ramnit | 4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6

General

Target

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe
Size

482KB
MD5

03b0ffda898e3430a3c8de526428817a
SHA1

970b5dd7cc463d663d91749825af7e474fe55eab
SHA256

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6
SHA512

142ea5b3bcdbf8c375d71f5a6c4ab1fc710540547cb9922bdc29fd9d597cd171aea920ef1f6b953ded08c08db4a0914739a19704d9316e9dd04860640fd1698c

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:

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exeDesktopLayer.exe

pid process

1664 4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
2124 DesktopLayer.exe

pid	process
1664	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
2124	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe	upx
behavioral2/memory/1664-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2124-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2124-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px9E67.tmp	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.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\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\Recovery\AdminActive\{CEFAB9EA-018E-11ED-AD90-7A7C173711D6} = "0"	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\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\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2741413431"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30971291"	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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\DomainSuggestion\NextUpdateDate = "364359814"	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 = "30971291"	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
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\VersionManager\LastUpdateLowDateTime = "2741413431"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30971291"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2752038449"	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
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\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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe
2124	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

856 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

856 iexplore.exe

pid	process
856	iexplore.exe

pid	process
856	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exeiexplore.exeIEXPLORE.EXE

pid	process
2540	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe
856	iexplore.exe
856	iexplore.exe
3512	IEXPLORE.EXE
3512	IEXPLORE.EXE
3512	IEXPLORE.EXE
3512	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2540 wrote to memory of 1664	2540	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
PID 2540 wrote to memory of 1664	2540	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
PID 2540 wrote to memory of 1664	2540	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
PID 1664 wrote to memory of 2124	1664	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe	DesktopLayer.exe
PID 1664 wrote to memory of 2124	1664	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe	DesktopLayer.exe
PID 1664 wrote to memory of 2124	1664	4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe	DesktopLayer.exe
PID 2124 wrote to memory of 856	2124	DesktopLayer.exe	iexplore.exe
PID 2124 wrote to memory of 856	2124	DesktopLayer.exe	iexplore.exe
PID 856 wrote to memory of 3512	856	iexplore.exe	IEXPLORE.EXE
PID 856 wrote to memory of 3512	856	iexplore.exe	IEXPLORE.EXE
PID 856 wrote to memory of 3512	856	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe
"C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540

C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1664

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:2124

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:856

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:856 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3512

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

Replay Monitor

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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
315723a72dc7441419a79de4b8dc8304

SHA1
805d789ebc5aca076a2d626b397d493ea885e933

SHA256
05fcdadbc388aa01e52aa463000064a84ce7624ae86c01e2e50077e8bcfe9524

SHA512
9163ba212e6d7c823facd68d77ad065148642c0892e336a62554826461cf32d994f8e5b3290915f4053e882e2fba909d9dd8bc49f74e5123840c0fb5834a8aed

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

MD5
765d510c5d62bf1b0338677ba72b5a1e

SHA1
43a87bb725d4da551ccd5cb6303e816399f6200a

SHA256
4fec1a45f66477730642f9d86ac75342e7568f8208a8e13e85cc2dc3e304b263

SHA512
e3135c4bcee9986f118a59f7e56919435d03f37038072d21fe024b83eda6561f2b663c9f67a21bb2b9fe84a7726579e22685c23721ac7786d4cb8cc50d8a875a

Download Submit
C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\4d7f3870071e450590b8ab583d40cf04a426d632caf22dbb2fa1d85189edf8d6Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1664-130-0x0000000000000000-mapping.dmp

Download
memory/1664-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2124-138-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/2124-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2124-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2124-134-0x0000000000000000-mapping.dmp

Download
memory/2540-141-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2540-144-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2540-145-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2540-146-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2540-147-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2540-131-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads