ramnit | 85415aba61c0f7bee28f0106937a49c38ee25fe1be7e2ac4143a25bf63643974

Analysis

max time kernel
109s
max time network
170s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 07:50

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General

Target

85415aba61c0f7bee28f0106937a49c38ee25fe1be7e2ac4143a25bf63643974.dll
Size

516KB
MD5

0308dbade822c85b50d0984a201793e0
SHA1

233ec477b70e17ddc04c1c8c233b3cef60e3b79c
SHA256

85415aba61c0f7bee28f0106937a49c38ee25fe1be7e2ac4143a25bf63643974
SHA512

613924624bfd2fb85f800b27c2e23a38434af5d8f9baa2377403940a5995ec61346e84218e0ac9e5ce491a38261ae310d4656f7681f80976ed02ed039ba320ec
SSDEEP

12288:dzA5lZhy6RpB/6eXMVVLrkwTzCunpKI13YEqWswm6T:dzA5HhRPSeX2VHkuzRnpz1oxwm6T

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 1 IoCs

pid	Process
2024	rundll32mgr.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-56.dat	upx
behavioral1/files/0x000c0000000054a8-57.dat	upx
behavioral1/files/0x000c0000000054a8-59.dat	upx
behavioral1/memory/2024-63-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral1/memory/2024-64-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral1/memory/2024-65-0x0000000000400000-0x000000000045D000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1352	rundll32.exe
1352	rundll32.exe

Drops file in System32 directory 1 IoCs

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

Modifies Internet Explorer settings 1 TTPs 52 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{765B2341-70B1-11ED-B25A-FE72C9E2D9C9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{765AFC31-70B1-11ED-B25A-FE72C9E2D9C9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376579290"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe
2024	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1224	iexplore.exe
1284	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1224	iexplore.exe
1224	iexplore.exe
1284	iexplore.exe
1284	iexplore.exe
844	IEXPLORE.EXE
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE
844	IEXPLORE.EXE
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 860 wrote to memory of 1352	860	rundll32.exe	27
PID 1352 wrote to memory of 2024	1352	rundll32.exe	28
PID 1352 wrote to memory of 2024	1352	rundll32.exe	28
PID 1352 wrote to memory of 2024	1352	rundll32.exe	28
PID 1352 wrote to memory of 2024	1352	rundll32.exe	28
PID 2024 wrote to memory of 1284	2024	rundll32mgr.exe	30
PID 2024 wrote to memory of 1284	2024	rundll32mgr.exe	30
PID 2024 wrote to memory of 1284	2024	rundll32mgr.exe	30
PID 2024 wrote to memory of 1284	2024	rundll32mgr.exe	30
PID 2024 wrote to memory of 1224	2024	rundll32mgr.exe	29
PID 2024 wrote to memory of 1224	2024	rundll32mgr.exe	29
PID 2024 wrote to memory of 1224	2024	rundll32mgr.exe	29
PID 2024 wrote to memory of 1224	2024	rundll32mgr.exe	29
PID 1284 wrote to memory of 844	1284	iexplore.exe	33
PID 1284 wrote to memory of 844	1284	iexplore.exe	33
PID 1284 wrote to memory of 844	1284	iexplore.exe	33
PID 1284 wrote to memory of 844	1284	iexplore.exe	33
PID 1224 wrote to memory of 1504	1224	iexplore.exe	32
PID 1224 wrote to memory of 1504	1224	iexplore.exe	32
PID 1224 wrote to memory of 1504	1224	iexplore.exe	32
PID 1224 wrote to memory of 1504	1224	iexplore.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85415aba61c0f7bee28f0106937a49c38ee25fe1be7e2ac4143a25bf63643974.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85415aba61c0f7bee28f0106937a49c38ee25fe1be7e2ac4143a25bf63643974.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - 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:1224
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1224 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1504
  - - 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:1284
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1284 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:844

Network

MITRE ATT&CK Enterprise v6

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\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{765AFC31-70B1-11ED-B25A-FE72C9E2D9C9}.dat

Filesize
3KB

MD5
aca4534cb4126665528fc8b77b40ecd2

SHA1
cbb1b222a7ed3cbca13883fab2566ad2178f54a3

SHA256
c7aca69d10ee6d89c74ab846e5e2776254f80026908a9ba4d68dd494a8db4ad8

SHA512
4008167f0896fe499e9566db1e933a6aca6d3c69dace9bfb09ec284910ca835c62491b69f9fecb3cf07fc664176bf3d88f60c3f34689849776cd842df01da26b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HWAZVJ6F.txt

Filesize
539B

MD5
bf54414ca0090f4fd0f15357e6d2ddd9

SHA1
ce51edbfe2ae2b85b2fd3e261ac41c3cb6bceb96

SHA256
eb383917f3fa4a823e43cbfe8fcb7bd1457cc820a411ecd10306feb8e6c06acf

SHA512
51735231f6ec535bf1d946dd0cf89154cec9ff06175bb36658a2abfd119cf887f3727cd5837236a6a7e0622449e85587ec2de2cd36bf252a225d7841b71c1230

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

Filesize
105KB

MD5
01e5bdc619cbcb2f23b38c1e6537781b

SHA1
cc82a49c41b074ac8e4f3bc400aac43efa8dbed9

SHA256
86802fa8d3f7098033f214b8fb80578e594c474fbf6200c4388c5f4e9ebde34a

SHA512
ae8bf0ec5b80d6fbacca560a9b79584bef44f9572a250b02fb4490699cdc132ac0dd9ae8de77dd9cd493c55d4a0c0a166c95b33d8b7d1b9724caf5f5fc6f6064

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
01e5bdc619cbcb2f23b38c1e6537781b

SHA1
cc82a49c41b074ac8e4f3bc400aac43efa8dbed9

SHA256
86802fa8d3f7098033f214b8fb80578e594c474fbf6200c4388c5f4e9ebde34a

SHA512
ae8bf0ec5b80d6fbacca560a9b79584bef44f9572a250b02fb4490699cdc132ac0dd9ae8de77dd9cd493c55d4a0c0a166c95b33d8b7d1b9724caf5f5fc6f6064

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
01e5bdc619cbcb2f23b38c1e6537781b

SHA1
cc82a49c41b074ac8e4f3bc400aac43efa8dbed9

SHA256
86802fa8d3f7098033f214b8fb80578e594c474fbf6200c4388c5f4e9ebde34a

SHA512
ae8bf0ec5b80d6fbacca560a9b79584bef44f9572a250b02fb4490699cdc132ac0dd9ae8de77dd9cd493c55d4a0c0a166c95b33d8b7d1b9724caf5f5fc6f6064

Download Submit
memory/1352-55-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1352-60-0x00000000746F0000-0x0000000074777000-memory.dmp

Filesize
540KB

Download
memory/1352-62-0x00000000746F0000-0x0000000074777000-memory.dmp

Filesize
540KB

Download
memory/1352-61-0x0000000074660000-0x00000000746E7000-memory.dmp

Filesize
540KB

Download
memory/2024-65-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2024-64-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2024-63-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download