ramnit | 357ccf22db104e18215de1ee6e16817880594f488705b97f54d0b0599b2af29c

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 13:22

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General

Target
e1c448b6b98a231ca9a8529f82eb702d.exe
Size 166KB
Sample240327-ql7ypada24
SHA256 357ccf22db104e18215de1ee6e16817880594f488705b97f54d0b0599b2af29c
MD5 e1c448b6b98a231ca9a8529f82eb702d
SHA1 8d57de92ce60fbca562fef596006c7aa28885ed7
SHA512 f13bb4ae08353308e47e330647ab7a2d1675ad1b07588dea7b8cba98777cdabf2c227f3c70d74793408a8d00993c265661f7f51705020aee65d5c4995858e3ee
SSDEEP 3072:NdKFOoL16A4gVr9kYaQBqaFM2oVhyAn1+p:7KF/LAFgVrwwM2uf1W
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
2544	e1c448b6b98a231ca9a8529f82eb702dmgr.exe
3112	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2544-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3112-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3112-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3112-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC20.tmp	e1c448b6b98a231ca9a8529f82eb702dmgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	e1c448b6b98a231ca9a8529f82eb702dmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	e1c448b6b98a231ca9a8529f82eb702dmgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	3368	WerFault.exe	102

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3720592578"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3720592578"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31096905"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31096905"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3766062106"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31096905"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0925BF9D-EC3D-11EE-B9F7-5E2396FD2BC6} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "418310718"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe
3112	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3112	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2864	iexplore.exe
2864	iexplore.exe
4596	IEXPLORE.EXE
4596	IEXPLORE.EXE
4596	IEXPLORE.EXE
4596	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2544	e1c448b6b98a231ca9a8529f82eb702dmgr.exe
3112	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2544	220	e1c448b6b98a231ca9a8529f82eb702d.exe	100
PID 220 wrote to memory of 2544	220	e1c448b6b98a231ca9a8529f82eb702d.exe	100
PID 220 wrote to memory of 2544	220	e1c448b6b98a231ca9a8529f82eb702d.exe	100
PID 2544 wrote to memory of 3112	2544	e1c448b6b98a231ca9a8529f82eb702dmgr.exe	101
PID 2544 wrote to memory of 3112	2544	e1c448b6b98a231ca9a8529f82eb702dmgr.exe	101
PID 2544 wrote to memory of 3112	2544	e1c448b6b98a231ca9a8529f82eb702dmgr.exe	101
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 3368	3112	WaterMark.exe	102
PID 3112 wrote to memory of 2408	3112	WaterMark.exe	106
PID 3112 wrote to memory of 2408	3112	WaterMark.exe	106
PID 3112 wrote to memory of 2864	3112	WaterMark.exe	107
PID 3112 wrote to memory of 2864	3112	WaterMark.exe	107
PID 2864 wrote to memory of 4596	2864	iexplore.exe	108
PID 2864 wrote to memory of 4596	2864	iexplore.exe	108
PID 2864 wrote to memory of 4596	2864	iexplore.exe	108

C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe
"C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
  C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:3112
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:3368
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 208
        5⤵
        Program crash
        
        PID:4460
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:2408
  - - 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:2864
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2864 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3368 -ip 3368
1⤵
PID:792

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:4120

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\8ZO46T3J\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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e1c448b6b98a231ca9a8529f82eb702dmgr.exe

Path C:\Users\Admin\AppData\Local\Temp\e1c448b6b98a231ca9a8529f82eb702dmgr.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/220-9-0x00000000001C0000-0x00000000001EC000-memory.dmp

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memory/220-0-0x00000000001C0000-0x00000000001EC000-memory.dmp

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memory/2544-17-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-7-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/2544-12-0x00000000008B0000-0x00000000008B1000-memory.dmp

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memory/2544-13-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-14-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-11-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-15-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-6-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/2544-18-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2544-5-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/3112-31-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3112-33-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/3112-34-0x0000000077032000-0x0000000077033000-memory.dmp

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memory/3112-39-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/3112-38-0x0000000077032000-0x0000000077033000-memory.dmp

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memory/3112-40-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3112-41-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/3112-24-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/3368-36-0x0000000000670000-0x0000000000671000-memory.dmp

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memory/3368-37-0x0000000000650000-0x0000000000651000-memory.dmp

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