ramnit | 24b7d682b49cdce81fd7a6f9832a9c634ba2bd14fef7dd43ee92797d1def4f54

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 06:28

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General

Target

599efaa8ae4f37beda54f57b98b09da0.dll
Size

456KB
MD5

599efaa8ae4f37beda54f57b98b09da0
SHA1

140022bf32af7d27896d8e85af3c42d49ae4b5da
SHA256

24b7d682b49cdce81fd7a6f9832a9c634ba2bd14fef7dd43ee92797d1def4f54
SHA512

aa70e5cbb83e79c75abe557dd57c6504969744f39398fb32089a0b61857c69bf46d983e4ada2ead80a2a6a1d7149431c3804a423e354cac0afaace92fa6ab2f3
SSDEEP

6144:J4TmSt9uNNtXlD2K0Hp/59dB9SzH2xLBzWjKEyS4X1OGTUX7x8A3u:xYQtXlD2N7SD2xF0BY1DTUX7x8A3

Score

10^/10

ramnit banker evasion persistence spyware stealer trojan worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\kbnecnwr\\shfqmndf.exe"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\shfqmndf.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\shfqmndf.exe	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
3036	Pdf4513
2764	Pdf4513
2528	kmdlopfoanwroxda.exe
2852	kmdlopfoanwroxda.exe

Loads dropped DLL 9 IoCs

pid	Process
2944	rundll32.exe
2944	rundll32.exe
3036	Pdf4513
2764	Pdf4513
2764	Pdf4513
2764	Pdf4513
2764	Pdf4513
2764	Pdf4513
2528	kmdlopfoanwroxda.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShfQmndf = "C:\\Users\\Admin\\AppData\\Local\\kbnecnwr\\shfqmndf.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 2764	3036	Pdf4513	32
PID 2528 set thread context of 2852	2528	kmdlopfoanwroxda.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
484	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2764	Pdf4513
Token: SeDebugPrivilege	2764	Pdf4513
Token: SeSecurityPrivilege	2276	svchost.exe
Token: SeSecurityPrivilege	2392	svchost.exe
Token: SeDebugPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeSecurityPrivilege	2852	kmdlopfoanwroxda.exe
Token: SeLoadDriverPrivilege	2852	kmdlopfoanwroxda.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe
Token: SeBackupPrivilege	2392	svchost.exe
Token: SeRestorePrivilege	2392	svchost.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2928 wrote to memory of 2944	2928	rundll32.exe	16
PID 2944 wrote to memory of 3036	2944	rundll32.exe	18
PID 2944 wrote to memory of 3036	2944	rundll32.exe	18
PID 2944 wrote to memory of 3036	2944	rundll32.exe	18
PID 2944 wrote to memory of 3036	2944	rundll32.exe	18
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 3036 wrote to memory of 2764	3036	Pdf4513	32
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2276	2764	Pdf4513	31
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2392	2764	Pdf4513	30
PID 2764 wrote to memory of 2528	2764	Pdf4513	33
PID 2764 wrote to memory of 2528	2764	Pdf4513	33
PID 2764 wrote to memory of 2528	2764	Pdf4513	33
PID 2764 wrote to memory of 2528	2764	Pdf4513	33
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34
PID 2528 wrote to memory of 2852	2528	kmdlopfoanwroxda.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\599efaa8ae4f37beda54f57b98b09da0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\599efaa8ae4f37beda54f57b98b09da0.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Users\Admin\AppData\Local\Temp\Pdf4513
    "Pdf4513"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - C:\Users\Admin\AppData\Local\Temp\Pdf4513
      "C:\Users\Admin\AppData\Local\Temp\Pdf4513"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2764
    - - C:\Users\Admin\AppData\Local\Temp\kmdlopfoanwroxda.exe
        
        "C:\Users\Admin\AppData\Local\Temp\kmdlopfoanwroxda.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2528
      - C:\Users\Admin\AppData\Local\Temp\kmdlopfoanwroxda.exe
        
        "C:\Users\Admin\AppData\Local\Temp\kmdlopfoanwroxda.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Pdf4513

Filesize
36KB

MD5
58cd26d5cba48c86377d4f3dbcb0d437

SHA1
f9e276dff048acf593c072d9be9ade926c25bb6c

SHA256
d27a8de4bac6465d635ead175e99711216cf960483a7e3306931cb87d2f701d7

SHA512
df03cf84d177733f702040167a9d02b67586c7e6cd38593a71c19efe5282fa711a0cb9a726d4f4df77aec84bf049c7cb7a6828d4531aa9dcff4ca19e80559c01

Download Submit
C:\Users\Admin\AppData\Local\Temp\Pdf4513

Filesize
100KB

MD5
c43c51d12dab7d81aa13e6a16af1e6d0

SHA1
1fb4751c7831a1c8ceab47bfc869e95e1dd06af5

SHA256
5a388b21e1ec19fd9a99f154cb863b6cc4c5bbefd75c7dd81bf781408e69e2f6

SHA512
7bafb0bf2437232cecbef7c0e0c1cb459db5267a23cb1309dbd3689dce095f92b7875d6921fd123505e9008bb40713f9243525db0da3abc897ec9a010ee33a91

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

Filesize
43KB

MD5
983b39e0a5d4962365cd299c076bc33d

SHA1
8e36878557c483c5ae6430ca591e5cc1dc0582f0

SHA256
7ac87a80477f8fabfa1d48c394fa60996693ccd2354892bc67648a8aa748fe8b

SHA512
c4dec5d60c79ba59c17fa33c96f684bf8e46b207a8505b83d49650d7346ed990e009922aaf6e6e82616f91f436f24530aead04048d0409678bf34527cfb218bb

Download Submit
\Users\Admin\AppData\Local\Temp\Pdf4513

Filesize
51KB

MD5
a7b3ab44d8d4b8a78ed32c0692d182ef

SHA1
972a4ab4fe4994240aab8faa6476dec5f3d2f5a9

SHA256
564a77c32fc55c3898716c6073ec79924aba3f49327f311e8835878cbecbf4b6

SHA512
a9665102a33bbfc36a96475c13ddf44b290f7a4e0d4331fed5919a9dbb28d5cd731725c3634a238a62edef1ec9b347103a9f764e3a0956eaee84a91c25ba8ab7

Download Submit
memory/2276-40-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2276-34-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2276-49-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2276-44-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2276-41-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2276-42-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2276-47-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2276-32-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2276-48-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2392-75-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-81-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-59-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-69-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-79-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-53-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-80-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-82-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-83-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-68-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-84-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-85-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-86-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-87-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-88-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2764-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-30-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2764-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-23-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-25-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2764-27-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2764-17-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-20-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-38-0x0000000077AEF000-0x0000000077AF0000-memory.dmp

Filesize
4KB

Download
memory/2764-24-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-39-0x0000000077AF0000-0x0000000077AF1000-memory.dmp

Filesize
4KB

Download
memory/2764-78-0x0000000077AF0000-0x0000000077AF1000-memory.dmp

Filesize
4KB

Download
memory/2764-105-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2852-120-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2852-129-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download