ramnit | 11ca1a13594f135fb7db1e43820f632785c694e0cc08d0a60f4ea56f076dc46b

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 19:55

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General

Target

11ca1a13594f135fb7db1e43820f632785c694e0cc08d0a60f4ea56f076dc46b.dll
Size

432KB
MD5

e2795bde417b4b6413113dd2fad7b69e
SHA1

3d60d07b1c6e8b8175146942ba49b680f59f0c63
SHA256

11ca1a13594f135fb7db1e43820f632785c694e0cc08d0a60f4ea56f076dc46b
SHA512

23ef497e74100ada223db852131fb9ff71336674d39aab9ef9ffbe1fec3ea9a48ae200302a2992cc4ed7951dc3fbaf77293885f5e75b9b778d052a7701b4dbbb
SSDEEP

3072:qn4cV8gf2u41Z5tKlwgtYuYZZr25Z2tKEtx8xys:Q4y8gOl2WgRYH25Z2tF8xys

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
3620	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/3620-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3620-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{71F52A71-9E0B-11EF-B9D5-C67090DD1599} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1180299370"	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 = "437860721"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142424"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1184049786"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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 (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\Recovery\PendingRecovery\AdminActive = "0"	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\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142424"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
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\DomainSuggestion\FileNames\	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1180299370"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142424"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe
3620	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1104	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1104	iexplore.exe
1104	iexplore.exe
468	IEXPLORE.EXE
468	IEXPLORE.EXE
468	IEXPLORE.EXE
468	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3620	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 3936	3552	rundll32.exe	83
PID 3552 wrote to memory of 3936	3552	rundll32.exe	83
PID 3552 wrote to memory of 3936	3552	rundll32.exe	83
PID 3936 wrote to memory of 3620	3936	rundll32.exe	85
PID 3936 wrote to memory of 3620	3936	rundll32.exe	85
PID 3936 wrote to memory of 3620	3936	rundll32.exe	85
PID 3620 wrote to memory of 1104	3620	rundll32mgr.exe	87
PID 3620 wrote to memory of 1104	3620	rundll32mgr.exe	87
PID 1104 wrote to memory of 468	1104	iexplore.exe	88
PID 1104 wrote to memory of 468	1104	iexplore.exe	88
PID 1104 wrote to memory of 468	1104	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11ca1a13594f135fb7db1e43820f632785c694e0cc08d0a60f4ea56f076dc46b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\11ca1a13594f135fb7db1e43820f632785c694e0cc08d0a60f4ea56f076dc46b.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3936
- - 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:3620
  - - 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:1104
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1104 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:468

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
ee5fe122ed7f86c205655b9cba8c9138

SHA1
e336589d24be98c05a47ad93daf11ab568dea58b

SHA256
e4980b849930ff5ad2572d98efa45c128edad97927f4519a3ad8f037787b7be5

SHA512
1d0a1901f19a14173ef483d4c4cdb7ab6716bf2bec26cdefa22f1c4b661e592daea02c6dc634ddbcdf18e2b30df171ad8b166428b5fe9ff3f2290da2378caed5

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

Filesize
404B

MD5
fa69a3558c213533524fd8e71bb09492

SHA1
0dbe71947767bf130fec86b66717ef3060b198aa

SHA256
53d7cbbc3d38963c829110db02e594406ef69070d4da960e9df2668d35a7bcbe

SHA512
d5abeea443fd4e0d62dc3fd821208b4a85ee03092d6f07bfca1b430e41dc96235e66706b90cf7b5b2dd463545ec7d714e533558f72f5cff525117279ca75af33

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DomainSuggestions\en-US.1

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
340KB

MD5
36ca36c203021c6f987ee4b5c3dd605f

SHA1
f98c77ec78ec6a41e8e175c51c0fc0dee3c46b8b

SHA256
84cfde6d10074056ad2acf655507bce47e9f4bf62825c81ff3d4135245e7014a

SHA512
2387150226ddff9a2e7f8a910407e092949ce631f326ae73568cc4dbf018d25ef6f0b3dd2aaef51bdb1bbbbb9964a5e33fd6fab764e49a8a69ae0a861b478f58

Download Submit
memory/3620-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-18-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/3620-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-15-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/3620-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3620-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-11-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3620-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-17-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/3620-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3620-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3936-0-0x0000000010000000-0x000000001006D000-memory.dmp

Filesize
436KB

Download