ramnit | 10bc4f144668778deaaf25f8272fb572938bf356fc5807eea4a6307626d85b56

Analysis

max time kernel
80s
max time network
90s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 22:32

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General

Target
09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe
Size 96KB
Sample240620-2f6dfsvann
SHA256 10bc4f144668778deaaf25f8272fb572938bf356fc5807eea4a6307626d85b56
MD5 09d70d41223666e073a75e9e51cc39e0
SHA1 686d62f41094ae1587c4616e6889a7860ee826ca
SHA512 d10fff1cea5e9bc8fbfcf093e0e8be49ebe09e56355ff81f4577cf3225e658b7365da94901ce5bf207a6e62427f2e13f0e6eded66aecacf0eb5ed66826e686da
SSDEEP 1536:bxf0u7YnqMGGGMZZZyVb1t9e4GNqBvrPzO7/YiMIATcjiO:bxf026qbJ1y4GNq5jz+/YiMaf
MD5 SHA1 SHA512 SSDEEP

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
2004	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2004-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2004-26-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/2436-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2436-1-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2004-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px513D.tmp	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5116	896	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 16 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FC99560E-2F54-11EF-BCA5-527CD1CC5F27} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425084632"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe
2004	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3280	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3280	iexplore.exe
3280	iexplore.exe
5012	IEXPLORE.EXE
5012	IEXPLORE.EXE
5012	IEXPLORE.EXE
5012	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2436	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe
2004	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2004	2436	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe	82
PID 2436 wrote to memory of 2004	2436	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe	82
PID 2436 wrote to memory of 2004	2436	09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe	82
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 896	2004	WaterMark.exe	83
PID 2004 wrote to memory of 3280	2004	WaterMark.exe	91
PID 2004 wrote to memory of 3280	2004	WaterMark.exe	91
PID 2004 wrote to memory of 2136	2004	WaterMark.exe	92
PID 2004 wrote to memory of 2136	2004	WaterMark.exe	92
PID 3280 wrote to memory of 5012	3280	iexplore.exe	93
PID 3280 wrote to memory of 5012	3280	iexplore.exe	93
PID 3280 wrote to memory of 5012	3280	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09d70d41223666e073a75e9e51cc39e0_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 204
      4⤵
      Program crash
      PID:5116
- - 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:3280
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3280 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:5012
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 896 -ip 896
1⤵
PID:3252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

WaterMark.exe

Path C:\Program Files (x86)\Microsoft\WaterMark.exe
Size 96KB
SHA256 10bc4f144668778deaaf25f8272fb572938bf356fc5807eea4a6307626d85b56
MD5 09d70d41223666e073a75e9e51cc39e0
SHA1 686d62f41094ae1587c4616e6889a7860ee826ca
SHA512 d10fff1cea5e9bc8fbfcf093e0e8be49ebe09e56355ff81f4577cf3225e658b7365da94901ce5bf207a6e62427f2e13f0e6eded66aecacf0eb5ed66826e686da
SSDEEP 1536:bxf0u7YnqMGGGMZZZyVb1t9e4GNqBvrPzO7/YiMIATcjiO:bxf026qbJ1y4GNq5jz+/YiMaf
MD5 SHA1 SHA512 SSDEEP

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memory/896-25-0x0000000000730000-0x0000000000731000-memory.dmp

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memory/896-24-0x0000000000750000-0x0000000000751000-memory.dmp

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memory/2004-19-0x00000000008D0000-0x00000000008D1000-memory.dmp

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memory/2004-30-0x00000000772B2000-0x00000000772B3000-memory.dmp

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memory/2004-29-0x0000000000870000-0x0000000000871000-memory.dmp

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memory/2004-28-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2004-33-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2004-32-0x00000000772B2000-0x00000000772B3000-memory.dmp

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memory/2004-26-0x0000000000400000-0x000000000042A000-memory.dmp

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memory/2004-31-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/2436-9-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-22-0x0000000000401000-0x0000000000416000-memory.dmp

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memory/2436-6-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-5-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-4-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-3-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-2-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-1-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2436-0-0x0000000000400000-0x000000000042A000-memory.dmp

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memory/2436-21-0x0000000000416000-0x0000000000420000-memory.dmp

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memory/2436-20-0x0000000000401000-0x0000000000405000-memory.dmp

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