ramnit | b0dc77c71f44e23480c3293493e9d5de9da43de6fec80c67db6f69ccc7fe4ddf

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/06/2024, 00:17

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General

Target
100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe
Size 95KB
Sample240626-ak8ktsseqc
SHA256 b0dc77c71f44e23480c3293493e9d5de9da43de6fec80c67db6f69ccc7fe4ddf
MD5 100f36a7d29d60a09c7a517a9611bb10
SHA1 bff8809dba549f5843d2abf080afe6382e5eff7d
SHA512 d1ed88778f6d91e6fdfba007cca83291fb96a7c3255350a2d28797a5e307e7008b067f0405fdd60dc6cb021e96b04f7d55258f62dbdd5dbfc2043140db34e98c
SSDEEP 768:v06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:VR0vxn3Pc0LCH9MtbvabUDzJYWu3B
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
3608	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3128-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3608-25-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral2/memory/3608-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3608-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3608-23-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3128-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3608-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px465F.tmp	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4560	972	WerFault.exe	81

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{795FE5E9-3351-11EF-BCA5-56103091DE06} = "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\WindowsSearch	iexplore.exe
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\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425522928"	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
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\GPU	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
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{795D8455-3351-11EF-BCA5-56103091DE06} = "0"	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
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	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
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe
3608	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4808	iexplore.exe
4624	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4808	iexplore.exe
4808	iexplore.exe
4624	iexplore.exe
4624	iexplore.exe
1420	IEXPLORE.EXE
1420	IEXPLORE.EXE
2112	IEXPLORE.EXE
2112	IEXPLORE.EXE
1420	IEXPLORE.EXE
1420	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3128	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe
3608	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3608	3128	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe	80
PID 3128 wrote to memory of 3608	3128	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe	80
PID 3128 wrote to memory of 3608	3128	100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe	80
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 972	3608	WaterMark.exe	81
PID 3608 wrote to memory of 4624	3608	WaterMark.exe	85
PID 3608 wrote to memory of 4624	3608	WaterMark.exe	85
PID 3608 wrote to memory of 4808	3608	WaterMark.exe	86
PID 3608 wrote to memory of 4808	3608	WaterMark.exe	86
PID 4624 wrote to memory of 2112	4624	iexplore.exe	88
PID 4624 wrote to memory of 2112	4624	iexplore.exe	88
PID 4624 wrote to memory of 2112	4624	iexplore.exe	88
PID 4808 wrote to memory of 1420	4808	iexplore.exe	87
PID 4808 wrote to memory of 1420	4808	iexplore.exe	87
PID 4808 wrote to memory of 1420	4808	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\100f36a7d29d60a09c7a517a9611bb10_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3128
- 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:3608
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 204
      4⤵
      Program crash
      PID:4560
- - 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:4624
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4624 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2112
- - 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:4808
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4808 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 972 -ip 972
1⤵
PID:4776

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

Replay Monitor

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Downloads

WaterMark.exe

Path C:\Program Files (x86)\Microsoft\WaterMark.exe
Size 95KB
SHA256 b0dc77c71f44e23480c3293493e9d5de9da43de6fec80c67db6f69ccc7fe4ddf
MD5 100f36a7d29d60a09c7a517a9611bb10
SHA1 bff8809dba549f5843d2abf080afe6382e5eff7d
SHA512 d1ed88778f6d91e6fdfba007cca83291fb96a7c3255350a2d28797a5e307e7008b067f0405fdd60dc6cb021e96b04f7d55258f62dbdd5dbfc2043140db34e98c
SSDEEP 768:v06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:VR0vxn3Pc0LCH9MtbvabUDzJYWu3B
MD5 SHA1 SHA512 SSDEEP

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RecoveryStore.{795D8455-3351-11EF-BCA5-56103091DE06}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{795D8455-3351-11EF-BCA5-56103091DE06}.dat
Size 3KB
SHA256 ad056ff06825728b1aad8ba18b0bda8301f92ce1d5d0b0d09d6e37e660eb0c1e
MD5 9becd12ab477ae2987a6426397f09380
SHA1 aa899889d66fdde6bac8ab45ad0c2c34ccea8b3d
SHA512 a3b156e5a31809d787b6ea98645f0dcc93af94863f053d687a28162169451ad1af0a6d7642ed8472519232fb193da1d50189439239989f8f772e8c7a743d3691
MD5 SHA1 SHA512

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RecoveryStore.{795FE5E9-3351-11EF-BCA5-56103091DE06}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{795FE5E9-3351-11EF-BCA5-56103091DE06}.dat
Size 5KB
SHA256 d5e3f0d64094980acf1dc6d52a2e11e108bb412c55da8b1979be683fa1ebcb6f
MD5 269a27d080c734bdacc30835a7dee18a
SHA1 cfa614f59b8061a1148368f5971096a7c1dae86f
SHA512 d5f877c434da051333c62da715fe4c6e30f50c2b544482ff4ccf9d549b67824f22b281264bac3952f0d4322b865b5df04fc76a8f0a7db5c5420b061378ef8189
SSDEEP 24:ryGo/QDhx9uGGo//hx9uGhx9u879lWLBRgN0j9lWLBRgN0k0:ryGo49LBGohLhLBCLBRARLBRA1
MD5 SHA1 SHA512 SSDEEP

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memory/972-28-0x0000000000B70000-0x0000000000B71000-memory.dmp

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memory/972-29-0x0000000000B50000-0x0000000000B51000-memory.dmp

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memory/3128-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-7-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-4-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

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memory/3128-1-0x0000000000401000-0x0000000000402000-memory.dmp

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memory/3128-2-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-3-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-0-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3128-5-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3128-6-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3608-23-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3608-22-0x0000000000430000-0x0000000000431000-memory.dmp

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memory/3608-24-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3608-30-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3608-31-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/3608-32-0x0000000077572000-0x0000000077573000-memory.dmp

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memory/3608-25-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/3608-26-0x0000000077572000-0x0000000077573000-memory.dmp

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memory/3608-35-0x0000000000400000-0x0000000000421000-memory.dmp

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