ramnit | 7c6dbf173631073895a2664383561c04e3e7344e0dd2a1e82ffd3267cafb967e

General

Target

JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe
Size

408KB
MD5

19f447bf03a5055f379751ec9d47735f
SHA1

dd5c17cd3ed77005e76d4572415ee8af88da86c3
SHA256

7c6dbf173631073895a2664383561c04e3e7344e0dd2a1e82ffd3267cafb967e
SHA512

70e4429c2188b9917042af395cdddc409c9a4b587aa20f96f47362168a65a98ce8fa60091ab70f5eb4c396812445ef0ab1647f8a00aa48f27b63142c450c2d7f
SSDEEP

6144:8lSDpABxavrQLKLl5enErwbBxVED8bR3javMVoyoHXI1pX:8EDpOIrQLKben5bBxaeRzxgI1d

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 4 IoCs

pid	Process
4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
3568	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrvmgr.exe
3200	DesktopLayer.exe
4020	DesktopLayermgr.exe

Loads dropped DLL 2 IoCs

pid	Process
3568	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrvmgr.exe
4020	DesktopLayermgr.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4944-4-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral2/files/0x000c000000023b24-3.dat	upx
behavioral2/memory/3568-22-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/3200-21-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral2/memory/3200-20-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral2/memory/4944-13-0x0000000000400000-0x0000000000447000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayermgr.exe	DesktopLayer.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px780E.tmp	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3816	3568	WerFault.exe	83
3004	4020	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 6 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_19f447bf03a5055f379751ec9d47735f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrvmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayermgr.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AFE900D7-D9B7-11EF-9361-DA61A5E71E4E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2222502095"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157700"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157700"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2227658580"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444421817"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe
3200	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1548	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3044	JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe
3044	JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe
1548	iexplore.exe
1548	iexplore.exe
4564	IEXPLORE.EXE
4564	IEXPLORE.EXE
4564	IEXPLORE.EXE
4564	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4944	3044	JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe	82
PID 3044 wrote to memory of 4944	3044	JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe	82
PID 3044 wrote to memory of 4944	3044	JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe	82
PID 4944 wrote to memory of 3568	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	83
PID 4944 wrote to memory of 3568	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	83
PID 4944 wrote to memory of 3568	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	83
PID 4944 wrote to memory of 3200	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	84
PID 4944 wrote to memory of 3200	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	84
PID 4944 wrote to memory of 3200	4944	JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe	84
PID 3200 wrote to memory of 4020	3200	DesktopLayer.exe	85
PID 3200 wrote to memory of 4020	3200	DesktopLayer.exe	85
PID 3200 wrote to memory of 4020	3200	DesktopLayer.exe	85
PID 3200 wrote to memory of 1548	3200	DesktopLayer.exe	86
PID 3200 wrote to memory of 1548	3200	DesktopLayer.exe	86
PID 1548 wrote to memory of 4564	1548	iexplore.exe	90
PID 1548 wrote to memory of 4564	1548	iexplore.exe	90
PID 1548 wrote to memory of 4564	1548	iexplore.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrvmgr.exe
    C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrvmgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 10176
      4⤵
      Program crash
      PID:3816
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3200
  - - C:\Program Files (x86)\Microsoft\DesktopLayermgr.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayermgr.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4020
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 10176
        5⤵
        Program crash
        
        PID:3004
  - - 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:1548
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1548 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4020 -ip 4020
1⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3568 -ip 3568
1⤵
PID:2784

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\DesktopLayermgr.exe

Filesize
94KB

MD5
f8434f362add5334f4f050f4b4b373a7

SHA1
f5915cb0d72c8faffe11126bc29da1b1db8092bc

SHA256
d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b

SHA512
6c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9

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

Filesize
471B

MD5
dc142ff8759ecb81417ba231bbcf25d0

SHA1
201681d524cde8af5c11b5111f5fa697521c5739

SHA256
d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

SHA512
b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

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

Filesize
404B

MD5
9019af91bbe85cc069666dc03ce17a4f

SHA1
40d23831655b6eb1c9729c9e14d0e1f57482b0d9

SHA256
997b0c8257c70c5099a904d01cc29fdd93f4c2df7b0c48fb527caa81251668b0

SHA512
e787c2bdb2f491db34ddf2f749f9f10654f68fc0153a85f750bc9401c18df9f001fd6128eec7129474d97f4ffc22e977781ef4645c3cc4a43638ec12f91e421a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f447bf03a5055f379751ec9d47735fSrv.exe

Filesize
152KB

MD5
2c60a0eb60587e6e9dbd389576a30d91

SHA1
9fc335861b437bb6cb3079fb07e420d8f39a4b12

SHA256
e8452f0b8c328b8737d3244729cfb9b5e4295167bfda075b2679c0c9978ab631

SHA512
10f7f201c1c6a36d23df72bf333663de844b7dc1b7ab7cdfeb787e66bff2bc47cda3dbe96db2d6ecb2b33364923c8334310ba1a00937e7de3e1cf8e4869e3697

Download Submit
C:\Users\Admin\AppData\Local\Temp\~TM78AA.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3044-36-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3044-32-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3044-0-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3200-21-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3200-20-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3200-18-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3568-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4944-13-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4944-11-0x00000000005E0000-0x00000000005EF000-memory.dmp

Filesize
60KB

Download
memory/4944-4-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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