ramnit | 9f32f8606762856d345439f01a8a22dfef17dcf891927a354991fdee3449a9c4

Analysis

max time kernel
128s
max time network
133s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 20:52

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General

Target

9f32f8606762856d345439f01a8a22dfef17dcf891927a354991fdee3449a9c4.dll
Size

572KB
MD5

116e7e86d5dba429ce3163a12791a9c0
SHA1

115c7ce8116fd3768c03068a0b24221aee1c5494
SHA256

9f32f8606762856d345439f01a8a22dfef17dcf891927a354991fdee3449a9c4
SHA512

64ab5711e930d4ebbb3071a16033afd33eb05461c225c1515abd26105e276debd1afef6a3beddd22d59ba4d36026a6eea7627d9e2325c97365109f414f74f93c
SSDEEP

6144:7ZLT3A5Dp0HvFIc5vBlcQGSgS62iiiiiSySYSGS+8c8c8AAANA/AA0fMGrgPhclf:7ZL7A5l0711g8onrOcWAqVvTkFsxg

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
1288	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-56.dat	upx
behavioral1/files/0x000500000000b2d2-59.dat	upx
behavioral1/files/0x000500000000b2d2-57.dat	upx
behavioral1/memory/1288-63-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1288-66-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1708	rundll32.exe
1708	rundll32.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	1708	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 53 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374559159"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F0828181-5E51-11ED-BE8B-FAA138970F28} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F07D2A51-5E51-11ED-BE8B-FAA138970F28} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe
1288	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1488	iexplore.exe
1100	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1488	iexplore.exe
1488	iexplore.exe
1100	iexplore.exe
1100	iexplore.exe
1092	IEXPLORE.EXE
1332	IEXPLORE.EXE
1092	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE
1332	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 620 wrote to memory of 1708	620	rundll32.exe	27
PID 1708 wrote to memory of 1288	1708	rundll32.exe	28
PID 1708 wrote to memory of 1288	1708	rundll32.exe	28
PID 1708 wrote to memory of 1288	1708	rundll32.exe	28
PID 1708 wrote to memory of 1288	1708	rundll32.exe	28
PID 1708 wrote to memory of 320	1708	rundll32.exe	29
PID 1708 wrote to memory of 320	1708	rundll32.exe	29
PID 1708 wrote to memory of 320	1708	rundll32.exe	29
PID 1708 wrote to memory of 320	1708	rundll32.exe	29
PID 1288 wrote to memory of 1488	1288	rundll32mgr.exe	30
PID 1288 wrote to memory of 1488	1288	rundll32mgr.exe	30
PID 1288 wrote to memory of 1488	1288	rundll32mgr.exe	30
PID 1288 wrote to memory of 1488	1288	rundll32mgr.exe	30
PID 1288 wrote to memory of 1100	1288	rundll32mgr.exe	31
PID 1288 wrote to memory of 1100	1288	rundll32mgr.exe	31
PID 1288 wrote to memory of 1100	1288	rundll32mgr.exe	31
PID 1288 wrote to memory of 1100	1288	rundll32mgr.exe	31
PID 1488 wrote to memory of 1092	1488	iexplore.exe	34
PID 1100 wrote to memory of 1332	1100	iexplore.exe	33
PID 1100 wrote to memory of 1332	1100	iexplore.exe	33
PID 1100 wrote to memory of 1332	1100	iexplore.exe	33
PID 1488 wrote to memory of 1092	1488	iexplore.exe	34
PID 1488 wrote to memory of 1092	1488	iexplore.exe	34
PID 1100 wrote to memory of 1332	1100	iexplore.exe	33
PID 1488 wrote to memory of 1092	1488	iexplore.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f32f8606762856d345439f01a8a22dfef17dcf891927a354991fdee3449a9c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f32f8606762856d345439f01a8a22dfef17dcf891927a354991fdee3449a9c4.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1708
- - 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:1288
  - - 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:1488
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1488 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1092
  - - 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:1100
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 232
    3⤵
    - Program crash
    PID:320

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.{F07D2A51-5E51-11ED-BE8B-FAA138970F28}.dat

Filesize
5KB

MD5
f21fae32ad8b4e10683f7f5f33ee8ad8

SHA1
190d06ac4cac149eadc24071b8d89747bfbbbab5

SHA256
d8d9970522174c35408bf884614fb6b0fae5fbf6dcd3fffe4ebb769f80715929

SHA512
bfc0f87fb3d5158f7d1dd1b7e79710746d8a140e4b74d80b306bf75d88b38cb36e7432bc426f1fddfc724737cc993ba0db2009f1a96ef747a8018f00dcdb11ca

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{F0828181-5E51-11ED-BE8B-FAA138970F28}.dat

Filesize
3KB

MD5
786d177d8828ac9851bc147a4c6450d0

SHA1
599ca61995d16cf8f547ebcf7a7b0d007fb8639e

SHA256
3c5772ea4a0b33930cdddf457335c017e825f601458f06aa9656f729ff0bb3fd

SHA512
f2fcdae74b896784bbea6c81d27254926129c830ca7ff472617bc3fe7b34dc677c3373501fcd0214a6bc76bcd51f9e79f53f821b275220e098ac3d130c122a2f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\Z1HYD5GM.txt

Filesize
608B

MD5
c762fd352804d39a6ef29ac723a9f3df

SHA1
12f32d3b336faf99e6512f97a4245f1a9c3ff483

SHA256
0f6ac98b6f6284996e38efc8e0087fcd8f5f32dfcb60549a9fab1382e724e43b

SHA512
388c27e2809bbe63de0937c0d16de9466beca215d8026e27b2bf873c746c321f58476a23e86ed02a42e4f5abd6d6d859239330e420bb12bf4d68f5ff6692dc1f

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

Filesize
99KB

MD5
f57eee1185dee33198b752dd1f66ad55

SHA1
b60f88d65f8805bf2ca095ecd1727b15eed4ff12

SHA256
6bb93bea58d84b9c6a562a6b888ec84ba0ecb7575b6c8f3264a9e9fb44ee37f7

SHA512
cd97a2207d7ad6178cc7c9fb13fda7015bc30a924aa43b6e8ba07961ef878a841e6d025047a35e3b60ef23a3ab9b59b16d1abe09f39dc0cd6e5515d46630ad40

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
99KB

MD5
f57eee1185dee33198b752dd1f66ad55

SHA1
b60f88d65f8805bf2ca095ecd1727b15eed4ff12

SHA256
6bb93bea58d84b9c6a562a6b888ec84ba0ecb7575b6c8f3264a9e9fb44ee37f7

SHA512
cd97a2207d7ad6178cc7c9fb13fda7015bc30a924aa43b6e8ba07961ef878a841e6d025047a35e3b60ef23a3ab9b59b16d1abe09f39dc0cd6e5515d46630ad40

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
99KB

MD5
f57eee1185dee33198b752dd1f66ad55

SHA1
b60f88d65f8805bf2ca095ecd1727b15eed4ff12

SHA256
6bb93bea58d84b9c6a562a6b888ec84ba0ecb7575b6c8f3264a9e9fb44ee37f7

SHA512
cd97a2207d7ad6178cc7c9fb13fda7015bc30a924aa43b6e8ba07961ef878a841e6d025047a35e3b60ef23a3ab9b59b16d1abe09f39dc0cd6e5515d46630ad40

Download Submit
memory/1288-63-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1288-66-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1708-61-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/1708-62-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1708-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download