ramnit | ccefffeaf53b97f358c98a40ca82b3d5a59dd838c6536453ebdc6747e8b877cf

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 06:02

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General

Target
c2a0cefbb26e9103b4cc2eb0b7f7f828.exe
Size 166KB
Sample240312-grgh9aab61
SHA256 ccefffeaf53b97f358c98a40ca82b3d5a59dd838c6536453ebdc6747e8b877cf
MD5 c2a0cefbb26e9103b4cc2eb0b7f7f828
SHA1 50ff3a39fa851e6681b6136b5d810ad63eac2540
SHA512 95a1ba51d03ffa59054c5471ca0e5f06409acf010df40fb6b2c9cd4902b9ca53d0374c467303f74605fa05b0f06f79033012117d8eaa019e96a0a60db60e8a51
SSDEEP 1536:ZNpbWTono2PF9yJH9KBjH7ZoSQoL+Qz6AkMK6TNXkZXdrBVPjlVRuwz24+v:QdKFOoL16AkMK6BXEtrB9jlP5Yv
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 2 IoCs

pid	Process
5060	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
1372	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5060-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5060-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1372-24-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/1372-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1372-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1372-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1372-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px30A5.tmp	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3584	3268	WerFault.exe	89

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{133CE1F6-E036-11EE-AE4D-D2E65CF77D40} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3885975177"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093826"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3893944248"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3885975177"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416988314"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093826"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093826"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe
1372	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4676	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4676	iexplore.exe
4676	iexplore.exe
920	IEXPLORE.EXE
920	IEXPLORE.EXE
920	IEXPLORE.EXE
920	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
5060	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
1372	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 5060	3260	c2a0cefbb26e9103b4cc2eb0b7f7f828.exe	87
PID 3260 wrote to memory of 5060	3260	c2a0cefbb26e9103b4cc2eb0b7f7f828.exe	87
PID 3260 wrote to memory of 5060	3260	c2a0cefbb26e9103b4cc2eb0b7f7f828.exe	87
PID 5060 wrote to memory of 1372	5060	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe	88
PID 5060 wrote to memory of 1372	5060	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe	88
PID 5060 wrote to memory of 1372	5060	c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe	88
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 3268	1372	WaterMark.exe	89
PID 1372 wrote to memory of 4676	1372	WaterMark.exe	97
PID 1372 wrote to memory of 4676	1372	WaterMark.exe	97
PID 1372 wrote to memory of 3728	1372	WaterMark.exe	98
PID 1372 wrote to memory of 3728	1372	WaterMark.exe	98
PID 4676 wrote to memory of 920	4676	iexplore.exe	99
PID 4676 wrote to memory of 920	4676	iexplore.exe	99
PID 4676 wrote to memory of 920	4676	iexplore.exe	99

C:\Users\Admin\AppData\Local\Temp\c2a0cefbb26e9103b4cc2eb0b7f7f828.exe
"C:\Users\Admin\AppData\Local\Temp\c2a0cefbb26e9103b4cc2eb0b7f7f828.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Users\Admin\AppData\Local\Temp\c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
  C:\Users\Admin\AppData\Local\Temp\c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1372
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:3268
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 204
        5⤵
        Program crash
        
        PID:3584
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4676
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4676 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:920
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3268 -ip 3268
1⤵
PID:4540

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

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2ZG7H8ZF\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe

Path C:\Users\Admin\AppData\Local\Temp\c2a0cefbb26e9103b4cc2eb0b7f7f828mgr.exe
Size 96KB
SHA256 528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3
MD5 8c51fd9d6daa7b6137634de19a49452c
SHA1 db2a11cca434bacad2bf42adeecae38e99cf64f8
SHA512 b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837
SSDEEP 768:L06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9f:ZR0vxn3Pc0LCH9MtbvabUDzJYWu3Bg
MD5 SHA1 SHA512 SSDEEP

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memory/1372-38-0x0000000077152000-0x0000000077153000-memory.dmp

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memory/1372-40-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1372-39-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1372-30-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1372-37-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/1372-34-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1372-31-0x0000000000430000-0x0000000000431000-memory.dmp

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memory/1372-32-0x0000000077152000-0x0000000077153000-memory.dmp

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memory/1372-24-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/3260-6-0x00000000002C0000-0x00000000002EC000-memory.dmp

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memory/3260-0-0x00000000002C0000-0x00000000002EC000-memory.dmp

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memory/3268-36-0x00000000007B0000-0x00000000007B1000-memory.dmp

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memory/3268-35-0x00000000007D0000-0x00000000007D1000-memory.dmp

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memory/5060-17-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-15-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-14-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-13-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-8-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

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memory/5060-9-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/5060-5-0x0000000000400000-0x0000000000435000-memory.dmp

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