ramnit | ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b

General

Target

ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe
Size

184KB
MD5

2d70b6626cc479910ded6630b877c660
SHA1

a6045102c84d4a7f600dcf9e17051979773c1a01
SHA256

ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b
SHA512

eaa59723552067a53cf34411d74ab157bdea1a8ff8ce607a24d503f5278eed4afd828ca1eeb689dc675c64980cbaa82ed1fd105875980698c35cf1deb0fada12
SSDEEP

3072:F6pRyhovwPDrOJmco53S3jRvm9B1xI09d/F0K:F6qPDKJfzRvc0en

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

pid	Process
2836	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe
4208	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000022e16-133.dat	upx
behavioral2/memory/2836-135-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0009000000022e16-136.dat	upx
behavioral2/files/0x0007000000022e1e-138.dat	upx
behavioral2/memory/2836-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000022e1e-139.dat	upx
behavioral2/memory/4208-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px66CD.tmp	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe

Modifies Internet Explorer settings 1 TTPs 20 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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
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
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30997916"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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
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\LastUpdateLowDateTime = "4285161728"	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 = "4285161728"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30997916"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375192225"	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\{2ADF7625-6990-11ED-B8D8-6683CF8C50C7} = "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
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\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe
4208	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1820	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1820	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1820	iexplore.exe
1820	iexplore.exe
5116	IEXPLORE.EXE
5116	IEXPLORE.EXE
5116	IEXPLORE.EXE
5116	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2836	756	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe	85
PID 756 wrote to memory of 2836	756	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe	85
PID 756 wrote to memory of 2836	756	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe	85
PID 2836 wrote to memory of 4208	2836	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe	86
PID 2836 wrote to memory of 4208	2836	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe	86
PID 2836 wrote to memory of 4208	2836	ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe	86
PID 4208 wrote to memory of 1820	4208	DesktopLayer.exe	87
PID 4208 wrote to memory of 1820	4208	DesktopLayer.exe	87
PID 1820 wrote to memory of 5116	1820	iexplore.exe	88
PID 1820 wrote to memory of 5116	1820	iexplore.exe	88
PID 1820 wrote to memory of 5116	1820	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe
"C:\Users\Admin\AppData\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe
  C:\Users\Admin\AppData\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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:4208
  - - 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:1820
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1820 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5116

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

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\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ae201d17cf178ce6bb7bb1ae8a978db16682a430484b7a5a556e261e25dc8c8bSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/756-134-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/756-142-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2836-135-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2836-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4208-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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