ramnit | 29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524

Analysis

max time kernel
94s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 21:12

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General

Target

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
Size

3.5MB
MD5

db438db1484da27156855d17574b1cd0
SHA1

61510949a59310632272ca859464c3d774e29b06
SHA256

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524
SHA512

a242f3c7d087d6d76690cac3e78e4f18f6609d60ef3740ce0954e720b854511804d7ac095faf0a1297e9e797371fd12abb1d06d625270e6e1e7028ec15bd362b
SSDEEP

98304:U9PazYBVkS4wagSkc7NCVDOdKtRQQQbvFLOAkGkzdnEVomFHKnP8:MDoYOdKtRQQQbvFLOyomFHKnP8

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

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exeDesktopLayer.exe

pid	Process
1372	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe
3604	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023cb2-3.dat	upx
behavioral2/memory/1372-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1372-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3604-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3604-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxBB41.tmp	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.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

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exeDesktopLayer.exeIEXPLORE.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.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

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	Process
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\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2720077293"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144245"	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\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2720077293"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2724295828"	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\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 = "31144245"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CDA4750C-A528-11EF-BEF1-7E3D785E6C2E} = "0"	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\Main	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
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
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438642988"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144245"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exeDesktopLayer.exe

pid	Process
4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe
3604	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid	Process
4916	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exeiexplore.exeIEXPLORE.EXE

pid	Process
4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
4916	iexplore.exe
4916	iexplore.exe
4160	IEXPLORE.EXE
4160	IEXPLORE.EXE
4160	IEXPLORE.EXE
4160	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exeDesktopLayer.exeiexplore.exe

description	pid	Process	procid_target
PID 4196 wrote to memory of 1372	4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe	83
PID 4196 wrote to memory of 1372	4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe	83
PID 4196 wrote to memory of 1372	4196	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe	83
PID 1372 wrote to memory of 3604	1372	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe	84
PID 1372 wrote to memory of 3604	1372	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe	84
PID 1372 wrote to memory of 3604	1372	29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe	84
PID 3604 wrote to memory of 4916	3604	DesktopLayer.exe	85
PID 3604 wrote to memory of 4916	3604	DesktopLayer.exe	85
PID 4916 wrote to memory of 4160	4916	iexplore.exe	86
PID 4916 wrote to memory of 4160	4916	iexplore.exe	86
PID 4916 wrote to memory of 4160	4916	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe
"C:\Users\Admin\AppData\Local\Temp\29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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:3604
  - - 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:4916
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4916 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4160

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
67b3270e9ee2455fec6e20353842018a

SHA1
afb768285ecc4fad9cb171c6ec0247e54a645746

SHA256
a0e3067884f99355e97dd1979abe971940e233b6d8426ca2f9caedc7f5b25456

SHA512
605ae45158f81452bfe383b3a8ec2407ce9c1bcd0d5b1372d13c870569105c764b89abf0a184fa3779770dba24e69b503ba7825026fcfd24fda06cce3ac9f3c5

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

Filesize
404B

MD5
2ba9468ec64ebb280330aa8a516bf7c1

SHA1
4a7c537f0d7c5896dd3143c5487d77188bcab610

SHA256
b4cfdd496a01831b997c253ed7da0b42645cb2ffe726da9ea0d9a40ce9dcd406

SHA512
c142a74f8c0f61054412e812ea81143c90f978878085a280276a9dc77f88f4460bd2e3289fd3c819afb1d1736295b20abfa1ff39e0226579b3310b69fa9735d4

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\29274dfda5c7f2a3cd0c793f6128f7429fef834f142e226dc8df2d9ea184d524NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1372-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1372-5-0x00000000005A0000-0x00000000005AF000-memory.dmp

Filesize
60KB

Download
memory/1372-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3604-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3604-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3604-13-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/4196-0-0x00000000007C0000-0x0000000000B43000-memory.dmp

Filesize
3.5MB

Download
memory/4196-17-0x00000000007C0000-0x0000000000B43000-memory.dmp

Filesize
3.5MB

Download