ramnit | f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3

Analysis

max time kernel
110s
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
07-11-2024 10:07

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General

Target

f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe
Size

72KB
MD5

7c9ac3eba26585875e37a57900669660
SHA1

dbeafda73db909c304ae7f70c966a9ec4ddc2cd8
SHA256

f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3
SHA512

0c5cae0681883b492b0200585fbf345bd338593f76de5a717d1d1eb9ee3275282559dca051593251bf64d546f0b062718cdf08c076b12294e20b79a111f29d22
SSDEEP

1536:9Ye1GYVOXIxPwsWrA270O0dhmyvxui6KLm2:Ce1JlhwFjny5uoy

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
3060	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe
3956	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c6b-3.dat	upx
behavioral2/memory/3060-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3060-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3956-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3956-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3956-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCA35.tmp	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.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	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.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 (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4130697464"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142140"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4130697464"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4135072185"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142140"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437739039"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{21CE46C4-9CF0-11EF-B9D5-CA65FB447F0B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142140"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe
3956	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4060	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4060	iexplore.exe
4060	iexplore.exe
1476	IEXPLORE.EXE
1476	IEXPLORE.EXE
1476	IEXPLORE.EXE
1476	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3060	2572	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe	83
PID 2572 wrote to memory of 3060	2572	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe	83
PID 2572 wrote to memory of 3060	2572	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe	83
PID 3060 wrote to memory of 3956	3060	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe	84
PID 3060 wrote to memory of 3956	3060	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe	84
PID 3060 wrote to memory of 3956	3060	f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe	84
PID 3956 wrote to memory of 4060	3956	DesktopLayer.exe	85
PID 3956 wrote to memory of 4060	3956	DesktopLayer.exe	85
PID 4060 wrote to memory of 1476	4060	iexplore.exe	87
PID 4060 wrote to memory of 1476	4060	iexplore.exe	87
PID 4060 wrote to memory of 1476	4060	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe
"C:\Users\Admin\AppData\Local\Temp\f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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:3956
  - - 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:4060
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4060 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1476

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
191deeca6e466fcc85eb3476d9cd351b

SHA1
b726edafc2a1478b5fb310dfe229c7878cf8b5ee

SHA256
3f75e8125f17f81c77768c8dbb36456eb83cd19da81b46a9019a030dc0a52505

SHA512
4572f047795d05e812007ece31c1a2795f77745ae6058d76f3c6a186f885477c5cb7883a862fe534486100e5776df121aab345c1074b7947736bbea6bdc9aab1

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

Filesize
404B

MD5
d9c5fff1ba72a3bb699d953b9f0fd73c

SHA1
b4180d42728afa2bb4dab7232ed034edd45add90

SHA256
3cc1ff702c6b06c517a9e28825916200ae96d82b1ffe35e229d508ff822074cf

SHA512
02656d0f456f4670cf2a924236ad4728d6d2c3729bc8cf861045e7816b5445c7ba806a870fb0d11ebe7f50dfb4559c3a97ccc467db0a8dc33c02f46bf624c97c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\f71068ec4c34d4851cdae2758c563da61ca3b52afe6f140dd7ca7974f4f2f6b3NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2572-18-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2572-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3060-5-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/3060-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3060-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3956-13-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download