ramnit | d838a89d9f457ce1cc981009850be4ae88f9e6c24011d3179571f42cd9dc19cf

Analysis

max time kernel
94s
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 05:47

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General

Target

JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
Size

111KB
MD5

4964cf625d2c2ebae51118310079ec00
SHA1

89cd56094be7940bf5fd629c7120775f39e8076a
SHA256

d838a89d9f457ce1cc981009850be4ae88f9e6c24011d3179571f42cd9dc19cf
SHA512

ac870ff7887ccfe89a6cce4c5775cb22224ceae4a7fc46714990ffdeeb2a42719a3bc1b4329e21fc45d504247bb206aee1dc9f6582e05a6ba299346597b77424
SSDEEP

3072:TROzoTq0+RO7IwnYqM1BwT58tAUNFvxYuObIRW51RIc7R:1kdNwBYW58Hby9bIReb

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
3592	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
524	DesktopLayer.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2792-0-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/files/0x000c000000023b72-3.dat	upx
behavioral1/memory/3592-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/524-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/524-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-18-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2792-11-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2792-8-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/3592-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3592-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7474.tmp	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7474.tmp	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.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_4964cf625d2c2ebae51118310079ec00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3091698907"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153168"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153168"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442475425"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3094190599"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3094190599"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3091698907"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153168"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153168"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E3C3AEF7-C803-11EF-BEF1-CAF61997B0B0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe
524	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4560	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4560	iexplore.exe
4560	iexplore.exe
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 3592	2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe	82
PID 2792 wrote to memory of 3592	2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe	82
PID 2792 wrote to memory of 3592	2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe	82
PID 3592 wrote to memory of 524	3592	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe	83
PID 3592 wrote to memory of 524	3592	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe	83
PID 3592 wrote to memory of 524	3592	JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe	83
PID 2792 wrote to memory of 4560	2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe	84
PID 2792 wrote to memory of 4560	2792	JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe	84
PID 524 wrote to memory of 4788	524	DesktopLayer.exe	85
PID 524 wrote to memory of 4788	524	DesktopLayer.exe	85
PID 4560 wrote to memory of 4924	4560	iexplore.exe	86
PID 4560 wrote to memory of 4924	4560	iexplore.exe	86
PID 4560 wrote to memory of 4924	4560	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4964cf625d2c2ebae51118310079ec00.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3592
- - 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:524
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:4788
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4560 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4924

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
ec63b76eb56cd3c7d2cbaffe8a42d437

SHA1
869617b040a92ceae5984db883d1fb248e26ad43

SHA256
3b8b2c37df3ddc04ac3217e754d72e439e71a4e63d2ff71600b0fb2e0584e8ae

SHA512
61e9a550922c493238c1333716f73ae4492a6a129992fb59596ed389440df26aa1d15733e75f882f7e9c0529eaf4b471776b0b25adacd3cbf6764ee172a2c9c5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verECB2.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4964cf625d2c2ebae51118310079ec00Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/524-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/524-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/524-17-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2792-11-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2792-8-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2792-5-0x0000000000450000-0x000000000045F000-memory.dmp

Filesize
60KB

Download
memory/2792-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2792-18-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2792-10-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/3592-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3592-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3592-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download