ramnit | 1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a

Analysis

max time kernel
90s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 12:23

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General

Target

1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe
Size

600KB
MD5

0a6f30a2e3645a4d0280e0000ac7e6f0
SHA1

b8ca94ad17f8cd374ff45840a0eb332f8132f7f1
SHA256

1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a
SHA512

90a748cdabeee491103a6be28a840898b3ec9748e5bc3ee3271f940c3ddaba72a2f6f81baf6d25d6b8643ffae62b2d4187eceabef42a5f1e89105fec57f2dca7
SSDEEP

12288:G12gh0F8qf1YHb5MeC5PHpGsxdJXu+BwgtttQonAGrO0bP6D:T8KWM5PH42dBurg3t9rXi

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
4760	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe
2972	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4896-132-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/files/0x0003000000022d9c-134.dat	upx
behavioral2/files/0x0003000000022d9c-135.dat	upx
behavioral2/memory/4760-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0005000000022dc1-139.dat	upx
behavioral2/memory/2972-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0005000000022dc1-137.dat	upx
behavioral2/memory/4896-141-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/4896-142-0x0000000000400000-0x000000000051C000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8F16.tmp	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989723"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989723"	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\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989723"	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 = "372276228"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A54D58DB-498E-11ED-A0EE-C2D2A1265889} = "0"	iexplore.exe
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\LastUpdateLowDateTime = "2057341093"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2057341093"	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\LastCheckForUpdateLowDateTime = "2193747237"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\Recovery\AdminActive	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 (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\VersionManager\LastUpdateHighDateTime = "30989723"	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\Recovery\PendingRecovery\AdminActive = "0"	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\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2193747237"	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 8 IoCs

pid	Process
4896	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe
4896	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe
1576	iexplore.exe
1576	iexplore.exe
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE
1140	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4760	4896	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe	83
PID 4896 wrote to memory of 4760	4896	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe	83
PID 4896 wrote to memory of 4760	4896	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe	83
PID 4760 wrote to memory of 2972	4760	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe	84
PID 4760 wrote to memory of 2972	4760	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe	84
PID 4760 wrote to memory of 2972	4760	1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe	84
PID 2972 wrote to memory of 1576	2972	DesktopLayer.exe	85
PID 2972 wrote to memory of 1576	2972	DesktopLayer.exe	85
PID 1576 wrote to memory of 1140	1576	iexplore.exe	86
PID 1576 wrote to memory of 1140	1576	iexplore.exe	86
PID 1576 wrote to memory of 1140	1576	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe
"C:\Users\Admin\AppData\Local\Temp\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe
  C:\Users\Admin\AppData\Local\Temp\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4760
- - 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:1140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1c6b97c5b54645e88e62685389d5bf88f8c4e2d0db8b1cc6ece9d3ab3263125aSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/2972-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4760-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4896-132-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/4896-141-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/4896-142-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download