ramnit | 15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9

General

Target

JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe
Size

149KB
MD5

0da24e9a4fe58ac5beb38be8ccea52fd
SHA1

a6d12e8ad8e3eead695c490913d845f5e586df68
SHA256

15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9
SHA512

8dcdcfcf1b13dcf11bed9dc0040fb832df7f4c154a34a4f88e0ee38c1c38ba7c357397c711797644ea9bd525d081987521d1cf001b96a96026845c87442c7237
SSDEEP

3072:RROzoTq0+RO7IwnYZnSDADeak7dJHB/A9ouUljtQnjPtwi3gSO8EeL:fkdNwBGnSsQLH5A6uzPtw/j

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
628	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
1256	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-0-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/files/0x000c000000023b54-3.dat	upx
behavioral1/memory/628-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/628-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1256-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1256-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1256-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2128-19-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px99EE.tmp	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3192	2128	WerFault.exe	82

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	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8A1D7CE3-D8BC-11EF-AEE2-EE81E66BE9E9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157449"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1590126568"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157449"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1586376480"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444313950"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe
1256	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3952	iexplore.exe
3952	iexplore.exe
404	IEXPLORE.EXE
404	IEXPLORE.EXE
404	IEXPLORE.EXE
404	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 628	2128	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe	83
PID 2128 wrote to memory of 628	2128	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe	83
PID 2128 wrote to memory of 628	2128	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe	83
PID 628 wrote to memory of 1256	628	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	85
PID 628 wrote to memory of 1256	628	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	85
PID 628 wrote to memory of 1256	628	JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	85
PID 1256 wrote to memory of 3952	1256	DesktopLayer.exe	86
PID 1256 wrote to memory of 3952	1256	DesktopLayer.exe	86
PID 3952 wrote to memory of 404	3952	iexplore.exe	88
PID 3952 wrote to memory of 404	3952	iexplore.exe	88
PID 3952 wrote to memory of 404	3952	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - 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:3952
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 296
  2⤵
  - Program crash
  PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
1⤵
PID:3240

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
2c48c73220d62a8faffe599e95896274

SHA1
452cd4222360fe7e881055d815ec65a2bbac564b

SHA256
35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

SHA512
6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
4ba9eb7dc683978fc5dc8d4208e78bf6

SHA1
db3b4853ecc059ae1b65f03fc8e12ed8841e0699

SHA256
8aa96f59ef662c055d6fc6656f0909899bbecb858e6e0eecddcb64f005c15e70

SHA512
e54b01c5bd2ff0a92d446bfadd097ba54c8236b0b751468008335b2743e0415c50eaa97be6ae4818aac82d16b44616fda218c467d68ea2bb04a62fdee71cac87

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/628-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/628-5-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/628-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1256-15-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1256-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1256-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1256-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2128-19-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2128-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

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