ramnit | 71750442d6493101add59806be34e5359c9a9fb4a642251b493a1dbfbed7e998

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 23:19

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General

Target

1fcc830365f9cdc8460129e69184323c.html
Size

117KB
MD5

1fcc830365f9cdc8460129e69184323c
SHA1

bb1b6797bce15cd21416b24406943fb5ceb634bc
SHA256

71750442d6493101add59806be34e5359c9a9fb4a642251b493a1dbfbed7e998
SHA512

1ed9e88a91343ea6b9a4ba7cae35c1bfc3ff57955fc625a10bd098aeb9f9aa5985a76b06de551090a5f205158416c7cddba590756a3109bcc0e33a8cdc25cd10
SSDEEP

1536:p7yLi+rffMxqNisaQx4V5roEIfGJZN8qbV76EX1UP09weXA3oJrusBTOy9dGCsQy:ZyfkMY+BES09JXAnyrZalI+YQ

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
2904	svchost.exe
2776	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2072	IEXPLORE.EXE
2904	svchost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000700000001508a-2.dat	upx
behavioral1/memory/2904-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2904-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2776-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px225F.tmp	svchost.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410559287"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30ac5e4a463fda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000969d72c3e5a03a40a0257479feadc03a00000000020000000000106600000001000020000000f7cd590cd05c08264097fb851cfb35719e6298954c1926e1e9df8d7db4462a68000000000e8000000002000020000000eeccb929a5b79a82fcfce942eb724e0986501a5562600f26aabff629fe470d8f20000000cb444c0cb75ee14371922e432b95f995063df5bfe2f0284a81b704bbc3e6feb94000000062ad578d69217b2f0631ca6c6f0925cc9e10927c21740812381f30b9982e0b1c6c4d79e3f97ff13216649cfc7ea65db8f15ac7d6562de833353db479aca62b7e	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{723B71C1-AB39-11EE-B218-C2500A176F17} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2776	DesktopLayer.exe
2776	DesktopLayer.exe
2776	DesktopLayer.exe
2776	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3056	iexplore.exe
3056	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3056	iexplore.exe
3056	iexplore.exe
2072	IEXPLORE.EXE
2072	IEXPLORE.EXE
3056	iexplore.exe
3056	iexplore.exe
3024	IEXPLORE.EXE
3024	IEXPLORE.EXE
3024	IEXPLORE.EXE
3024	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2072	3056	iexplore.exe	29
PID 3056 wrote to memory of 2072	3056	iexplore.exe	29
PID 3056 wrote to memory of 2072	3056	iexplore.exe	29
PID 3056 wrote to memory of 2072	3056	iexplore.exe	29
PID 2072 wrote to memory of 2904	2072	IEXPLORE.EXE	31
PID 2072 wrote to memory of 2904	2072	IEXPLORE.EXE	31
PID 2072 wrote to memory of 2904	2072	IEXPLORE.EXE	31
PID 2072 wrote to memory of 2904	2072	IEXPLORE.EXE	31
PID 2904 wrote to memory of 2776	2904	svchost.exe	34
PID 2904 wrote to memory of 2776	2904	svchost.exe	34
PID 2904 wrote to memory of 2776	2904	svchost.exe	34
PID 2904 wrote to memory of 2776	2904	svchost.exe	34
PID 2776 wrote to memory of 2576	2776	DesktopLayer.exe	33
PID 2776 wrote to memory of 2576	2776	DesktopLayer.exe	33
PID 2776 wrote to memory of 2576	2776	DesktopLayer.exe	33
PID 2776 wrote to memory of 2576	2776	DesktopLayer.exe	33
PID 3056 wrote to memory of 3024	3056	iexplore.exe	32
PID 3056 wrote to memory of 3024	3056	iexplore.exe	32
PID 3056 wrote to memory of 3024	3056	iexplore.exe	32
PID 3056 wrote to memory of 3024	3056	iexplore.exe	32

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\1fcc830365f9cdc8460129e69184323c.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2776
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:406535 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3024

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
PID:2576

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
88bd4bd7fed0e1f50167c7907a52a3f1

SHA1
c163237bb25e62168f30af35081f84998e8b0e46

SHA256
ae56a5fb9f94037f0ae0e1309da173c72a9d426753a5d229d628e04b33d48249

SHA512
027c0984d7e697a4c1de9b840addb9ab0f769c1cd39523bc5dde08c195ea782549984615d2c7a2f1f97fb62230454567b2b32e3df2ed6f4906f6fd9bfe28d836

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9738cfe5b2efcadfa4f1653462395a04

SHA1
967f840fb7e4a44af5c8b260fc520f321f204c7f

SHA256
b821e113bc242f51ef0c4c4cacc8178a42948e646043a065cccc9528657247b0

SHA512
e4b3d7e1d5736a323e1ecc51b8056b356890efac14205f8fc851be82d40e58a9902ccda69ff662689e296744d09f6251b19322882367e435d4fed3481ed409f9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
d2912c836f498894257adf1ad8b6490f

SHA1
1884f42f2ac511016c7a2dfec60642b444950129

SHA256
c1f7520a6d24f6294b88a91e7ba181c5b5066709172e05ce2e68e534e5766535

SHA512
8ea8df6a266f840c32a1e1c7908c0b88b19182c49bf8859ff2f9adcffa7c0f6a24e07ea44b27a9ea4a2c852aea8a546ccf5d0bb132352b0a88ab30d8f5e9594e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
faec901e198c5509645a3854cc08b527

SHA1
0f85c8031e522b76fc9ed9e440f1ee6339c49c3d

SHA256
db16af0826d03240d8e2e12d983675d4285ddef6af5bbb2aff4e24bde8f833a9

SHA512
e1d017ba41017c960cf45b19d95b2de390ab9497235c4c17e09fb4259d64d8792cbc4f06934edc0525e07b37e03c8112e1e3dbf15a71a53bc8b746017904d0a8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
8c99572f8f8f3ec53289a11abb4d8e27

SHA1
b68d939b03fb832c953d72521ab2aaf7472fdb92

SHA256
c9faf320d10915b9dd6aaa486f7d6888867d4dc064656648df5998ee8cdefdb4

SHA512
259ea909fac2c31df29d46bd72db22cc9a0de692c7b6e2e61553c57085c796557b0a39c7aa2f9061198e45df33461085a8b43748904c1d3b7652379d2bf9bc2e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
795407b9fbe52340e4c599adc40ea63f

SHA1
5b2272c19090ad2d603ca03790fbd9dde6570138

SHA256
855c8a1e985de5b9edee6b1cc61c1503fdf0a6f677ff8f409eb0e5852cceedda

SHA512
961f31c2f1526db27fecb8cabd08b3c6e4b66bec50566ec36fe7fadb9066e6bf54bc0cc9e5e6baad0b66456a9e294877cfbfe070a58a4a6ac4abcfd54fd15fad

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
bdfc54cc4205c8211811041f4935289c

SHA1
7a632341dddad4c91eff083e3f3649e2454ce2d2

SHA256
2e897ccc9778dcf71740a82de0ba6664f37644a0ddae4f502c7936b0bb240283

SHA512
876cc0919f042734b64589ddf58f30b61bb25b585b53018e45853d3ee24888cea67862599568ff9bf5f86695938588c282a17a117af627a69690b7f22296b206

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
4587635fa546dcea6d231777fb34235a

SHA1
45c1913e27b89c357bc4d5d302700f43fa54ecfa

SHA256
b53f53d7b3b42bd3a0778ded9f5e48550b36083e57b64560e58827626543de9a

SHA512
e54c6885799f53cb3305ce423510e288a023828c9c89ec72c9eb046351d5d91365fca30a5f4248872d6cd465df49838f4e588445beee32de000add39a47df811

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab38B0.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar38B3.tmp

Filesize
170KB

MD5
7aea59a35a157c7c6528f993d31778c9

SHA1
e841410e7999f9486a06ccb6e3caa61ac0778b9a

SHA256
afa1afd8d739a006b054c7896f29f05d2570a2e40e797584eec0d2383471c2e7

SHA512
e0fb17cde2fd7445aac3c2a89de06af0c79cf181b101bbebe97dc11bd061d1334ed55a81580727f8a9c7703114d6da5d26e08dbc9f8f4fd9b63363b9f5c35c1d

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2776-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2776-20-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2776-17-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2904-10-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download
memory/2904-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2904-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download