ramnit | 2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93

General

Target

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe
Size

856KB
MD5

a8a45ade1a5abf12a63ac63eb61951c7
SHA1

4ce2335b92f5e6a7b57c77977fb7b9c1f82ab015
SHA256

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93
SHA512

d8289e1cb45db72933fb8ec289cbafecd15b0162eeedce3c1fdf51eb1d42165be5bfac877c4e95a18a5a59107a3679a26fa860b80d40b232252129db4356fc35

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:

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exeDesktopLayer.exe

pid process

2652 2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
1144 DesktopLayer.exe

pid	process
2652	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
1144	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\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe	upx
behavioral2/memory/2652-136-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1144-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Drops file in Program Files directory 3 IoCs

Processes:

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px860D.tmp	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
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\LastTTLLowDateTime = "1251635200"	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\Recovery\AdminActive\{3713380A-F18F-11EC-AD90-7E149D876A3C} = "0"	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\LastUpdateHighDateTime = "30967196"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30967196"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30967196"	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	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\Recovery\PendingRecovery	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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "195849779"	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 (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362600772"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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
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\LastUpdateLowDateTime = "195849779"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "204286781"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe
1144	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4396 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4396 iexplore.exe

pid	process
4396	iexplore.exe

pid	process
4396	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exeiexplore.exeIEXPLORE.EXE

pid	process
3068	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe
3068	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe
4396	iexplore.exe
4396	iexplore.exe
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3068 wrote to memory of 2652	3068	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
PID 3068 wrote to memory of 2652	3068	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
PID 3068 wrote to memory of 2652	3068	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
PID 2652 wrote to memory of 1144	2652	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe	DesktopLayer.exe
PID 2652 wrote to memory of 1144	2652	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe	DesktopLayer.exe
PID 2652 wrote to memory of 1144	2652	2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe	DesktopLayer.exe
PID 1144 wrote to memory of 4396	1144	DesktopLayer.exe	iexplore.exe
PID 1144 wrote to memory of 4396	1144	DesktopLayer.exe	iexplore.exe
PID 4396 wrote to memory of 4636	4396	iexplore.exe	IEXPLORE.EXE
PID 4396 wrote to memory of 4636	4396	iexplore.exe	IEXPLORE.EXE
PID 4396 wrote to memory of 4636	4396	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe
"C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068

C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2652

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:1144

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4396 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4636

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
e1a9f97c20e5bb3ca665aafe31762569

SHA1
9570618363a96350f30f6d5604d782aa7ed76736

SHA256
715833e654c6d6c90a9d21d486af6118b02a567bffaf6f67810fbdc9c4499bfe

SHA512
3596f589474158c14d942d0fb766ab5c5bcff8c0765968f22c42135db0aae3af9a44c63da231a7f249930c9d9a6cff6bbdd12b95d23047aad6911355d2e15003

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
434B

MD5
02e13b97c972d5e1963c6cd8070f090b

SHA1
7b69dd7e986ab685e78463af869fc319634b51d6

SHA256
58c5d533f376c2236ed02fc1539517d8b505a58d0d099731472bb1e608920d64

SHA512
78fd394ee8a76a8f0801eb270bb41d6f36018b7f98c8ab8fdacfc03f1fe83a4092c3b35095979972500603e848cd443e4c83a1df941d721908b0ed0b4635e5c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2fe64bf2d597c2885a6137e6e28cb27f1d8bbe00d705d446aff1ab7c3f7b5e93Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1144-134-0x0000000000000000-mapping.dmp

Download
memory/1144-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-131-0x0000000000000000-mapping.dmp

Download
memory/2652-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3068-130-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3068-139-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads