ramnit | 39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c

Analysis

max time kernel
3s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 08:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

11104cb4970494f5fc485a2839d97fe7.dll
Size

228KB
MD5

11104cb4970494f5fc485a2839d97fe7
SHA1

a5528a3fbe8eda0e527aa5e932481396ab4e6231
SHA256

39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c
SHA512

e9ef07ca5b4c653a35567521137dd06b1ed9a525e3c6dce6771c23dc15a80f2511e772f1b571cb4ce05329e637de73b263be90e60d4482df84b1f5618be2ff9d
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYnFFD6DOM2iU0BVRoO9:hKZp3KNjVGvFF+SM2inhoW

Score

10^/10

ramnit banker 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 2 IoCs

pid	Process
3696	rundll32mgr.exe
3532	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3696-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3532-21-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3532-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3532-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3696-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3532-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3532-38-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3532-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px46AE.tmp	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process
3924	932	WerFault.exe

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0E02B1D4-A369-11EE-9ECD-42E20219F0C2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0DFB8BAD-A369-11EE-9ECD-42E20219F0C2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe
3532	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3532	WaterMark.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
404	iexplore.exe
4012	iexplore.exe
404	iexplore.exe
4012	iexplore.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3696	rundll32mgr.exe
3532	WaterMark.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 216	5056	rundll32.exe	14
PID 5056 wrote to memory of 216	5056	rundll32.exe	14
PID 5056 wrote to memory of 216	5056	rundll32.exe	14
PID 216 wrote to memory of 3696	216	rundll32.exe	24
PID 216 wrote to memory of 3696	216	rundll32.exe	24
PID 216 wrote to memory of 3696	216	rundll32.exe	24
PID 3696 wrote to memory of 3532	3696	rundll32mgr.exe	23
PID 3696 wrote to memory of 3532	3696	rundll32mgr.exe	23
PID 3696 wrote to memory of 3532	3696	rundll32mgr.exe	23
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 932	3532	WaterMark.exe	22
PID 3532 wrote to memory of 404	3532	WaterMark.exe	64
PID 3532 wrote to memory of 404	3532	WaterMark.exe	64
PID 3532 wrote to memory of 4012	3532	WaterMark.exe	65
PID 3532 wrote to memory of 4012	3532	WaterMark.exe	65
PID 404 wrote to memory of 3364	404	iexplore.exe	66
PID 404 wrote to memory of 3364	404	iexplore.exe	66
PID 404 wrote to memory of 3364	404	iexplore.exe	66
PID 4012 wrote to memory of 452	4012	iexplore.exe	67
PID 4012 wrote to memory of 452	4012	iexplore.exe	67
PID 4012 wrote to memory of 452	4012	iexplore.exe	67

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11104cb4970494f5fc485a2839d97fe7.dll,#1
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\rundll32mgr.exe
  C:\Windows\SysWOW64\rundll32mgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3696

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11104cb4970494f5fc485a2839d97fe7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 932 -ip 932
1⤵
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 204
1⤵
- Program crash
PID:3924

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
1⤵
PID:932

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:404 CREDAT:17410 /prefetch:2
    3⤵
    PID:3364
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4012
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4012 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCA74.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
112KB

MD5
8a04558595485ce4e50f94301ef76535

SHA1
6fbb5ead4c083e2257be8fbadc386bb4b1a874e9

SHA256
6d4b385cb816f26f78500326392dd5795857697aebc1678da82463c70b02b36b

SHA512
87dfa39743490a51090c81e38cc9393ee48a1b3b51bfe451f73b72db34a65ac9f08447cbbd9b5e05363474248eb961c5b579cc06bb2957101caf19860792cdd3

Download Submit
memory/216-3-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/932-33-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/932-32-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/3532-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3532-21-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3532-30-0x0000000077222000-0x0000000077223000-memory.dmp

Filesize
4KB

Download
memory/3532-29-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3532-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3532-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3532-38-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3532-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3532-34-0x0000000077222000-0x0000000077223000-memory.dmp

Filesize
4KB

Download
memory/3532-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3696-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-13-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/3696-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3696-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3696-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download