ramnit | a22c5fcc9b2138f9a49ea73ac52678e9ad3edd4b92702b87cea992d005b40dbe

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2024, 19:44

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General

Target

e2f02a20ec56eef85cd857502f7c4606_JaffaCakes118.dll
Size

460KB
MD5

e2f02a20ec56eef85cd857502f7c4606
SHA1

9e95aa94451b0209716580d37f08d557befd0c19
SHA256

a22c5fcc9b2138f9a49ea73ac52678e9ad3edd4b92702b87cea992d005b40dbe
SHA512

c47acf9d65334a08efb1c32f69be1b3bb1eb7de020748cacff487b049b9e42615ab1c1d027d2b7323f139f8563ada78f2d656f8f8a58c783dcf8e0c0af83fd60
SSDEEP

6144:5/gxI5p8RC6JL0OFLm1I7AV4COHEQeewQeelQeesQeeudQeefQeeZKwQBIoqhvJc:GxI5QLM1aw4CIoqhKWy50tSd

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
4440	regsvr32mgr.exe
4824	WaterMark.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4440-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4440-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-38-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/4824-37-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/4824-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px78AA.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4028	376	WerFault.exe	86

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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BEA35636-B87C-11EF-91C3-6AACA39217E0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2466625541"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149193"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440768114"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149193"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2466625541"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149193"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2468344266"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe
4824	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4824	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2356	iexplore.exe
2356	iexplore.exe
3992	IEXPLORE.EXE
3992	IEXPLORE.EXE
3992	IEXPLORE.EXE
3992	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4440	regsvr32mgr.exe
4824	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 3696	2468	regsvr32.exe	83
PID 2468 wrote to memory of 3696	2468	regsvr32.exe	83
PID 2468 wrote to memory of 3696	2468	regsvr32.exe	83
PID 3696 wrote to memory of 4440	3696	regsvr32.exe	84
PID 3696 wrote to memory of 4440	3696	regsvr32.exe	84
PID 3696 wrote to memory of 4440	3696	regsvr32.exe	84
PID 4440 wrote to memory of 4824	4440	regsvr32mgr.exe	85
PID 4440 wrote to memory of 4824	4440	regsvr32mgr.exe	85
PID 4440 wrote to memory of 4824	4440	regsvr32mgr.exe	85
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 376	4824	WaterMark.exe	86
PID 4824 wrote to memory of 2356	4824	WaterMark.exe	90
PID 4824 wrote to memory of 2356	4824	WaterMark.exe	90
PID 4824 wrote to memory of 4460	4824	WaterMark.exe	91
PID 4824 wrote to memory of 4460	4824	WaterMark.exe	91
PID 2356 wrote to memory of 3992	2356	iexplore.exe	93
PID 2356 wrote to memory of 3992	2356	iexplore.exe	93
PID 2356 wrote to memory of 3992	2356	iexplore.exe	93

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e2f02a20ec56eef85cd857502f7c4606_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e2f02a20ec56eef85cd857502f7c4606_JaffaCakes118.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3696
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4440
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:4824
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:376
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 204
        6⤵
        Program crash
        
        PID:4028
    - - 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:2356
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2356 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3992
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 376 -ip 376
1⤵
PID:3056

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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
030d28178ec890f0d933359dad23da1e

SHA1
5fa5195ca05aea5caaf471afbcc2fd039876f3c4

SHA256
1e40a11d7943a7924cacca9632fa6dd8bd24fb1072cb61e64f9033ebce74806b

SHA512
0a4d2a2dc387cda5c4a2545d416aa40eaccc7f0176861c2862c0a792970282189548309263d0937913a9e8be8105074a8d7129b87e277db68a0efbc57f3030e6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
69809f9a0ebabd94b5f7048e6c86d900

SHA1
60c5fc77f4f8ef64bcdf9287c288d9c2442690a9

SHA256
8e2a91b97a0cf592cb1c556b4fb97fa87115c4d3f23f6f729c1906cc74415e65

SHA512
6576ec4f01b4c31bb6a1b2d5513532a68a8e64124d6b669832875c32cd4679cf8f92181dbba23ba3e5e48975b2ff848ecaf8cb06895d7839be5e6c691b82a79a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
memory/376-33-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/376-34-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3696-0-0x0000000007430000-0x00000000074A3000-memory.dmp

Filesize
460KB

Download
memory/4440-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4440-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/4440-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4440-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-30-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/4824-35-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/4824-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4824-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4824-36-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4824-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-28-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/4824-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download