f42fb58a6ceb09c8b68d3906379e42da834d0f2125a7fd889bedad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2856-30-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/2856-31-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/3488-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3488-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3488-28-0x0000000077DA2000-0x0000000077DA3000-memory.dmp

Filesize
4KB

Download
memory/3488-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-33-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3488-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-36-0x0000000077DA2000-0x0000000077DA3000-memory.dmp

Filesize
4KB

Download
memory/3916-7-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3916-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-2-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3916-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-0-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3916-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-9-0x00000000016B0000-0x00000000016B1000-memory.dmp

Filesize
4KB

Download
memory/3916-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3916-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download

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