ramnit | 12e9cd6ef527bb0a99acac7ec7f81c5e9add88258c9385496c31ec5d3c4243a0

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 21:46

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General

Target

VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
Size

96KB
MD5

00f78f8acb9efe22ed6b8d2c4df745f0
SHA1

acc84bb48ad9631d0f3067a6ad344f5979089a64
SHA256

12e9cd6ef527bb0a99acac7ec7f81c5e9add88258c9385496c31ec5d3c4243a0
SHA512

04e5d445e40696f7cee760952e05f4ca7cf70633008ad286f1f8821ae662ee3d4bc76c1a4b4e190f78c30c99e65dfabdbfebce2540bd756f70e915f4d8178e4c
SSDEEP

768:O06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9z:cR0vxn3Pc0LCH9MtbvabUDzJYWu3BjtY

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
3480	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2440-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2440-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2440-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3480-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3480-22-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral2/memory/2440-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2440-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2440-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2440-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3480-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3480-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3480-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD65B.tmp	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
976	3276	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	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1713362240"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155314"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1714455863"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155314"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155314"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{91A0D565-D065-11EF-B319-D2BD7E71DA05} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443396987"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1713362240"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155314"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1714455863"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe
3480	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3480	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3496	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3496	iexplore.exe
3496	iexplore.exe
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE
1108	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2440	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
3480	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 3480	2440	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe	85
PID 2440 wrote to memory of 3480	2440	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe	85
PID 2440 wrote to memory of 3480	2440	VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe	85
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3276	3480	WaterMark.exe	86
PID 3480 wrote to memory of 3496	3480	WaterMark.exe	91
PID 3480 wrote to memory of 3496	3480	WaterMark.exe	91
PID 3480 wrote to memory of 4848	3480	WaterMark.exe	92
PID 3480 wrote to memory of 4848	3480	WaterMark.exe	92
PID 3496 wrote to memory of 1108	3496	iexplore.exe	94
PID 3496 wrote to memory of 1108	3496	iexplore.exe	94
PID 3496 wrote to memory of 1108	3496	iexplore.exe	94

C:\Users\Admin\AppData\Local\Temp\VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_00f78f8acb9efe22ed6b8d2c4df745f0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2440
- 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:3480
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3276
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 204
      4⤵
      Program crash
      PID:976
- - 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:3496
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3496 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1108
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3276 -ip 3276
1⤵
PID:1960

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
96KB

MD5
00f78f8acb9efe22ed6b8d2c4df745f0

SHA1
acc84bb48ad9631d0f3067a6ad344f5979089a64

SHA256
12e9cd6ef527bb0a99acac7ec7f81c5e9add88258c9385496c31ec5d3c4243a0

SHA512
04e5d445e40696f7cee760952e05f4ca7cf70633008ad286f1f8821ae662ee3d4bc76c1a4b4e190f78c30c99e65dfabdbfebce2540bd756f70e915f4d8178e4c

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

Filesize
471B

MD5
05a55aacc33432fec9fea490f5c69442

SHA1
bd2dd697d6e49290ff51f6f8e2db9bde87e72860

SHA256
65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

SHA512
91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

Filesize
404B

MD5
69842b380bbe30ebe91dd83b576cf0a1

SHA1
a95a12b5cc969f59fd67cf0431e4bedd02894f92

SHA256
3dcc2d6b8fed7090274c2f7ff1d6b7693c0c0ea94c66ea4e01f4f417ee949f75

SHA512
c001fe0bf05af719c72cd29d47cfbd170ee1442a8219e53c3916c2b7e0176c6679b187d354727331a9e9abfae5c45c784d68437229ba63f6dce08e753c4944e8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver59D3.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2440-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2440-2-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2440-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-3-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2440-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-7-0x00000000014C0000-0x00000000014C1000-memory.dmp

Filesize
4KB

Download
memory/2440-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2440-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2440-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3276-30-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/3276-31-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/3480-22-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3480-34-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/3480-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3480-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3480-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3480-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3480-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3480-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3480-28-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download