ramnit | 039c22b2f7b323fa283a15570514ad3c2257a61d0731643871f965f8689f2248

General

Target

JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe
Size

60KB
MD5

b42ce7f41bb73a330fc3c0d32e2fcfbc
SHA1

3ae68aab4585d7e0b8047c6ce4f211b956f1cbf1
SHA256

039c22b2f7b323fa283a15570514ad3c2257a61d0731643871f965f8689f2248
SHA512

6317f515734788cfec385196cbe3f340f779914c9f76e234307dc1aee4e98e6df717bb70ef9c9b613dd8b399a558bf13a95c87d397e4c2cb6ff0fd3a5849616e
SSDEEP

1536:4VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:onxwgxgfR/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
1012	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5940-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1012-21-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral1/memory/1012-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/5940-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1012-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/1012-34-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral1/memory/1012-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px414F.tmp	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	2676	WerFault.exe	87

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_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C9FB5238-1846-11F0-947A-66F6155E5B6D} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "451300251"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\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-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe
1012	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4656	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4656	iexplore.exe
4656	iexplore.exe
4580	IEXPLORE.EXE
4580	IEXPLORE.EXE
4580	IEXPLORE.EXE
4580	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
5940	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe
1012	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5940 wrote to memory of 1012	5940	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe	86
PID 5940 wrote to memory of 1012	5940	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe	86
PID 5940 wrote to memory of 1012	5940	JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe	86
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 2676	1012	WaterMark.exe	87
PID 1012 wrote to memory of 4656	1012	WaterMark.exe	97
PID 1012 wrote to memory of 4656	1012	WaterMark.exe	97
PID 1012 wrote to memory of 4776	1012	WaterMark.exe	98
PID 1012 wrote to memory of 4776	1012	WaterMark.exe	98
PID 4656 wrote to memory of 4580	4656	iexplore.exe	99
PID 4656 wrote to memory of 4580	4656	iexplore.exe	99
PID 4656 wrote to memory of 4580	4656	iexplore.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b42ce7f41bb73a330fc3c0d32e2fcfbc.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:5940
- 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:1012
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2676
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 204
      4⤵
      Program crash
      PID:4800
- - 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:4656
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4656 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4580
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2676 -ip 2676
1⤵
PID:5492

Network

MITRE ATT&CK Enterprise v16

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
60KB

MD5
b42ce7f41bb73a330fc3c0d32e2fcfbc

SHA1
3ae68aab4585d7e0b8047c6ce4f211b956f1cbf1

SHA256
039c22b2f7b323fa283a15570514ad3c2257a61d0731643871f965f8689f2248

SHA512
6317f515734788cfec385196cbe3f340f779914c9f76e234307dc1aee4e98e6df717bb70ef9c9b613dd8b399a558bf13a95c87d397e4c2cb6ff0fd3a5849616e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y4XTGLE2\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1012-33-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/1012-34-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1012-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1012-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1012-24-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1012-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1012-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-27-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/2676-31-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/2676-30-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/5940-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-25-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/5940-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5940-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-7-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/5940-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5940-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5940-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download

Analysis

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