ramnit | 21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e

General

Target

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
Size

2.2MB
MD5

dd5383741cdcc478c4d456b7b97a7071
SHA1

c2e6d0d75b411cf049e2460d178d0b7d52db542e
SHA256

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e
SHA512

494c38097c0f2b9aa8d0a2cca8bd31d665c1542262b39c53ea16eb4d544a1c4393d6d23e7e6844fedde24d782c74646d4c96e8f3cb081cea50170c7fed325f34
SSDEEP

49152:WkyfyD2phLtaAGcoaNKIayOzRk2c4HthamUYw7rfo8bhJGDU:oDLQA8AONk18haLL3VVJQU

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:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exeDesktopLayer.exe

pid process

4848 21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
176 DesktopLayer.exe

pid	process
4848	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
176	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\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4848-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/176-142-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 4 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe

pid	process
1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe

Drops file in Program Files directory 3 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px2D2A.tmp	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2682293683"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998436"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BD7530BE-6B97-11ED-B8D8-D2F35ABB710A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998436"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375415400"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2682293683"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe
176	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2916 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2916 iexplore.exe
2916 iexplore.exe
1340 IEXPLORE.EXE
1340 IEXPLORE.EXE
1340 IEXPLORE.EXE
1340 IEXPLORE.EXE

pid	process
2916	iexplore.exe

pid	process
2916	iexplore.exe
2916	iexplore.exe
1340	IEXPLORE.EXE
1340	IEXPLORE.EXE
1340	IEXPLORE.EXE
1340	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1768 wrote to memory of 4848	1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1768 wrote to memory of 4848	1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 1768 wrote to memory of 4848	1768	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
PID 4848 wrote to memory of 176	4848	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 4848 wrote to memory of 176	4848	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 4848 wrote to memory of 176	4848	21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe	DesktopLayer.exe
PID 176 wrote to memory of 2916	176	DesktopLayer.exe	iexplore.exe
PID 176 wrote to memory of 2916	176	DesktopLayer.exe	iexplore.exe
PID 2916 wrote to memory of 1340	2916	iexplore.exe	IEXPLORE.EXE
PID 2916 wrote to memory of 1340	2916	iexplore.exe	IEXPLORE.EXE
PID 2916 wrote to memory of 1340	2916	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe
"C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4848

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:176

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:2916

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2916 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

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\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\21501fface726967d85b3556eecb4496b5d61caa3129de8e7ac6e92af46f6d1eSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn274F.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn274F.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn274F.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn274F.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/176-138-0x0000000000000000-mapping.dmp

Download
memory/176-142-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1768-133-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1768-145-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/4848-134-0x0000000000000000-mapping.dmp

Download
memory/4848-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads