ramnit | 81fb3d7407c2748969ca07dbaccf9fbb67c808a4e63b9b890ef0e85e78b81d8f

Analysis

max time kernel
93s
max time network
144s
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 07:28

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General

Target

JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe
Size

129KB
MD5

4c483b142b4e92f0b8cce83145e71f10
SHA1

03d4ef761d9ab8a7ef4a61f3fac76ba42b905904
SHA256

81fb3d7407c2748969ca07dbaccf9fbb67c808a4e63b9b890ef0e85e78b81d8f
SHA512

ff5d10d60b3348225936b83983f06d135b834dcff88711dbeb1a313e96eb71877e995aa93600b61e6fdae48f2fc8339c52464209b4c0eced0b4677f6ca29d5c0
SSDEEP

3072:HJBGKgiWncy+o1z1Asbyf5yTh6s3JbrFlIvmK0WL+V0tDCa:pBGxiWnoo1z+saATh6EJXLIvZSV09Ca

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
4932	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe
4304	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4932-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4932-8-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4304-15-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4304-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4304-20-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxF6C4.tmp	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.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_4c483b142b4e92f0b8cce83145e71f10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.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
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\Recovery\PendingRecovery	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\VersionManager\LastUpdateLowDateTime = "3774384070"	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\DomainSuggestion\NextUpdateDate = "442481506"	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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153182"	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\{0C74C129-C812-11EF-BDBF-4E8E92B54298} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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\VersionManager\LastUpdateHighDateTime = "31153182"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3777509502"	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\Main\WindowsSearch	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153182"	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\LastCheckForUpdateLowDateTime = "3774384070"	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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe
4304	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4436	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4436	iexplore.exe
4436	iexplore.exe
64	IEXPLORE.EXE
64	IEXPLORE.EXE
64	IEXPLORE.EXE
64	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 4932	3716	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe	83
PID 3716 wrote to memory of 4932	3716	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe	83
PID 3716 wrote to memory of 4932	3716	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe	83
PID 4932 wrote to memory of 4304	4932	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe	84
PID 4932 wrote to memory of 4304	4932	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe	84
PID 4932 wrote to memory of 4304	4932	JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe	84
PID 4304 wrote to memory of 4436	4304	DesktopLayer.exe	85
PID 4304 wrote to memory of 4436	4304	DesktopLayer.exe	85
PID 4436 wrote to memory of 64	4436	iexplore.exe	86
PID 4436 wrote to memory of 64	4436	iexplore.exe	86
PID 4436 wrote to memory of 64	4436	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4932
- - 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:4304
  - - 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:4436
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4436 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:64

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
febff5e5b64433316ee5f116c5c14309

SHA1
55a533777edeed0d18304f073d59d5ca1e5c7737

SHA256
888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

SHA512
cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

Filesize
404B

MD5
0c31298d62274e88d9cea2ac2fd797f4

SHA1
4d6fe046104eb9612a35fb9375f42ab091e65ca1

SHA256
4dc565e4e8373b50d691e30acc0a5d6ef92315e0af7b181eff51b6ca3692b1b7

SHA512
583be99e90dfa535c275984db00d6ea59493d1d317a1d01a4c127b71b812283fd7ef5533b7eb7f990aac13680e32d645f02c4062cbe38d26cdec377bcc4dea6b

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
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c483b142b4e92f0b8cce83145e71f10Srv.exe

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

Download Submit
memory/3716-19-0x0000000000A30000-0x0000000000A56000-memory.dmp

Filesize
152KB

Download
memory/3716-0-0x0000000000A30000-0x0000000000A56000-memory.dmp

Filesize
152KB

Download
memory/4304-20-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4304-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4304-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4304-18-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/4932-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4932-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4932-6-0x0000000000580000-0x0000000000582000-memory.dmp

Filesize
8KB

Download
memory/4932-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download