ramnit | a064f2314162ee3d552b1e3e05f6df1668edbfc7c67a4ed9324ff6dbdf100866

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 00:57

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General

Target
jaffacakes118_HEUR.Trojan.Win32.Generic.exe
Size 95KB
Sample261014-bbd6aswxcs
SHA256 a064f2314162ee3d552b1e3e05f6df1668edbfc7c67a4ed9324ff6dbdf100866
MD5 2e7ae8d627105d1ccbe956bcbd6e3418
SHA1 c6e0873010797d0ba4d66acfc17a7153ff912f72
SHA512 cce3658f1098d5a6cffa5eb5834668283e05e2803b2f2a00db828e3e584e305b221bae25e816d9487d0b3d5dc55cd929fac7ff4840a765d83c13b47348dc344f
SSDEEP 768:G06R0UygnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:kR0un3Pc0LCH9MtbvabUDzJYWu3B
TLSH
T108A3D045B930B6DAF7A996358444FF805F3CBD290DF3C5B6345C22CEAA39C89864472D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

adware banker defense_evasion discovery ramnit privilege_escalation spyware stealer trojan upx worm

Malware Config

Signatures

Family: 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
3464	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4084-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/3464-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/4084-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/3464-34-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/3464-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/3464-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	jaffacakes118_HEUR.Trojan.Win32.Generic.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA4B7.tmp	jaffacakes118_HEUR.Trojan.Win32.Generic.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	jaffacakes118_HEUR.Trojan.Win32.Generic.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4148	872	WerFault.exe	87

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	jaffacakes118_HEUR.Trojan.Win32.Generic.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 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4C48CF71-C76A-11F1-A0CA-CAA8D6BDFC74} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "554809660"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31284087"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "556372162"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "498704454"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31284087"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe
3464	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3464	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3720	iexplore.exe
3720	iexplore.exe
1940	IEXPLORE.EXE
1940	IEXPLORE.EXE
1940	IEXPLORE.EXE
1940	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 TTPs 2 IoCs

defense_evasion privilege_escalation

Process Hollowing

T1055.012

pid	Process
4084	jaffacakes118_HEUR.Trojan.Win32.Generic.exe
3464	WaterMark.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3464	4084	jaffacakes118_HEUR.Trojan.Win32.Generic.exe	86
PID 3464 wrote to memory of 872	3464	WaterMark.exe	87
PID 3464 wrote to memory of 872	3464	WaterMark.exe	87
PID 3464 wrote to memory of 872	3464	WaterMark.exe	87
PID 3464 wrote to memory of 872	3464	WaterMark.exe	87
PID 3464 wrote to memory of 3720	3464	WaterMark.exe	98
PID 3464 wrote to memory of 4480	3464	WaterMark.exe	99
PID 3720 wrote to memory of 1940	3720	iexplore.exe	100

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4084
- 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:3464
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 204
      4⤵
      Program crash
      PID:4148
- - 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:3720
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3720 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1940
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 872 -ip 872
1⤵
PID:1956

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Process Injection

T1055

Process Hollowing

T1055.012

Defense Evasion

Modify Registry

T1112

Process Injection

T1055

Process Hollowing

T1055.012

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

WaterMark.exe

Path C:\Program Files (x86)\Microsoft\WaterMark.exe
Size 95KB
SHA256 a064f2314162ee3d552b1e3e05f6df1668edbfc7c67a4ed9324ff6dbdf100866
MD5 2e7ae8d627105d1ccbe956bcbd6e3418
SHA1 c6e0873010797d0ba4d66acfc17a7153ff912f72
SHA512 cce3658f1098d5a6cffa5eb5834668283e05e2803b2f2a00db828e3e584e305b221bae25e816d9487d0b3d5dc55cd929fac7ff4840a765d83c13b47348dc344f
SSDEEP 768:G06R0UygnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:kR0un3Pc0LCH9MtbvabUDzJYWu3B
TLSH
T108A3D045B930B6DAF7A996358444FF805F3CBD290DF3C5B6345C22CEAA39C89864472D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
Size 471B
SHA256 94deecb8b3c9a16f48b404872478dc3c8c8aad2e5a5013615effcf6d732f7e8b
MD5 f232fd89dc85e8a72a0ec6ae3b4201cf
SHA1 d6bde8e11231e4cc77ccb823bd7217248a8d182a
SHA512 2ef5fe5ca0b58731631d7b0c4c47fb12a531710a8f5568dd149d42dade296c31d637d73881dc352f7fb7ee45d605bf093cb67e469635f96b8d050169d5492ffe
TLSH
T166F0D442415DF0B15E91A4EC225E6D772920F17704D8D501F37D46D444A53EB8F45428
MD5 SHA1 SHA512 TLSH

Submit Download

E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
Size 416B
SHA256 73607a08dcac419002b848c2ca87becfc29b58c1ee27dac820d136f3d18b4c95
MD5 e35c87e9ac57d9f1f2179828a58fc148
SHA1 10e6a8e44b19aceb96ea9e2f3122cac2a7d87ef8
SHA512 7e0fdf7a468604003640c2efcb04ed198f02c3ca5f7e60bf685fa752d5f162931f2021fedd6d639dc9e09e6b174ad49f70ec73a5d9db65b1bc352363c6fc5b40
TLSH
T198E0C02415FA011EE5F4E8758FCD75218869F032042892B82DD46B0CB7026409C02A2D
MD5 SHA1 SHA512 TLSH

Submit Download

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9ITXMUND\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
TLSH
T13A823E4E61D88F57EA47B6B2D9084EA702E0C8794716DB93D62CFE63CDE33B25D02161
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/872-30-0x0000000000640000-0x0000000000641000-memory.dmp

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memory/872-31-0x0000000000620000-0x0000000000621000-memory.dmp

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memory/3464-33-0x0000000077792000-0x0000000077793000-memory.dmp

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memory/3464-34-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/3464-28-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3464-18-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/3464-32-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/3464-19-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/3464-27-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/3464-29-0x0000000020010000-0x0000000020022000-memory.dmp

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memory/3464-35-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3464-36-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-6-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/4084-2-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-16-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-3-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-4-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-0-0x0000000000400000-0x0000000000443000-memory.dmp

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memory/4084-7-0x00000000008B0000-0x00000000008B1000-memory.dmp

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memory/4084-9-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-11-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-8-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4084-1-0x0000000000401000-0x0000000000402000-memory.dmp

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