ramnit | 333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179

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
16-12-2024 07:18

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General

Target

333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
Size

1.2MB
MD5

b497efcb979ec390ebc545af329f4580
SHA1

3dbdb697e7d8bed107910f3e1bfe2dbee6c63b8f
SHA256

333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179
SHA512

7bccecced8dfab161760e8773e2b7b2036e7819ae972d50d13d0e151c292429701bd8769f0fd8f02b77bf861e7d6619ca59f380c3efd0256b4a61087249c5fbb
SSDEEP

12288:7qOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey++r/qC/:7najQEPnvg6PhWDC750MD

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
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3028-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/3028-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2400	1112	WerFault.exe	81

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	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3607819509"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3607819509"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0297DEE4-BB7E-11EF-ADF2-FAA11E730504} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149962"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149962"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3610163261"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441098510"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149962"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3904	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
3904	iexplore.exe
3904	iexplore.exe
1000	IEXPLORE.EXE
1000	IEXPLORE.EXE
1000	IEXPLORE.EXE
1000	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 3028	1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe	82
PID 1112 wrote to memory of 3028	1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe	82
PID 1112 wrote to memory of 3028	1112	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe	82
PID 3028 wrote to memory of 3904	3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe	83
PID 3028 wrote to memory of 3904	3028	333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe	83
PID 3904 wrote to memory of 1000	3904	iexplore.exe	84
PID 3904 wrote to memory of 1000	3904	iexplore.exe	84
PID 3904 wrote to memory of 1000	3904	iexplore.exe	84

C:\Users\Admin\AppData\Local\Temp\333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe
"C:\Users\Admin\AppData\Local\Temp\333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
  C:\Users\Admin\AppData\Local\Temp\333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe
  2⤵
  - 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:3028
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3904
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3904 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1492
  2⤵
  - Program crash
  PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1112 -ip 1112
1⤵
PID:408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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
cda3a1245093d86501ad9761f10320fa

SHA1
9ff6b95b0a72732f8afbd9504fa640bec134b498

SHA256
eb60e5aa4327f06e072f6b97c6a52532aa55d5a5dc53e1d48ecced85da6214dc

SHA512
51abd474d484588dd1cdc5580cf28d6a5d0481a4488f1f5b8a491c4f30ecaf5ba8cffa9c9ac696358d6725c6e290e8d28d2e3984d3d55f0ae496a65bc4142a1d

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

Filesize
404B

MD5
00dc1c29c6ef2039e35d5d2f07bbda1e

SHA1
90bea2d9f563b30a22caf199acb9273d2d3eaa28

SHA256
a93d9ba205641d983542793cb3d48184d2ce0328a885df6d358d8efcd1a39e39

SHA512
3e8b56eaa7250db8a99ff31a1715606759014fad76f14b01602ecd78affcc6e00f49061f94b2c9d890375bb3dcc2e103f35e3ac6b8bdd4ada7be3a4c9a97b0a4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\333b4ee0dad081c684ddd5ff2c4e5eaf6581077f5d2d7cf4d452d87712d12179Nmgr.exe

Filesize
93KB

MD5
3dd70587ad0e0903d8462e7faada5085

SHA1
ec0ba226d85dd6c56a03044a8d5a239a32e0a6e5

SHA256
8edb1dc2ef928c1b9aa615072d074f1e4918d9d3f34c0e7afbe06c434ba04f0b

SHA512
145baa1d4a66b1d008f0602bb2dd778fed70e0814d9ab1b268784164e04c51bc77fe24783554023930f8a0bffdc7e44e9db2187bafabeb8fd62454f5375a8b37

Download Submit
memory/1112-0-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download
memory/1112-21-0x0000000000400000-0x0000000000536000-memory.dmp

Filesize
1.2MB

Download
memory/3028-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3028-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3028-18-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/3028-20-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3028-6-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3028-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download