ramnit | 68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52

General

Target

68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe
Size

276KB
MD5

4c3f7fc56abefd780c6674712e1a4110
SHA1

b5ff36205abb7c38497b84ccc4513e09efe5ffb0
SHA256

68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52
SHA512

4940b2808c36471a697db0ef04eb1d1258976986a27dc593ceb87ce8f4282e06fbbebb7fc040ada5710767a4313336595f6da3b85458f4268b79faa860e55329
SSDEEP

6144:HWrRmy5vkfYlPm3zKJbTP+W0aHwpALCwQsyOPLnH:HWU8g92TWW0WwOuwVyOTnH

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
4448	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe
3904	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000022de6-133.dat	upx
behavioral2/files/0x000b000000022de6-134.dat	upx
behavioral2/files/0x0008000000022e05-136.dat	upx
behavioral2/files/0x0008000000022e05-138.dat	upx
behavioral2/memory/4448-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3904-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6B32.tmp	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DF5860AA-42BA-11ED-B696-5EAE84113378} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371525565"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3019423926"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987975"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3019423926"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987975"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe
3904	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2140	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2140	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2140	iexplore.exe
2140	iexplore.exe
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 4448	1328	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe	82
PID 1328 wrote to memory of 4448	1328	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe	82
PID 1328 wrote to memory of 4448	1328	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe	82
PID 4448 wrote to memory of 3904	4448	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe	84
PID 4448 wrote to memory of 3904	4448	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe	84
PID 4448 wrote to memory of 3904	4448	68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe	84
PID 3904 wrote to memory of 2140	3904	DesktopLayer.exe	85
PID 3904 wrote to memory of 2140	3904	DesktopLayer.exe	85
PID 2140 wrote to memory of 4924	2140	iexplore.exe	86
PID 2140 wrote to memory of 4924	2140	iexplore.exe	86
PID 2140 wrote to memory of 4924	2140	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe
"C:\Users\Admin\AppData\Local\Temp\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe
  C:\Users\Admin\AppData\Local\Temp\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4448
- - 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:3904
  - - 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:2140
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2140 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4924

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\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\68e3cb9c1b31bcb73a2e7874487b2202051eca414a05cad1b9e3dd16fdc10f52Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1328-140-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1328-141-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3904-135-0x0000000000000000-mapping.dmp

Download
memory/3904-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4448-132-0x0000000000000000-mapping.dmp

Download
memory/4448-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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