ramnit | 40bee2d656d4e48eedbc5a80b5bf9bb935f76ca921c1827bfe0719b577593ce2

Analysis

max time kernel
85s
max time network
67s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 14:08

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General

Target

40bee2d656d4e48eedbc5a80b5bf9bb935f76ca921c1827bfe0719b577593ce2.dll
Size

132KB
MD5

0241061c3d392e40f4f576aa3e651d2c
SHA1

11c1dc9ecfc6a34e6d8d3f2f261cec57182162c4
SHA256

40bee2d656d4e48eedbc5a80b5bf9bb935f76ca921c1827bfe0719b577593ce2
SHA512

0adf46951518af8b40e1769e955c4988b05f107fb27d05cd2371cc58534afc013e04fc15bf9699e9bf7f215460e1a0e28b02a5788ff3812557a8a9308d0b4197
SSDEEP

3072:an4cV8gf2u41Z5tKlm96oXewSNPJ/lVkLPy41:g4y8gOl2ILXejkt1

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 2 IoCs

pid	Process
2068	rundll32Srv.exe
2492	DesktopLayer.exe

Loads dropped DLL 4 IoCs

pid	Process
1660	rundll32.exe
1660	rundll32.exe
2068	rundll32Srv.exe
2068	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-10-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2068-20-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2492-22-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2492-24-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2492-26-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxE0AE.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{58EF6B01-BC80-11EF-9AA4-4E0B11BE40FD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440606358"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2492	DesktopLayer.exe
2492	DesktopLayer.exe
2492	DesktopLayer.exe
2492	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3032	iexplore.exe
3032	iexplore.exe
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 2308 wrote to memory of 1660	2308	rundll32.exe	31
PID 1660 wrote to memory of 2068	1660	rundll32.exe	32
PID 1660 wrote to memory of 2068	1660	rundll32.exe	32
PID 1660 wrote to memory of 2068	1660	rundll32.exe	32
PID 1660 wrote to memory of 2068	1660	rundll32.exe	32
PID 2068 wrote to memory of 2492	2068	rundll32Srv.exe	33
PID 2068 wrote to memory of 2492	2068	rundll32Srv.exe	33
PID 2068 wrote to memory of 2492	2068	rundll32Srv.exe	33
PID 2068 wrote to memory of 2492	2068	rundll32Srv.exe	33
PID 2492 wrote to memory of 3032	2492	DesktopLayer.exe	34
PID 2492 wrote to memory of 3032	2492	DesktopLayer.exe	34
PID 2492 wrote to memory of 3032	2492	DesktopLayer.exe	34
PID 2492 wrote to memory of 3032	2492	DesktopLayer.exe	34
PID 3032 wrote to memory of 2708	3032	iexplore.exe	35
PID 3032 wrote to memory of 2708	3032	iexplore.exe	35
PID 3032 wrote to memory of 2708	3032	iexplore.exe	35
PID 3032 wrote to memory of 2708	3032	iexplore.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40bee2d656d4e48eedbc5a80b5bf9bb935f76ca921c1827bfe0719b577593ce2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40bee2d656d4e48eedbc5a80b5bf9bb935f76ca921c1827bfe0719b577593ce2.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2492
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3032
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:275457 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2708

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
fc9d5f4d63960b4d27fba1908e5052a1

SHA1
e684c3794202f91bf678bb6f66beaf5d54a08aa4

SHA256
484830ea0cdbbe5a44b93396a3ec23243878bd51f3ba1644e42ef05dad7159c1

SHA512
4784619a16954f5136d04dd93b36190b714b66ac2426249bbd78ae9809010275b247f5e48dfc32baa3ce62b894af914d1d3809554e768dfc07573e13f46bd8c0

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

Filesize
342B

MD5
5c19e484082f5cff3ed8a96dbda9a7a7

SHA1
e2171434d2ab39e2c05cae99dd60f84398f6d42f

SHA256
758a8fbfd759b350ef2c34f4fb82fdb30e0ed29c40d9519cf16ff4a62c543302

SHA512
2be90982df3207a551386e042acf9d8490131dedf85dc836cd25334d436548441370c006db7bf3a1f3c7fc2b446a6b29e88dbcfe44ebe3098e39ba1519962046

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

Filesize
342B

MD5
a127c5fbf4bfd3295071adf78e60972c

SHA1
7b6eece091ec7565143791ae8c6c8cf5dec2f851

SHA256
b362a8d8b066475bfc52e5d41b9b2542fbbbaf1362fc514e9efb0c9407a73020

SHA512
c762ff74380d91769a076d7306343c1a0686424a5d3d6312a1c8c1aa44e5c386b6b6587f1ea57a9476b733efe5cc5669bfa669ae9b005d7e67942f5873c956ad

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

Filesize
342B

MD5
0d4c2999c8b33102e3e194a53ddec2b5

SHA1
ad295f8e16f9062a7f870c3b8ec2b50ac8f6a8e5

SHA256
0613f38152d08e00e720e1572e5f93bbb20326185670b854db957e2d4048980e

SHA512
6397ce6d7ca710e74c5f70a19d0eeb694e473d09b2bb37df2c88163c2552a38b6af1bc11e2405382b25614b7ec64023a09f0a42a9557747729a6b58f831ac50c

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

Filesize
342B

MD5
03161a5bc81d73e552a54668e5b70807

SHA1
fe052aacf82f0402761a29193ba5b218ee771b68

SHA256
975e25d82d1635a5f2b5be7c8c80bc737fa006bdfbb0f6791874667faf6ba879

SHA512
671492f23e6704d2f03dd86f88509d7cdedb2e573811c2116756827730bce157a28c27623dee59c74d97e6ede7d2aa772f1b47b3e952baaec45c696b8d52946f

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

Filesize
342B

MD5
96b372f1843a33b8ce6b2ed5592f82da

SHA1
98a2db2fee1e3ae5c0eb38f8923ad9c4dc7bd0fa

SHA256
bcdcc1043935c2230854b07cbb9d53f866b03f601eccc17b4aaee55b7d2bb048

SHA512
a762dc9cf6a3f1f843792ed15e489c03103a29c76304615b6a9366bda6b5b853d790c21b1e8e23f3949aec330abdbc165579547b5352d9123de1d9f3febb6d56

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

Filesize
342B

MD5
af59571777f68899f847b034c9726957

SHA1
8557030c262f022c6542df475d6795986da5fb95

SHA256
75fa58bed28883832abd3e8a0c99a60b1995af2019180e3cf6bc3784b76470f1

SHA512
58fa7908e800902c3cb6b003113f92378262fbc04b59cfca0d4de59b5197fd5a266a61dce056994d4b4523ccd6d7cd15c7c0e86784359cfb9b9fd22933278b08

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

Filesize
342B

MD5
0e08a4b3dc9abc99eed188c5c3b7c43c

SHA1
29fc6ea7dcdbb69dcfc741c4d69fdc9f0aa83663

SHA256
24e1f8d32275738035f945f357cdfd25cb720e71a91fa5b4df0c910e69bc2cb2

SHA512
00181d0e47b76c2cec0bd3a2358a0a30792ad1560d8a99ea8b12b77373b6797f59d0f92127ca6d449b8ced3609466272e75d5e5323521d4a31006f5357b580a8

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

Filesize
342B

MD5
f1af4286da613084f64dd6b9c12f2349

SHA1
366857f5f4eb940f9cbd138a669211293d1433b2

SHA256
70b5cc7a238a4140a981e37bf2a2bae04caf897a328ebdb5fac5ab659c651f29

SHA512
ece31fb6c555f159da5f78b3ecb2bdb293664e9a7e1496068a6791b2303ea73ae659f9691754cd6bb013e30f65071fa46bea1286a24e2ce99ed1af9c0e087317

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

Filesize
342B

MD5
f82acca2bff28f114cb36088a80712d5

SHA1
3e737479295bd6411910fde4a89d69c2ba4c3811

SHA256
5b193ea1011c62cf5851c6efd3fe4f85c68a4d24a6e0bd90089a3ba45b704089

SHA512
7ab73e671f34e80a9a9ce1177526f9737b896ec9395dc81320ff7824fbe23bdc5f0c32ba4e51ff8f4ef8b6b5e010fa88486c2ea0925bf75892ae187eec14aaea

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

Filesize
342B

MD5
0e98cfb9731d3755dbaac5f4df30c04f

SHA1
2c1f5c0b61df5d85eaebac8b36d63a7fef641896

SHA256
121e14f0eec4851fcad9424735963680df78f68519eaf76dc12e80696d91603c

SHA512
45b7d167ad0743e0212c589a6061ad59ad27241b4f7dc150b7b42a46689b30db4e706500259ff3e7e185aebd20d09d40d28db2a7dea4dae32180e89ecc771096

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab10B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar573.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
39KB

MD5
7b9c72733b615919a28f1011958b818f

SHA1
de615eab8b5e75719cb4054c61fe32413a1d33b9

SHA256
c8112bf0a8b70ffae2ef6061c06422d897022e353949dbf6ba071e6167c9298b

SHA512
ed6dd3a5173a8e479ef68dda1b33e8b386efc0a5fe193be3b7f0ddbd984ab741dc9efa2b1e5149e0ed7d94bd99e7ea47e6f988da9314515f1c41589ee146437f

Download Submit
memory/1660-8-0x0000000010000000-0x0000000010022000-memory.dmp

Filesize
136KB

Download
memory/2068-10-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2068-20-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2492-24-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2492-22-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2492-23-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2492-26-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download