ramnit | 45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1

General

Target

45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe
Size

460KB
MD5

c553db1d551dab2f852a64c188509485
SHA1

edb5eae1a3489e7c2fef813db355392d7ffa53a9
SHA256

45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1
SHA512

18a62df4f48afca127c6086a93bc97734d29db227eb064b5963b895d6fa0bb23f4f618ca302e218f106b5e09ab473e8546ad7bc9e458cb0295f9d5af18b73dcc

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

Processes:

45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exeDesktopLayer.exe

pid process

2088 45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
1028 DesktopLayer.exe

pid	process
2088	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
1028	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2088-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1028-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Drops file in Program Files directory 3 IoCs

Processes:

45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA6B4.tmp	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30970358"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "901811680"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970358"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "911186156"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "901811680"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970358"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363958909"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{613F2C5A-FDE9-11EC-AD90-764D0E3E719A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe
1028	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

880 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

880 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

880 iexplore.exe
880 iexplore.exe
4560 IEXPLORE.EXE
4560 IEXPLORE.EXE
4560 IEXPLORE.EXE
4560 IEXPLORE.EXE

pid	process
880	iexplore.exe

pid	process
880	iexplore.exe

pid	process
880	iexplore.exe
880	iexplore.exe
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE
4560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 4528 wrote to memory of 2088	4528	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
PID 4528 wrote to memory of 2088	4528	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
PID 4528 wrote to memory of 2088	4528	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
PID 2088 wrote to memory of 1028	2088	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe	DesktopLayer.exe
PID 2088 wrote to memory of 1028	2088	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe	DesktopLayer.exe
PID 2088 wrote to memory of 1028	2088	45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe	DesktopLayer.exe
PID 1028 wrote to memory of 880	1028	DesktopLayer.exe	iexplore.exe
PID 1028 wrote to memory of 880	1028	DesktopLayer.exe	iexplore.exe
PID 880 wrote to memory of 4560	880	iexplore.exe	IEXPLORE.EXE
PID 880 wrote to memory of 4560	880	iexplore.exe	IEXPLORE.EXE
PID 880 wrote to memory of 4560	880	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe
"C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4528

C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2088

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:1028

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:880

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:880 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
dc2534ae51bacd2b58aafd4dc7760ede

SHA1
9d7b667e5691637f454576525af4ec0a90c86815

SHA256
dd4cecb59bfdcd77b2a8f783e744a92f35f55464b28770a9ae4b1c7d88bfae03

SHA512
832d8f7e1a0e0400bc6774faca45aa1931994e343e4d3e5adb82f8448a59b3c301bee8238c911039d55624d4e5cea1bc99fd08dd80a87d4dbd574a0bb07ab08c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
fd7300844c05983e7ba7b61eed0369f8

SHA1
c3884f2ecfa95cf00c95a563cc05d1048a2f9ab5

SHA256
e768f44fe8dbbbba1df66d87dcc51ae7e1f0cacddc6de3a8d6a6a1b173436cd1

SHA512
de22eb1091897b8e36698166ae8e5f398a6637e68fb57f358edf1bdf90c518ff6d197f3dfd5ceba36eab168a9144f68917bd949997e0cd24a77bdffcae809f6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\45d61c423e5687cb497e4781a2fd8bbf113da59184e599e85c1fcbdafb7bc2d1Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1028-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1028-135-0x0000000000000000-mapping.dmp

Download
memory/2088-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2088-130-0x0000000000000000-mapping.dmp

Download
memory/4528-133-0x00000000021F0000-0x0000000002239000-memory.dmp

Filesize
292KB

Download
memory/4528-140-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4528-141-0x00000000021F0000-0x0000000002239000-memory.dmp

Filesize
292KB

Download
memory/4528-142-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4528-143-0x00000000021F0000-0x0000000002239000-memory.dmp

Filesize
292KB

Download
memory/4528-132-0x00000000021F0000-0x0000000002239000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads