ramnit | 80f23a972fffc3bb72a7a8fa64aa0f7390b87af4410d50145b1567e46c1f037a

Analysis

max time kernel
80s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 10:30

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General

Target

80f23a972fffc3bb72a7a8fa64aa0f7390b87af4410d50145b1567e46c1f037aN.dll
Size

1.1MB
MD5

93a8c85a4850c713e058d195a7284f50
SHA1

042e5a60277ed2cc5bf24723215442f5d845294f
SHA256

80f23a972fffc3bb72a7a8fa64aa0f7390b87af4410d50145b1567e46c1f037a
SHA512

8d21a3f23406262b373a1e65565368951d0600c48ffb8b04bb132961ca7a2e57cc484745b4fac90bdb7db0a3e7c707d74bca29e3fa87f5350358206944e6822d
SSDEEP

24576:Q4/2xTokuPPRz3sFRI4LNpY4u6tm/wM02I5:As3V3INpDtm/N0

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

Executes dropped EXE 1 IoCs

pid	Process
2832	rundll32Srv.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2832-13-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/files/0x000d000000012262-10.dat	upx
behavioral1/memory/2832-8-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7011.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2832	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe
2832	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2216 wrote to memory of 2708	2216	rundll32.exe	30
PID 2708 wrote to memory of 2832	2708	rundll32.exe	31
PID 2708 wrote to memory of 2832	2708	rundll32.exe	31
PID 2708 wrote to memory of 2832	2708	rundll32.exe	31
PID 2708 wrote to memory of 2832	2708	rundll32.exe	31
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 368	2832	rundll32Srv.exe	3
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 380	2832	rundll32Srv.exe	4
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 420	2832	rundll32Srv.exe	5
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 464	2832	rundll32Srv.exe	6
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 480	2832	rundll32Srv.exe	7
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 488	2832	rundll32Srv.exe	8
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 604	2832	rundll32Srv.exe	9
PID 2832 wrote to memory of 684	2832	rundll32Srv.exe	10
PID 2832 wrote to memory of 684	2832	rundll32Srv.exe	10
PID 2832 wrote to memory of 684	2832	rundll32Srv.exe	10
PID 2832 wrote to memory of 684	2832	rundll32Srv.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:368
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:464
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:604
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1416
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:804
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:684
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:772
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:820
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1176
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:860
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:1004
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:328
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1028
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1084
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1132
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1656
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:844
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1748
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:480
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:380

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\80f23a972fffc3bb72a7a8fa64aa0f7390b87af4410d50145b1567e46c1f037aN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\80f23a972fffc3bb72a7a8fa64aa0f7390b87af4410d50145b1567e46c1f037aN.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Windows\SysWOW64\rundll32Srv.exe
      C:\Windows\SysWOW64\rundll32Srv.exe
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\WINDOWS\SYSWOW64\RUNDLL32SRV.EXE

Filesize
84KB

MD5
bebe695bc853caee203554d5e7993436

SHA1
96d4cb0b14df2cff1a108beebbc5757752564298

SHA256
a46380a6ec51f5076a7039970bcc5eb8fbb25db7e66ec260e32a7d99be89af1f

SHA512
0ddeda0885a5303f3cacebf44c72ae67a83512f3c52cb85af585deb3ea1c38f720d16040f95cb7fbf979bffc3b448d67540c5b91da157f5c37a2398cefa5f327

Download Submit
memory/2708-1-0x0000000010000000-0x0000000010115000-memory.dmp

Filesize
1.1MB

Download
memory/2708-6-0x0000000010000000-0x0000000010115000-memory.dmp

Filesize
1.1MB

Download
memory/2708-14-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2708-9-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2708-7-0x0000000010000000-0x0000000010115000-memory.dmp

Filesize
1.1MB

Download
memory/2832-15-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/2832-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2832-8-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download