ramnit | 1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779

General

Target

1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe
Size

741KB
MD5

1d807459a0a1aaf8c7e20df3eff4cfc0
SHA1

a4fe4e620eac43ca3972b22ff95b7764441e4f64
SHA256

1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779
SHA512

45e5c91416c7ef8ed6298b992ec3ffe885524cb64f86c4177d8ed5f3d2f891ac98f01fc5cc8c6fdcef645569fed5d3e997c069a36616360d38fe425b925dcf78
SSDEEP

12288:/Sh8t5A1v5WYDjHo4osEl2BaUv/YyfydhhF5SDTyp2JURF8Ql:/Sh8PmWMH+gvwyKv5UTHURp

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
1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe
1556	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012326-55.dat	upx
behavioral1/files/0x000a000000012326-57.dat	upx
behavioral1/files/0x000a000000012326-59.dat	upx
behavioral1/files/0x000800000001267a-60.dat	upx
behavioral1/memory/1648-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000800000001267a-62.dat	upx
behavioral1/files/0x000800000001267a-65.dat	upx
behavioral1/memory/1556-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe
1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px42DB.tmp	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{743232E1-499F-11ED-8D6F-660C31E8D015} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372283468"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1556	DesktopLayer.exe
1556	DesktopLayer.exe
1556	DesktopLayer.exe
1556	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1580	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe
1580	iexplore.exe
1580	iexplore.exe
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE
1488	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1648	1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe	28
PID 1376 wrote to memory of 1648	1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe	28
PID 1376 wrote to memory of 1648	1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe	28
PID 1376 wrote to memory of 1648	1376	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe	28
PID 1648 wrote to memory of 1556	1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe	29
PID 1648 wrote to memory of 1556	1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe	29
PID 1648 wrote to memory of 1556	1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe	29
PID 1648 wrote to memory of 1556	1648	1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe	29
PID 1556 wrote to memory of 1580	1556	DesktopLayer.exe	30
PID 1556 wrote to memory of 1580	1556	DesktopLayer.exe	30
PID 1556 wrote to memory of 1580	1556	DesktopLayer.exe	30
PID 1556 wrote to memory of 1580	1556	DesktopLayer.exe	30
PID 1580 wrote to memory of 1488	1580	iexplore.exe	32
PID 1580 wrote to memory of 1488	1580	iexplore.exe	32
PID 1580 wrote to memory of 1488	1580	iexplore.exe	32
PID 1580 wrote to memory of 1488	1580	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe
"C:\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe
  C:\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1648
- - 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:1556
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1580
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1580 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1488

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\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\V1LLE2O4.txt

Filesize
608B

MD5
a83d941de53344ca73717ad1ded48e67

SHA1
99ea2d29a56991112ef0a9c508bb0ef9e63b341e

SHA256
e6cf7cdd0c8a91e21c519227192db1f0292e27514453fdedd3b52c6f67fad5b5

SHA512
ad08c8d46f8d23742a4eadb4bddc5fb33a47a74c6369de09a794540cf4a9cc321f70a4aafa3dca804911e39b780eed68acce97cd25344d8999185f813773650c

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\1f0cabeec4ceda966151d6f6f008e6efa6973b651b3247d25e2023e874dc3779Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1376-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1376-67-0x0000000001000000-0x00000000010C2000-memory.dmp

Filesize
776KB

Download
memory/1556-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1648-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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