ramnit | 1ab2edb4a3ddaaa35614daf71988620b0d70c01b3eaabee299a9eddf78050868

General

Target

JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe
Size

124KB
MD5

853a7a0aadfdabd706dfbd38b2db513b
SHA1

ad1db928a4fdd0f7055ef7cb38b9152b8e52c392
SHA256

1ab2edb4a3ddaaa35614daf71988620b0d70c01b3eaabee299a9eddf78050868
SHA512

7db48da3e2c81ea2ee606c05cfba02adfc8b4f278071e5d5e5c4ef0510b4bee189d4361143dfaf7bbf1ba2799be3750f0e90a87e586116ad7ef02266bad30b62
SSDEEP

1536:pVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:ZnxwgxgfR/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
2672	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3104-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3104-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-34-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/2672-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6503.tmp	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	2944	WerFault.exe	89

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_853a7a0aadfdabd706dfbd38b2db513b.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 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3D3C01AB-06B1-11F0-A1E4-5A9DC4E46311} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449366850"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\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-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3604	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3604	iexplore.exe
3604	iexplore.exe
5936	IEXPLORE.EXE
5936	IEXPLORE.EXE
5936	IEXPLORE.EXE
5936	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3104	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe
2672	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2672	3104	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe	88
PID 3104 wrote to memory of 2672	3104	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe	88
PID 3104 wrote to memory of 2672	3104	JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe	88
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 2944	2672	WaterMark.exe	89
PID 2672 wrote to memory of 3604	2672	WaterMark.exe	99
PID 2672 wrote to memory of 3604	2672	WaterMark.exe	99
PID 2672 wrote to memory of 4956	2672	WaterMark.exe	101
PID 2672 wrote to memory of 4956	2672	WaterMark.exe	101
PID 3604 wrote to memory of 5936	3604	iexplore.exe	102
PID 3604 wrote to memory of 5936	3604	iexplore.exe	102
PID 3604 wrote to memory of 5936	3604	iexplore.exe	102

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_853a7a0aadfdabd706dfbd38b2db513b.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3104
- 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:2672
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 204
      4⤵
      Program crash
      PID:2540
- - 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:3604
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3604 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:5936
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2944 -ip 2944
1⤵
PID:5592

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
124KB

MD5
853a7a0aadfdabd706dfbd38b2db513b

SHA1
ad1db928a4fdd0f7055ef7cb38b9152b8e52c392

SHA256
1ab2edb4a3ddaaa35614daf71988620b0d70c01b3eaabee299a9eddf78050868

SHA512
7db48da3e2c81ea2ee606c05cfba02adfc8b4f278071e5d5e5c4ef0510b4bee189d4361143dfaf7bbf1ba2799be3750f0e90a87e586116ad7ef02266bad30b62

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OMQG84ST\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2672-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-34-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2672-38-0x00000000774A2000-0x00000000774A3000-memory.dmp

Filesize
4KB

Download
memory/2672-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2672-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-29-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2672-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2672-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2672-30-0x00000000774A2000-0x00000000774A3000-memory.dmp

Filesize
4KB

Download
memory/2672-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2944-32-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/2944-33-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/3104-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3104-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3104-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/3104-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3104-2-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3104-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download

Analysis

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