ramnit | 2cb40111d99e9746362abc38c1191ab89bb56ed9fdedae4b9136ed70a08fda66

General

Target

JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe
Size

316KB
MD5

5497d252a059370ffa307a0426eff69a
SHA1

521728240af350525b50645deaa7c7dda09f9132
SHA256

2cb40111d99e9746362abc38c1191ab89bb56ed9fdedae4b9136ed70a08fda66
SHA512

9e632817675f46a36a1c02ed4b7ea1d66263d7c7bd0c0876373c67c07f824f033675f36d7ead1839f1b29cee363bd5faec1a144cd5f00fef37ad6f6421de264f
SSDEEP

6144:VMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaMcBQS5p:VMTi0uhMqe9ts2zWTpMmCG7Jj

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 2 IoCs

pid	Process
1460	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
1928	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1460-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1460-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1928-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1928-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1928-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1928-43-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7D6D.tmp	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1068	4468	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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_5497d252a059370ffa307a0426eff69a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FD202FFB-DE6A-11EF-B070-E6F5C2D13B6D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444938631"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\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 (int)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe
1928	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3716	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3716	iexplore.exe
3716	iexplore.exe
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1460	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
1928	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1460	4856	JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe	83
PID 4856 wrote to memory of 1460	4856	JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe	83
PID 4856 wrote to memory of 1460	4856	JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe	83
PID 1460 wrote to memory of 1928	1460	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe	84
PID 1460 wrote to memory of 1928	1460	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe	84
PID 1460 wrote to memory of 1928	1460	JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe	84
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 4468	1928	WaterMark.exe	85
PID 1928 wrote to memory of 3716	1928	WaterMark.exe	91
PID 1928 wrote to memory of 3716	1928	WaterMark.exe	91
PID 1928 wrote to memory of 1464	1928	WaterMark.exe	92
PID 1928 wrote to memory of 1464	1928	WaterMark.exe	92
PID 3716 wrote to memory of 1488	3716	iexplore.exe	93
PID 3716 wrote to memory of 1488	3716	iexplore.exe	93
PID 3716 wrote to memory of 1488	3716	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5497d252a059370ffa307a0426eff69a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - 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:1928
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:4468
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 208
        5⤵
        Program crash
        
        PID:1068
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3716
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3716 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1488
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
1⤵
PID:1752

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZKEID3KU\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5497d252a059370ffa307a0426eff69amgr.exe

Filesize
60KB

MD5
cd963c64ad0bea4ca85a4819f6eefed1

SHA1
d9cd6316cf3c6ce5ceec9694c2debc7b7981775f

SHA256
33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906

SHA512
f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e

Download Submit
memory/1460-26-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1460-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1460-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1460-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1460-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1928-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1928-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1928-35-0x0000000077842000-0x0000000077843000-memory.dmp

Filesize
4KB

Download
memory/1928-34-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1928-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1928-41-0x0000000077842000-0x0000000077843000-memory.dmp

Filesize
4KB

Download
memory/1928-40-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1928-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4468-38-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/4468-39-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/4856-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4856-21-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

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