ramnit | 2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28

General

Target

2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe
Size

477KB
MD5

43cf0139c044da09f7e3d0028e5a8040
SHA1

b3b9fa1474fbca2bc3e105c2dda4d2e5d3daa099
SHA256

2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28
SHA512

66363288d7c663e8c5a6f0a8f16401ce847f8834db7f06764f7e8c517c2d01725dafe51d224bbf2e6b1967b1d12c1d81a8cdd4f9160c850aef424430d4b8b7a3
SSDEEP

6144:KcXH5OIeQrVpJzvkwprLE7dGKVBAbOKGIy/5h8xOBT63WB99+4:KcJOkrV3XnZKVBA6KGISDic99

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:

2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exeDesktopLayer.exe

pid process

1936 2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
3448 DesktopLayer.exe

pid	process
1936	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
3448	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\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1936-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/3448-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC3A3.tmp	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998399"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F06E2903-6B72-11ED-A0EE-E289BC6C3020} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376002668"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3308877042"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3325127798"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998399"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998399"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3308877042"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe
3448	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

5112 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

5112 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

5112 iexplore.exe
5112 iexplore.exe
5080 IEXPLORE.EXE
5080 IEXPLORE.EXE
5080 IEXPLORE.EXE
5080 IEXPLORE.EXE

pid	process
5112	iexplore.exe

pid	process
5112	iexplore.exe

pid	process
5112	iexplore.exe
5112	iexplore.exe
5080	IEXPLORE.EXE
5080	IEXPLORE.EXE
5080	IEXPLORE.EXE
5080	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1808 wrote to memory of 1936	1808	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
PID 1808 wrote to memory of 1936	1808	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
PID 1808 wrote to memory of 1936	1808	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
PID 1936 wrote to memory of 3448	1936	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe	DesktopLayer.exe
PID 1936 wrote to memory of 3448	1936	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe	DesktopLayer.exe
PID 1936 wrote to memory of 3448	1936	2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe	DesktopLayer.exe
PID 3448 wrote to memory of 5112	3448	DesktopLayer.exe	iexplore.exe
PID 3448 wrote to memory of 5112	3448	DesktopLayer.exe	iexplore.exe
PID 5112 wrote to memory of 5080	5112	iexplore.exe	IEXPLORE.EXE
PID 5112 wrote to memory of 5080	5112	iexplore.exe	IEXPLORE.EXE
PID 5112 wrote to memory of 5080	5112	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe
"C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1936

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:3448

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:5112

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5112 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5080

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
e32d02ce684c01ef3af05fae9066160e

SHA1
29c7a6e8ed553ac2765634265d1db041d6d422ec

SHA256
b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71

SHA512
e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148

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

MD5
150f7738b9ac18f190def529a86b824e

SHA1
95eecf84009a0377a336ac71780bbc8ec6d1249e

SHA256
a4dfd82d9ee64fbcd417a22675732bda1b60e01fe944784612e37dcba63bad6b

SHA512
de7a278fc88bd92402d10324456ed06272fa0fca8a09f26c35bae977c47e9826b8abe6c5ca7bc0b25057f7ebaed1a8e4b03330a5eddcda5fce1b8a7a5c66a058

Download Submit
C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1808-135-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1936-132-0x0000000000000000-mapping.dmp

Download
memory/1936-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3448-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3448-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads