ramnit | a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28

General

Target

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe
Size

372KB
MD5

32d6092c9accf6e3ff855209f34cff3c
SHA1

eb052743df8bde8b675c652a07d96718b8db7d05
SHA256

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28
SHA512

97f931dedb5bba7f3ec69942b7fb3b02cb71dcd081b989adbd50901350f9d274d3ae189f508dba26e3c3aecfba43ed22cf1159ecd742a5d75fd6d002dbb9b40b

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:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exeDesktopLayer.exe

pid process

2672 a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
1640 DesktopLayer.exe

pid	process
2672	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
1640	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2672-123-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px7EF9.tmp	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe

Modifies Internet Explorer settings 1 TTPs 17 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327404200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327404257"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327404369"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0060C6FE-B6EF-11EB-B2DB-E2597A2395CA} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

776 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

776 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

776 iexplore.exe
776 iexplore.exe
4032 IEXPLORE.EXE
4032 IEXPLORE.EXE
4032 IEXPLORE.EXE
4032 IEXPLORE.EXE

pid	process
776	iexplore.exe

pid	process
776	iexplore.exe

pid	process
776	iexplore.exe
776	iexplore.exe
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE
4032	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exea4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 624 wrote to memory of 2672	624	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 624 wrote to memory of 2672	624	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 624 wrote to memory of 2672	624	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
PID 2672 wrote to memory of 1640	2672	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 2672 wrote to memory of 1640	2672	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 2672 wrote to memory of 1640	2672	a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe	DesktopLayer.exe
PID 1640 wrote to memory of 776	1640	DesktopLayer.exe	iexplore.exe
PID 1640 wrote to memory of 776	1640	DesktopLayer.exe	iexplore.exe
PID 776 wrote to memory of 4032	776	iexplore.exe	IEXPLORE.EXE
PID 776 wrote to memory of 4032	776	iexplore.exe	IEXPLORE.EXE
PID 776 wrote to memory of 4032	776	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe
"C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2672

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:1640

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:776

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:776 CREDAT:82945 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4032

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
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\a4f7f8fc7995f49b688114a83c5208798a085a2611330b25255ddb6a82969c28Srv.exe
MD5
2a591a91440acc2cfabfd0221cfe1378

SHA1
add23a4e51dc5649984f56c235c48382f5c4f235

SHA256
2f37132fabb06650873ad3bd0b15d2c13596fc7be401c0ca05b443c9a227a44c

SHA512
3018caf86d187c14256deb92407157daf116720623c9ecd7d153c8456d4d1f9ec9b7a88db6db9a02f06367301af5d6c3d30e62f8ad04657fd651d4221a9287ac

Download Submit
memory/776-121-0x0000000000000000-mapping.dmp

Download
memory/776-126-0x00007FFCBA850000-0x00007FFCBA8BB000-memory.dmp

Filesize
428KB

Download
memory/1640-117-0x0000000000000000-mapping.dmp

Download
memory/1640-120-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2672-114-0x0000000000000000-mapping.dmp

Download
memory/2672-123-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2672-122-0x00000000001F0000-0x00000000001FF000-memory.dmp

Filesize
60KB

Download
memory/4032-127-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads