ramnit | b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db

General

Target

b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe
Size

90KB
MD5

38db8d9e754b64e98800285240126840
SHA1

63e342651e8213ac79ec86ab4678963f923dee8b
SHA256

b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db
SHA512

a3adf2520973d2a50fa89bd977b3cda890bf429ae6ddd67a2811ed6ea2c60807cf6cec824987fbf623af5a5152f63c13fe61457d473a1895465d35f426b045a4

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:

b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exeDesktopLayer.exe

pid process

4388 b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
4128 DesktopLayer.exe

pid	process
4388	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
4128	DesktopLayer.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1264-130-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1264-131-0x0000000000400000-0x0000000000423000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe	upx
behavioral2/memory/4388-134-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe	upx
behavioral2/memory/4388-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4128-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4128-142-0x0000000000590000-0x000000000059F000-memory.dmp	upx
behavioral2/memory/4128-143-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exeb36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
File created	C:\Program Files\AppPatch\NetSysT78.dll	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px471B.tmp	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.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-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362955979"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3A5AFD70-F4CA-11EC-A58B-4A14660C3739} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "181200002"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30968023"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "181200002"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30968023"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "380572364"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30968023"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe
4128	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3188 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3188 iexplore.exe
3188 iexplore.exe
3720 IEXPLORE.EXE
3720 IEXPLORE.EXE
3720 IEXPLORE.EXE
3720 IEXPLORE.EXE

pid	process
3188	iexplore.exe

pid	process
3188	iexplore.exe
3188	iexplore.exe
3720	IEXPLORE.EXE
3720	IEXPLORE.EXE
3720	IEXPLORE.EXE
3720	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exeb36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1264 wrote to memory of 4388	1264	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
PID 1264 wrote to memory of 4388	1264	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
PID 1264 wrote to memory of 4388	1264	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
PID 4388 wrote to memory of 4128	4388	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe	DesktopLayer.exe
PID 4388 wrote to memory of 4128	4388	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe	DesktopLayer.exe
PID 4388 wrote to memory of 4128	4388	b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe	DesktopLayer.exe
PID 4128 wrote to memory of 3188	4128	DesktopLayer.exe	iexplore.exe
PID 4128 wrote to memory of 3188	4128	DesktopLayer.exe	iexplore.exe
PID 3188 wrote to memory of 3720	3188	iexplore.exe	IEXPLORE.EXE
PID 3188 wrote to memory of 3720	3188	iexplore.exe	IEXPLORE.EXE
PID 3188 wrote to memory of 3720	3188	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe
"C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75db.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4388

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:4128

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:3188

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3188 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
b7666365f8180493bebbbf6389fc0f75

SHA1
824470bc1d6a000d2d63717ca64776db7441c96b

SHA256
ee6fb6badaf57514964e2b518cd62731a863e08bc71c69358870c65f4d813d6e

SHA512
0891abdf258d76894ec2e5441dd6c08c0b8b686e4d5e407c1244aaa243ed3662bf6d5e1b345099cd05bce87cabfd7cc96b954674e47939be28d35ecd08bbdeba

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

MD5
76ea9a46a27ccb14f0273a397762f19a

SHA1
bfc3d97ba8b34d49161ae45a345fc48ddd7ea096

SHA256
d926272dabba25808e7fa46d8a8aae5a21e0448c8e878ef5a5870c7d776a56f0

SHA512
b2207fc6dbb5807598a2bd341bae99e3c48791c45b1367096d37279de1cc0a9ec3091481fab1389e27ab1060c5bfc0893d1e35c1fc7014ef455a7533f75ea18f

Download Submit
C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\b36fae5d67aa43b1f559b54f562bfdb5fa52728ba59a0ef2799b4541b48b75dbSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1264-131-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1264-130-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4128-142-0x0000000000590000-0x000000000059F000-memory.dmp

Filesize
60KB

Download
memory/4128-138-0x0000000000000000-mapping.dmp

Download
memory/4128-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4128-143-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4388-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4388-135-0x00000000005B0000-0x00000000005BF000-memory.dmp

Filesize
60KB

Download
memory/4388-134-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4388-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads