ramnit | d0e61135382303eca92d3e66cbd84621c2a9e92ec9d8f9fe3da0e7361f3ade9d

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
01-01-2025 01:27

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General

Target

JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe
Size

100KB
MD5

423ad0cb669816bed6ea51e1d675fd40
SHA1

fe5556fbe1d7016fd687729e4070fe83d94a761f
SHA256

d0e61135382303eca92d3e66cbd84621c2a9e92ec9d8f9fe3da0e7361f3ade9d
SHA512

4005bbc07222f4868ccbf9a7cfadd11021baabcabccd6e203770df92b3e64cca7442d00a838dc9e5497aee5ef4b10996aab962cdec4da998a7173723defd478b
SSDEEP

1536:cnEaoFtOl90eQj/WOLiTCu3y8dwjbBNv1CFvCNwiO2xBCiMladwvb:Q+FQl9Qj/D4K3/Bt1CpbiOSwvb

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
4452	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe
1772	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b31-3.dat	upx
behavioral2/memory/4452-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4452-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1772-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1772-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1772-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB16E.tmp	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.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_423ad0cb669816bed6ea51e1d675fd40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1559680709"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8896D3C1-C7DF-11EF-AEE2-CEB9D96D8528} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153132"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442459810"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153132"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1559680709"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1563586412"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153132"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe
1772	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2244	iexplore.exe
2244	iexplore.exe
4804	IEXPLORE.EXE
4804	IEXPLORE.EXE
4804	IEXPLORE.EXE
4804	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 4452	1116	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe	83
PID 1116 wrote to memory of 4452	1116	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe	83
PID 1116 wrote to memory of 4452	1116	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe	83
PID 4452 wrote to memory of 1772	4452	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe	84
PID 4452 wrote to memory of 1772	4452	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe	84
PID 4452 wrote to memory of 1772	4452	JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe	84
PID 1772 wrote to memory of 2244	1772	DesktopLayer.exe	85
PID 1772 wrote to memory of 2244	1772	DesktopLayer.exe	85
PID 2244 wrote to memory of 4804	2244	iexplore.exe	86
PID 2244 wrote to memory of 4804	2244	iexplore.exe	86
PID 2244 wrote to memory of 4804	2244	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4452
- - 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:1772
  - - 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:2244
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2244 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4804

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
47ae85d9bfbcf8efdf0ea9779f4fcb88

SHA1
f8296deedd2a4cd752ac89d0b585d73915af5e16

SHA256
074aca2eb8f189e7ba9630c5a8b4332ecfed7dff0520624b141868727692da0a

SHA512
ec08b2c565737a6e4b0ccf4d999ba03376b5372b7767140a40ad86b4ce8e6d73fc6d20e3329869261f61309c3202087e77ff1f64748ce2c39ec0ad0b37183115

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_423ad0cb669816bed6ea51e1d675fd40Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1116-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1116-18-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1772-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1772-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1772-15-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1772-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4452-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4452-6-0x0000000000480000-0x000000000048F000-memory.dmp

Filesize
60KB

Download
memory/4452-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download