ramnit | 13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 09:35

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General

Target
13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe
Size 3.0MB
Sample240619-lkpcqsxhmf
SHA256 13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50
MD5 498c1007c265797028fbfe0eb666bfb7
SHA1 2b44bb83d7d69dacc44a19766ec4a6b31104f1e2
SHA512 02c7bd7476524cc0c5d125c999a1686ea52b65ba12bd8127f4744366bbfc506f284929fedbefb39fd618d6862673ea25135df319e7a717f15e5ff95ffa43ad25
SSDEEP 49152:e9ui09kLjcRox8MOmPEb0Bj+tTvlxo6RAtnudnVXLFqqB5PkUTEG/oj9ghi1Rebn:e9Y9kL6ox8MOmMb0F+tTY64nudB7BBkc
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
3904	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
3656	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023255-3.dat	upx
behavioral2/memory/3904-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3904-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3656-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3656-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3656-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3656-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px80A.tmp	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe

Modifies Internet Explorer settings 1 TTPs 30 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
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\Recovery\AdminActive\{54A21763-2E1F-11EF-B9F7-4A48D699C5C8} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31113772"	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31113772"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "693941316"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31113772"	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 (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	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 = "425554737"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "693785405"	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 (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
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\PendingRecovery	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "752378469"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\VersionManager\LastTTLLowDateTime = "1251635200"	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\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe
3656	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2104	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe
2104	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe
1512	iexplore.exe
1512	iexplore.exe
4808	IEXPLORE.EXE
4808	IEXPLORE.EXE
4808	IEXPLORE.EXE
4808	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 3904	2104	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe	90
PID 2104 wrote to memory of 3904	2104	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe	90
PID 2104 wrote to memory of 3904	2104	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe	90
PID 3904 wrote to memory of 3656	3904	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe	91
PID 3904 wrote to memory of 3656	3904	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe	91
PID 3904 wrote to memory of 3656	3904	13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe	91
PID 3656 wrote to memory of 1512	3656	DesktopLayer.exe	92
PID 3656 wrote to memory of 1512	3656	DesktopLayer.exe	92
PID 1512 wrote to memory of 4808	1512	iexplore.exe	93
PID 1512 wrote to memory of 4808	1512	iexplore.exe	93
PID 1512 wrote to memory of 4808	1512	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe
"C:\Users\Admin\AppData\Local\Temp\13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
  C:\Users\Admin\AppData\Local\Temp\13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3904
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3656
  - - 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:1512
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1512 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4808

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=3944 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3404

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

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 82399fde05cd1bdf64275549b8b20894be93407423723db4fc30ef818c1469ad
MD5 13654191ae0d3bc160ae35a24e4d8bea
SHA1 c0defddd5bcde0b9a6eb68f76a28a879cf0367fd
SHA512 3d73676b4c6ad68b54555596ce02c670658e125eebbf9fdf40af4e2476552ad863e6af47677b56bdb067bcac81e1839327132b37d34fef683002e2a0cc75d075
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 1cc8ab00d0fd6497c18eb2aa3c51afd5c3443e793da155f14abbb114e7110f8e
MD5 0d8c6072daf77c710a637509094136e7
SHA1 f0f505be16d8d4de30c7f058b5d4fedb098f8e9e
SHA512 5abaa20cabd0ae134a5d8e85499a260fa41a5d4126ff86802efc401f9e4ff7dfc32e5fdf7d71054f6007e6575381fe7c0fd00a3852bf0eee77523bd737882957
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\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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13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\13a5bd09758375e33aa6c27ecfa9462e61a967b7fafc086ad1f4a5e788797d50Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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memory/2104-0-0x0000000000FF0000-0x00000000012F0000-memory.dmp

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memory/2104-20-0x0000000000FF0000-0x00000000012F0000-memory.dmp

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memory/2104-19-0x0000000000FF0000-0x00000000012F0000-memory.dmp

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memory/3656-18-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3656-16-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3656-15-0x0000000000560000-0x0000000000561000-memory.dmp

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memory/3656-12-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3656-14-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3904-6-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3904-5-0x0000000000560000-0x000000000056F000-memory.dmp

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memory/3904-4-0x0000000000400000-0x000000000042E000-memory.dmp

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