ramnit | e5d36cbb52be6f974b08fc9c0f4680fa69413697ae7f7c450ef73d707377f898

Analysis

max time kernel
94s
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
26/12/2024, 18:20

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General

Target

e5d36cbb52be6f974b08fc9c0f4680fa69413697ae7f7c450ef73d707377f898N.dll
Size

288KB
MD5

a764c596c8234a4b7541328cfcf85340
SHA1

3bf749c49f4c0fe513cf5e7ef2bf9ce5e638e0c1
SHA256

e5d36cbb52be6f974b08fc9c0f4680fa69413697ae7f7c450ef73d707377f898
SHA512

c3ee0604ff8501eb5ba7ffe5223a78dde89639210d0c80d486384ed327d638268d3fecd5632ca7d4764eea71832e2263a688966ef921b705d42529565c51d30f
SSDEEP

6144:5CIGPj038tAgFMldWNX+fNErZiYqVHS9fE5M7i4y3l:yj038t/FMldW4fAZiYqVHY80w3l

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 1 IoCs

pid	Process
3820	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3820-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-18-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3820-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1408	4116	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32mgr.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 (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{13CB2F09-C3B6-11EF-B9B6-FE5A08828E79} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31152066"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442002200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3900457351"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31152066"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31152066"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3897176192"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3897176192"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe
3820	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3820	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4912	iexplore.exe
4912	iexplore.exe
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3820	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4116	4644	rundll32.exe	83
PID 4644 wrote to memory of 4116	4644	rundll32.exe	83
PID 4644 wrote to memory of 4116	4644	rundll32.exe	83
PID 4116 wrote to memory of 3820	4116	rundll32.exe	84
PID 4116 wrote to memory of 3820	4116	rundll32.exe	84
PID 4116 wrote to memory of 3820	4116	rundll32.exe	84
PID 3820 wrote to memory of 4912	3820	rundll32mgr.exe	87
PID 3820 wrote to memory of 4912	3820	rundll32mgr.exe	87
PID 4912 wrote to memory of 2560	4912	iexplore.exe	89
PID 4912 wrote to memory of 2560	4912	iexplore.exe	89
PID 4912 wrote to memory of 2560	4912	iexplore.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5d36cbb52be6f974b08fc9c0f4680fa69413697ae7f7c450ef73d707377f898N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5d36cbb52be6f974b08fc9c0f4680fa69413697ae7f7c450ef73d707377f898N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:3820
  - - 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:4912
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4912 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 608
    3⤵
    - Program crash
    PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4116 -ip 4116
1⤵
PID:2664

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
863881560832be6db3d7e95507b796d8

SHA1
bab29c682b73454cb94d1a0edfaae5fd64d076f6

SHA256
1b8c898d463e9947656d97610caa6068a39c17fae72baa9168113364b7f70063

SHA512
0556ac3e08e23d12ba2558e3e1320f8c7591359a003c6b98e3d93208361000c3fc25dc13e9f4a3575ef854bd903b32f62a36e541ba10de67f38663d8d8debbcb

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

Filesize
404B

MD5
acad39f33667aa84aa8e86e53edf7586

SHA1
2f41d64498e9393243201cab279aa15d2010ef8b

SHA256
d745dbae6020102d6678bc07d95aafdb130bd0bc58c5ff2bbc218828899590d5

SHA512
7c16adec6a283e1f5406262546d7bf466b0fe0cf8a42d3927d843293ff11d7a4c873970d4fdd29462ff590772690fc25c3d0a859d2b42245bdc1ed1dcb1d00a8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
121KB

MD5
623d4fbb23eede885545651c25bc9b28

SHA1
290d67841d6bd8ce68ae88d8f4a3e3bdca072143

SHA256
1546eae84af97be2cfd8127c75f79b03bd18cc9f44630d3e4e87a5074c644050

SHA512
e489e9316626a645581fb5f0db8458df951643ebdb5a9e9224b3a3f4d9808efbda3a1ad260d865bd49ee385ddf46188072700e0536d3a335cacbaba998ea2f2a

Download Submit
memory/3820-19-0x00000000772A2000-0x00000000772A3000-memory.dmp

Filesize
4KB

Download
memory/3820-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3820-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3820-18-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-21-0x00000000772A2000-0x00000000772A3000-memory.dmp

Filesize
4KB

Download
memory/3820-11-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/3820-22-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3820-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3820-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3820-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4116-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4116-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download