ramnit | a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34

Analysis

max time kernel
94s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 08:55

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General

Target

a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe
Size

368KB
MD5

ae996dd410e24ff0d7e24b227f5f0930
SHA1

8dfd01d77d2fc0fec1e3f52e43fcfc7bfd709034
SHA256

a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34
SHA512

25d42ef1d21a356ede6fef2188ce3ce56bdeb77791a3ca2e08cec66e908c2ae3a47baf6e64e977f197be80861629959cc85354b7744c6c88c088038b2d2939de
SSDEEP

3072:xcQz6R5eAuOOX7SMpNjxN4yjNEWt0kamYyROzoTq0+RO7IwnYPPPLtap1u4fSEMg:GQz6R5TuJSMjFqW7NHkdNwBBpYeOjeT

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
5088	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4248-0-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/4248-2-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/files/0x000d000000023b94-5.dat	upx
behavioral1/memory/5088-11-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/5088-10-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/4248-7-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxBEBC.tmp	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe

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	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "69768351"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443523524"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2F85D1BD-D18C-11EF-A7EA-E6FB6C85BB83} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "70080950"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155609"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "69768351"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155609"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155609"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155609"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "70080950"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe
5088	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
556	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
556	iexplore.exe
556	iexplore.exe
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE
3436	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 5088	4248	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe	84
PID 4248 wrote to memory of 5088	4248	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe	84
PID 4248 wrote to memory of 5088	4248	a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe	84
PID 5088 wrote to memory of 556	5088	DesktopLayer.exe	85
PID 5088 wrote to memory of 556	5088	DesktopLayer.exe	85
PID 556 wrote to memory of 3436	556	iexplore.exe	86
PID 556 wrote to memory of 3436	556	iexplore.exe	86
PID 556 wrote to memory of 3436	556	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe
"C:\Users\Admin\AppData\Local\Temp\a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4248
- 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:5088
- - 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:556
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:556 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3436

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:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
368KB

MD5
ae996dd410e24ff0d7e24b227f5f0930

SHA1
8dfd01d77d2fc0fec1e3f52e43fcfc7bfd709034

SHA256
a03bb9a057ff2ea55da6b8f743281fcccd68019e63f9be03820f842778ec0e34

SHA512
25d42ef1d21a356ede6fef2188ce3ce56bdeb77791a3ca2e08cec66e908c2ae3a47baf6e64e977f197be80861629959cc85354b7744c6c88c088038b2d2939de

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

Filesize
471B

MD5
975df3dbca02c4223ad98b4405ec0cd8

SHA1
62c3b5b2d32df9cedede3d746956a999d34beff1

SHA256
87d1e303201f45a5b0080b4580575bb564446751cafe9da1e8ce11a9c6a842fd

SHA512
1277f93b24c89c39cee767c05e3e450da71aa5bade2fcc2559ef39c3b747c3db491488e63e8d21911e668885308d717fb7d47e2b3a70ff24b0a7250b5f671417

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

Filesize
404B

MD5
d72b9a8fb3e232ae412a19a04ee58957

SHA1
564855a1cba9b56dc73da9399491d851a4b0c9cb

SHA256
599eaf5ff1cd3502782f431975b986d7be87d76212f59560ee391fee09e9fc09

SHA512
853ad9e0f74597fbb226a9700f396818f61b4364f58b780900a8789d054846c417d7ebe317050d73b302e1c513d849e24195929e90316cf7a104025694dce5a9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3728.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4248-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4248-1-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/4248-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4248-7-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5088-11-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5088-10-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5088-9-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download