ramnit | cb6c79a3a5312a9b58cac59af0d467ce2ac555d5fcacd8daddb16e78bbdf1baf

Analysis

max time kernel
95s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 18:47

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General

Target
JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe
Size 220KB
Sample250101-xflxla1jam
SHA256 cb6c79a3a5312a9b58cac59af0d467ce2ac555d5fcacd8daddb16e78bbdf1baf
MD5 6014279f4cfb2846e5bae34d7ee34165
SHA1 56a1e5abb064f163e0e37c9581bcbdf43bf9c2b1
SHA512 dca204af045f5a7db6316f8c1552734d4991be926816e7990f03e955f6b5dfe32f0764268ca49c880ae0a73948b87b1184e7984886048ac58b306a7a289de138
SSDEEP 6144:Zfmb8F966RVumMSOzzGJdoYKhv1PPGjr0/:RZumQfGqhv1XGjr0
MD5 SHA1 SHA512 SSDEEP

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
3644	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
4936	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3644-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/3644-9-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4936-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4936-20-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4936-21-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxACE9.tmp	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153277"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E9340F1A-C870-11EF-91C3-5227CD58F2D9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3180910063"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153277"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3184816607"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153277"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442522249"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3180910063"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe
4936	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2668	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2668	iexplore.exe
2668	iexplore.exe
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3644	5088	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe	83
PID 5088 wrote to memory of 3644	5088	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe	83
PID 5088 wrote to memory of 3644	5088	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe	83
PID 3644 wrote to memory of 4936	3644	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe	84
PID 3644 wrote to memory of 4936	3644	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe	84
PID 3644 wrote to memory of 4936	3644	JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe	84
PID 4936 wrote to memory of 2668	4936	DesktopLayer.exe	85
PID 4936 wrote to memory of 2668	4936	DesktopLayer.exe	85
PID 2668 wrote to memory of 4976	2668	iexplore.exe	86
PID 2668 wrote to memory of 4976	2668	iexplore.exe	86
PID 2668 wrote to memory of 4976	2668	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3644
- - 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:4936
  - - 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:2668
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2668 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4976

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

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c
MD5 30f59b20e935520badc298242cb4cff1
SHA1 00622b2054eb148a8459c2ccd0b22606c2d5c7f6
SHA512 f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 b17853366bc3f171e24b73fb869a08a5803342e5bc7da7aca08c03c0161f0730
MD5 0e8ed0f1393db96c0713674350b74863
SHA1 d435698a12860bbb8b6efd03ad65e07196f84bd9
SHA512 de13f4ba941aad1d167142de1cd6a541515158f64e15cea56e92ed8d2a448928f987c6a2a342d65fb45db94090e7fdc189728a503dcb8e0aec8dc06bbcd8eb98
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6014279f4cfb2846e5bae34d7ee34165Srv.exe
Size 52KB
SHA256 f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386
MD5 17efb7e40d4cadaf3a4369435a8772ec
SHA1 eb9302063ac2ab599ae93aaa1e45b88bbeacbca2
SHA512 522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450
SSDEEP 1536:c3j72srzVRv7Kf4AH+pdcDJVoYMeKTn1:UusXjTuoaD6eK71
MD5 SHA1 SHA512 SSDEEP

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memory/3644-4-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/3644-6-0x0000000000590000-0x0000000000592000-memory.dmp

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memory/3644-7-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/3644-9-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/4936-16-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/4936-20-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/4936-21-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/4936-19-0x00000000004B0000-0x00000000004B1000-memory.dmp

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memory/4936-17-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/5088-8-0x0000000000400000-0x000000000043B000-memory.dmp

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memory/5088-0-0x0000000000400000-0x000000000043B000-memory.dmp

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