ramnit | 98c494dd67af59ab86bf136d1af3e5351155bac8901b4ed0953afde478aa5cd1

General

Target

JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe
Size

58KB
MD5

24f14847e1e9b7a4dcbd77816d3ea8a4
SHA1

a172b22bd35f2aa8e7b9788a075ab2e3da87b2a4
SHA256

98c494dd67af59ab86bf136d1af3e5351155bac8901b4ed0953afde478aa5cd1
SHA512

ab76c729209ba44d9618131fb65ebb7daed8123a0625c34832039f8364fb2d56a89780fda7f7fe4ca06a7b95afb0f7c389453ea410ef846a6e1b762b316ac127
SSDEEP

1536:Uu3W/ExRPxMTNfEuyUYZwGouoYOHJpQivnZOD/c:Uu3uExNOiVSu9OpHm/c

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
4916	DesktopLayer.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2420-1-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4916-8-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4916-10-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4916-16-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxF637.tmp	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3832	4588	WerFault.exe	84

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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157914"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1738526125"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{931C07B2-DA8D-11EF-BDBF-622000771059} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157914"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444513681"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1739619627"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe
4916	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2164	iexplore.exe
2164	iexplore.exe
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4916	2420	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe	83
PID 2420 wrote to memory of 4916	2420	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe	83
PID 2420 wrote to memory of 4916	2420	JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe	83
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 4588	4916	DesktopLayer.exe	84
PID 4916 wrote to memory of 2164	4916	DesktopLayer.exe	89
PID 4916 wrote to memory of 2164	4916	DesktopLayer.exe	89
PID 2164 wrote to memory of 2020	2164	iexplore.exe	91
PID 2164 wrote to memory of 2020	2164	iexplore.exe	91
PID 2164 wrote to memory of 2020	2164	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24f14847e1e9b7a4dcbd77816d3ea8a4.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Program Files (x86)\Microsoft\DesktopLayer.exe
  "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 204
      4⤵
      Program crash
      PID:3832
- - 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:2164
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2164 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4588 -ip 4588
1⤵
PID:5084

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\DesktopLayer.exe

Filesize
58KB

MD5
24f14847e1e9b7a4dcbd77816d3ea8a4

SHA1
a172b22bd35f2aa8e7b9788a075ab2e3da87b2a4

SHA256
98c494dd67af59ab86bf136d1af3e5351155bac8901b4ed0953afde478aa5cd1

SHA512
ab76c729209ba44d9618131fb65ebb7daed8123a0625c34832039f8364fb2d56a89780fda7f7fe4ca06a7b95afb0f7c389453ea410ef846a6e1b762b316ac127

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

Filesize
471B

MD5
ce36378334f2edb4e728e0632afebb70

SHA1
89d54efcb8c7bbe532e5ad91b38468279d3f5c93

SHA256
6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

SHA512
3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

Filesize
404B

MD5
040c0b4a9de47604d4e21a4744db93d7

SHA1
07deb76575752553fb81c68c3e917cd853e41a22

SHA256
7c37ba8113a8549464f742a2223512fed4b804cf851299aa756267a63ec29537

SHA512
f189c24237568af90face46cf3760ed90ee48da15f4e890a1d0960a68fffd92190800fad35db9c27a835a97211eef6d93ccadc0f3a3bec1941ec694eb4f783b9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2420-1-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-6-0x00000000004C0000-0x00000000004D5000-memory.dmp

Filesize
84KB

Download
memory/2420-0-0x00000000004C0000-0x00000000004D5000-memory.dmp

Filesize
84KB

Download
memory/4588-12-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/4588-13-0x0000000001030000-0x0000000001031000-memory.dmp

Filesize
4KB

Download
memory/4916-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4916-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4916-14-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/4916-9-0x0000000001F00000-0x0000000001F01000-memory.dmp

Filesize
4KB

Download
memory/4916-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

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