ramnit | b1891c91f7f9827dfd31dc8bda54ec8ff7ba7d5844dc0266da6779c4c7ef64f0

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 00:27

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General

Target

JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe
Size

104KB
MD5

618d32916aaf10a4b02ada6f90b6d382
SHA1

da1a6967064643376f0f4981e9c7923b1878180b
SHA256

b1891c91f7f9827dfd31dc8bda54ec8ff7ba7d5844dc0266da6779c4c7ef64f0
SHA512

541dbf7f4f4b5987de9384136d76b7ac8e0491494ab36b2533f330e83cbf964b7a23b53998eceaa3efe30e6ad71b693c08cfdf89ed035d5d40bb8ec9aa9fbe42
SSDEEP

1536:iwZSF25O9JojcO4kCbcJZCw2UU8TgHxUvBaxN2HLXs6:iv2eKcVS8HxUYuHL

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
3520	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe
4888	DesktopLayer.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3520-8-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4888-15-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4888-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9357.tmp	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe

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_618d32916aaf10a4b02ada6f90b6d382.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.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 30 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\Recovery\AdminActive	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\LastUpdateHighDateTime = "31153325"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1075929955"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442542654"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6B8364AC-C8A0-11EF-9361-7E3D785E6C2E} = "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 (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1071867419"	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\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-1-5-21-3442511616-637977696-3186306149-1000\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\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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 = "31153325"	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
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\Recovery\PendingRecovery	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1071867419"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153325"	iexplore.exe
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\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\LastTTLHighDateTime = "50"	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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe
4888	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3080	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3080	iexplore.exe
3080	iexplore.exe
3796	IEXPLORE.EXE
3796	IEXPLORE.EXE
3796	IEXPLORE.EXE
3796	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 3520	2056	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe	83
PID 2056 wrote to memory of 3520	2056	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe	83
PID 2056 wrote to memory of 3520	2056	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe	83
PID 3520 wrote to memory of 4888	3520	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe	84
PID 3520 wrote to memory of 4888	3520	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe	84
PID 3520 wrote to memory of 4888	3520	JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe	84
PID 4888 wrote to memory of 3080	4888	DesktopLayer.exe	85
PID 4888 wrote to memory of 3080	4888	DesktopLayer.exe	85
PID 3080 wrote to memory of 3796	3080	iexplore.exe	86
PID 3080 wrote to memory of 3796	3080	iexplore.exe	86
PID 3080 wrote to memory of 3796	3080	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_618d32916aaf10a4b02ada6f90b6d382Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3520
- - 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:4888
  - - 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:3080
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3080 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
30f59b20e935520badc298242cb4cff1

SHA1
00622b2054eb148a8459c2ccd0b22606c2d5c7f6

SHA256
4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

SHA512
f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

Filesize
404B

MD5
238e30eac7bd705799a204f264a6a9d1

SHA1
f1fe006025edd42cf739432859735f39c2955d5a

SHA256
eaf5728eb73ce382a928d0912a2f5cfe7dd678febc525cfb27a96e1fa73029f3

SHA512
1577cfac5c5ef1fbe47bf838c3d1d9f419c7615ad39d8bbfb1cc972a25998370ff717045c806fb9c12ba9794f8537dae85207fc7cf749c84675fbb0f8c40b6b3

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_618d32916aaf10a4b02ada6f90b6d382Srv.exe

Filesize
52KB

MD5
fccccca5363eabcebf2b23526fd8e00c

SHA1
35e4e13ca8212dce28706c21a502f2bca9dccde8

SHA256
1d5582463bba9ea30ba8f6f55ae5d7237108aafe553ce67d6f75453abec861a2

SHA512
3981a689a98c349b9173850e68703877145553e3a8b73bd4643212c6f28c5ed122c52bf03eef4ed5845595f0cd566176af079ce7096652499cded86e9a910dff

Download Submit
memory/2056-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2056-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3520-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3520-7-0x0000000000530000-0x0000000000543000-memory.dmp

Filesize
76KB

Download
memory/4888-14-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4888-16-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download