ramnit | 26f612bf39f0ac73cf386b4718aa8a61fff8841527766e2521d4f2ddc04ba70c

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 14:30

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General

Target

JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe
Size

372KB
MD5

2a3efe1c3fa55161c53458d17e641fdf
SHA1

448fa4592a898e2cb91f6f86aeb5ddc46f8acac9
SHA256

26f612bf39f0ac73cf386b4718aa8a61fff8841527766e2521d4f2ddc04ba70c
SHA512

b68d56fd8106aab1e5521192d46c029b66bc04c16abbf3450dcd20aff1a80aff1f88ac752cd7433a9d578129b19c1dcaa0bfac808005acce58b6f6e6ba96488b
SSDEEP

3072:RR2xn3k0CdM1vabyzJYWqStTGdUoh9O+wZrbaFMetqHJPT:RR2J0LS6V/j0rbaFXKPT

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 1 IoCs

pid	Process
3540	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1432-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1432-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3540-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3540-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3540-32-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/3540-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3540-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxB4D9.tmp	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	2236	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155655"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3338841481"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443543612"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155655"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F29B8485-D1BA-11EF-A7EA-FA89EA07D49F} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3338841481"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3342122821"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155655"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe
3540	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2232	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2232	iexplore.exe
2232	iexplore.exe
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1432	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe
3540	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 3540	1432	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe	85
PID 1432 wrote to memory of 3540	1432	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe	85
PID 1432 wrote to memory of 3540	1432	JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe	85
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2236	3540	WaterMark.exe	86
PID 3540 wrote to memory of 2232	3540	WaterMark.exe	91
PID 3540 wrote to memory of 2232	3540	WaterMark.exe	91
PID 3540 wrote to memory of 2156	3540	WaterMark.exe	92
PID 3540 wrote to memory of 2156	3540	WaterMark.exe	92
PID 2232 wrote to memory of 2724	2232	iexplore.exe	94
PID 2232 wrote to memory of 2724	2232	iexplore.exe	94
PID 2232 wrote to memory of 2724	2232	iexplore.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a3efe1c3fa55161c53458d17e641fdf.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - 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:3540
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 204
      4⤵
      Program crash
      PID:2208
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2232
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2232 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2724
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2236 -ip 2236
1⤵
PID:436

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:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
372KB

MD5
2a3efe1c3fa55161c53458d17e641fdf

SHA1
448fa4592a898e2cb91f6f86aeb5ddc46f8acac9

SHA256
26f612bf39f0ac73cf386b4718aa8a61fff8841527766e2521d4f2ddc04ba70c

SHA512
b68d56fd8106aab1e5521192d46c029b66bc04c16abbf3450dcd20aff1a80aff1f88ac752cd7433a9d578129b19c1dcaa0bfac808005acce58b6f6e6ba96488b

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

Filesize
471B

MD5
4678c6b9e04d71f22ad272e0502cdb5e

SHA1
3f4cda0c3979c8f87b48914dd58b7eec0d480738

SHA256
8a2e74caaacdb17295780859af0882ff7e55a14ba77b04ab4656462c44adb673

SHA512
b347198672efdfb51dfdc266aa96b463fc8ee2bb260f9b493055849be7805c38b0c176d25bece406106d9d2e526c5948579f53d38737517496c1c81a7f9a2bbf

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

Filesize
404B

MD5
2ac7cc30de1c8c7c51ee946e81003634

SHA1
4f7dc564578556b127c92ce23d630544be0769aa

SHA256
37ba6a7a6e5063a7ad5199309484b2916f9bd0782973cd1562bd459f7d122eed

SHA512
4b70403d09d2e47eefe8f72226132ae0f3ffd1cbe30ee5b56399a6ca7cd2d895a9fd756418aaca7f485a13e7645a0c8f517704c80cf7caa294b73c4a6954fe4e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1432-16-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1432-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-6-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1432-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-7-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1432-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1432-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1432-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1432-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-29-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/2236-30-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/3540-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3540-32-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3540-34-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/3540-31-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3540-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3540-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3540-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3540-27-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/3540-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download