ramnit | 0834cae347fa49ec40179e4592896b086f113a1315c592a1b3271e46cec242ec

Analysis

max time kernel
133s
max time network
169s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 17:39

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General

Target

0834cae347fa49ec40179e4592896b086f113a1315c592a1b3271e46cec242ec.dll
Size

1.5MB
MD5

8329cc74f273668faf0aa5c306f70de2
SHA1

53f4198739ff10fadefb188b60d3b9ea1de9b271
SHA256

0834cae347fa49ec40179e4592896b086f113a1315c592a1b3271e46cec242ec
SHA512

11721cb1648ad5bb38705e3c48749d21f6a30ea55ceb832f4c4858ae9f75fbcf9421a7ebfabe85edcbba08dc386fdecd1bfd8aba4d435edeb868825a31178e38
SSDEEP

49152:QNVE+2VQYCJ+tCgBnRaGYqLILN03x+5UtMbc:QbppYCJ+YgBnRJYqLIh03hv

Score

10^/10

ramnit zloader banker botnet 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
Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Executes dropped EXE 1 IoCs

pid	Process
964	rundll32mgr.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1256-64-0x0000000010000000-0x000000001029E000-memory.dmp	upx
behavioral1/memory/964-66-0x0000000000400000-0x0000000000496000-memory.dmp	upx
behavioral1/memory/964-68-0x0000000000400000-0x0000000000496000-memory.dmp	upx

Loads dropped DLL 3 IoCs

pid	Process
1256	rundll32.exe
1256	rundll32.exe
1256	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 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff6f00000019000000f50400007e020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373978170"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff5600000000000000dc04000065020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3F459581-5909-11ED-9AAE-C6457FCBF3CF} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1748	iexplore.exe
1748	iexplore.exe
1748	iexplore.exe
1748	iexplore.exe

Suspicious use of SetWindowsHookEx 22 IoCs

pid	Process
1748	iexplore.exe
1748	iexplore.exe
780	IEXPLORE.EXE
780	IEXPLORE.EXE
780	IEXPLORE.EXE
780	IEXPLORE.EXE
1748	iexplore.exe
1748	iexplore.exe
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE
1748	iexplore.exe
1748	iexplore.exe
1748	iexplore.exe
1748	iexplore.exe
1512	IEXPLORE.EXE
1512	IEXPLORE.EXE
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1964 wrote to memory of 1256	1964	rundll32.exe	28
PID 1256 wrote to memory of 964	1256	rundll32.exe	29
PID 1256 wrote to memory of 964	1256	rundll32.exe	29
PID 1256 wrote to memory of 964	1256	rundll32.exe	29
PID 1256 wrote to memory of 964	1256	rundll32.exe	29
PID 964 wrote to memory of 1748	964	rundll32mgr.exe	30
PID 964 wrote to memory of 1748	964	rundll32mgr.exe	30
PID 964 wrote to memory of 1748	964	rundll32mgr.exe	30
PID 964 wrote to memory of 1748	964	rundll32mgr.exe	30
PID 1748 wrote to memory of 780	1748	iexplore.exe	32
PID 1748 wrote to memory of 780	1748	iexplore.exe	32
PID 1748 wrote to memory of 780	1748	iexplore.exe	32
PID 1748 wrote to memory of 780	1748	iexplore.exe	32
PID 964 wrote to memory of 1724	964	rundll32mgr.exe	33
PID 964 wrote to memory of 1724	964	rundll32mgr.exe	33
PID 964 wrote to memory of 1724	964	rundll32mgr.exe	33
PID 964 wrote to memory of 1724	964	rundll32mgr.exe	33
PID 1748 wrote to memory of 2016	1748	iexplore.exe	34
PID 1748 wrote to memory of 2016	1748	iexplore.exe	34
PID 1748 wrote to memory of 2016	1748	iexplore.exe	34
PID 1748 wrote to memory of 2016	1748	iexplore.exe	34
PID 964 wrote to memory of 1576	964	rundll32mgr.exe	36
PID 964 wrote to memory of 1576	964	rundll32mgr.exe	36
PID 964 wrote to memory of 1576	964	rundll32mgr.exe	36
PID 964 wrote to memory of 1576	964	rundll32mgr.exe	36
PID 964 wrote to memory of 1604	964	rundll32mgr.exe	37
PID 964 wrote to memory of 1604	964	rundll32mgr.exe	37
PID 964 wrote to memory of 1604	964	rundll32mgr.exe	37
PID 964 wrote to memory of 1604	964	rundll32mgr.exe	37
PID 1748 wrote to memory of 1512	1748	iexplore.exe	38
PID 1748 wrote to memory of 1512	1748	iexplore.exe	38
PID 1748 wrote to memory of 1512	1748	iexplore.exe	38
PID 1748 wrote to memory of 1512	1748	iexplore.exe	38
PID 1748 wrote to memory of 1276	1748	iexplore.exe	39
PID 1748 wrote to memory of 1276	1748	iexplore.exe	39
PID 1748 wrote to memory of 1276	1748	iexplore.exe	39
PID 1748 wrote to memory of 1276	1748	iexplore.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0834cae347fa49ec40179e4592896b086f113a1315c592a1b3271e46cec242ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0834cae347fa49ec40179e4592896b086f113a1315c592a1b3271e46cec242ec.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:964
  - - 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:1748
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:780
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:209934 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2016
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:406551 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1512
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1748 CREDAT:668683 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1276
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1724
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1576
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1604

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\Roaming\Microsoft\Windows\Cookies\7AOMG61C.txt

Filesize
603B

MD5
7feda3b824735a8b51ecb2eac3dc966f

SHA1
c01a4af05731a5c76b2ece6544375bad3a9cbd01

SHA256
df1e886d31b4bb29d3b8c503e3e58538e8ede3e7679243bbcff08245c8fff88d

SHA512
96b58cb538f1e7b363d3eb2cb6ab786700920d720be0d04f304d7df3ea188353cdd2f32b546891f8be1df8942e7daa0dfa44f3218dea6fc1c62c183386d2b64e

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

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\AdjMmsVista.dll

Filesize
220KB

MD5
fb27635f5921f5f27659e4054c08b6cc

SHA1
c8a357f663f01810eb3dbca601146569e9cccdd8

SHA256
496f4e2891e3f16fe387f81eda2d203f696f1045faeae73204f458fbb735c43d

SHA512
59d66860be3ea3c5261ed6f56d854ac94106204f7a1a8209ff91d9ddde53c65850f57c9d7de4b9f312c016e39d7da777165cf062d57510fd5b18590799aac84b

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
192KB

MD5
72864b90643b2ff7a3e4c06b03ad2ce7

SHA1
52f60736728362514dec7880f67009408bf744da

SHA256
c0dc483d5d52f102a46125ba7b79757cf535aaf6075ff1bf0b255243d0b88c43

SHA512
b6f2abb30dedc588601324a203f348f453443a28de2a82b16ae175621471126680bf239e502e5c4f848955a6031e211976a3aa24eaa9e1e56b06c30916a23bf2

Download Submit
memory/964-65-0x0000000001EA0000-0x0000000001F90000-memory.dmp

Filesize
960KB

Download
memory/964-66-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/964-68-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1256-61-0x00000000007E0000-0x000000000081A000-memory.dmp

Filesize
232KB

Download
memory/1256-64-0x0000000010000000-0x000000001029E000-memory.dmp

Filesize
2.6MB

Download
memory/1256-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download