ramnit | ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b

General

Target

ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe
Size

121KB
MD5

043b8a44fa2a972b8d84cb2bebf18ba0
SHA1

621bbcd7faaa2d34ad1130ed7d2a1514a0145512
SHA256

ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b
SHA512

b053c700f1231f66da002cf96141e567376512f220db3eb114d82f4be3c8baa82e1a58a0fc96297dfd62cbdf09d0370c669b3940f788f2c7589819da061a4b5b
SSDEEP

3072:gMNWBmLwLxkMxwl5BhxxowM3etp3hx9a7ZwKQ5fcjBBg6:DWBmELxkMevGetp3KwKQ56g

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
4876	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe
2972	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0003000000022d9c-133.dat	upx
behavioral2/files/0x0003000000022d9c-134.dat	upx
behavioral2/files/0x0004000000022d9f-136.dat	upx
behavioral2/memory/4876-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0004000000022d9f-138.dat	upx
behavioral2/memory/2972-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9B0C.tmp	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	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
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\LastCheckForUpdateHighDateTime = "30989719"	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\LastUpdateLowDateTime = "3890406252"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989719"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3890406252"	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\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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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 (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0A58D5C6-498B-11ED-A0EE-C2D2A1265889} = "0"	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\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372274700"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe
2972	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1576	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1576	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1576	iexplore.exe
1576	iexplore.exe
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4876	4844	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe	82
PID 4844 wrote to memory of 4876	4844	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe	82
PID 4844 wrote to memory of 4876	4844	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe	82
PID 4876 wrote to memory of 2972	4876	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe	83
PID 4876 wrote to memory of 2972	4876	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe	83
PID 4876 wrote to memory of 2972	4876	ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe	83
PID 2972 wrote to memory of 1576	2972	DesktopLayer.exe	84
PID 2972 wrote to memory of 1576	2972	DesktopLayer.exe	84
PID 1576 wrote to memory of 4636	1576	iexplore.exe	85
PID 1576 wrote to memory of 4636	1576	iexplore.exe	85
PID 1576 wrote to memory of 4636	1576	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe
"C:\Users\Admin\AppData\Local\Temp\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Local\Temp\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe
  C:\Users\Admin\AppData\Local\Temp\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4876
- - 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:2972
  - - 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:1576
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4636

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\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ba4502316a92b8aec1057328147d604179664eec7c8802bd9b1ebda6e637909bSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2972-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4844-140-0x0000000000B20000-0x0000000000B78000-memory.dmp

Filesize
352KB

Download
memory/4844-141-0x0000000000B20000-0x0000000000B78000-memory.dmp

Filesize
352KB

Download
memory/4876-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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