ramnit | 9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe

Analysis

max time kernel
109s
max time network
166s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:27

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General

Target

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe
Size

13.8MB
MD5

c0df6ba66d5fa3ee9cd3dc26d9aea9c8
SHA1

dbb0939cfd9969ce8201b34e626a8770af0b447d
SHA256

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe
SHA512

798b747aacb8a3a92b193b7c6124ac29703d43b1f4233ad7513ef05702bde2f3cd3bca9cc94c6120d4c798c36b094a35b09b072654c20ed5b97d2e7dc7f8a46f
SSDEEP

393216:dQzkLLLWYLya41uaKS+dxw1qvn4RbLfvA9yt+KUsrSq:dQzk7ea4UpCqobLixKUsOq

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

Processes:

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exeDesktopLayer.exe

pid process

1972 9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
1208 DesktopLayer.exe

pid	process
1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
1208	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1972-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1208-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

pid	process
1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe
1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe
1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe
1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe

Drops file in Program Files directory 3 IoCs

Processes:

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3ED5.tmp	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
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\Main	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\Main\CompatibilityFlags = "0"	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\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376018931"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C9E8AF01-6B98-11ED-9172-7ADD0904B6AC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	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
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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	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\InternetRegistry	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\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1208 DesktopLayer.exe
1208 DesktopLayer.exe
1208 DesktopLayer.exe
1208 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1348 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1348 iexplore.exe
1348 iexplore.exe
580 IEXPLORE.EXE
580 IEXPLORE.EXE
580 IEXPLORE.EXE
580 IEXPLORE.EXE

pid	process
1208	DesktopLayer.exe
1208	DesktopLayer.exe
1208	DesktopLayer.exe
1208	DesktopLayer.exe

pid	process
1348	iexplore.exe

pid	process
1348	iexplore.exe
1348	iexplore.exe
580	IEXPLORE.EXE
580	IEXPLORE.EXE
580	IEXPLORE.EXE
580	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1932 wrote to memory of 1972	1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
PID 1932 wrote to memory of 1972	1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
PID 1932 wrote to memory of 1972	1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
PID 1932 wrote to memory of 1972	1932	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
PID 1972 wrote to memory of 1208	1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	DesktopLayer.exe
PID 1972 wrote to memory of 1208	1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	DesktopLayer.exe
PID 1972 wrote to memory of 1208	1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	DesktopLayer.exe
PID 1972 wrote to memory of 1208	1972	9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe	DesktopLayer.exe
PID 1208 wrote to memory of 1348	1208	DesktopLayer.exe	iexplore.exe
PID 1208 wrote to memory of 1348	1208	DesktopLayer.exe	iexplore.exe
PID 1208 wrote to memory of 1348	1208	DesktopLayer.exe	iexplore.exe
PID 1208 wrote to memory of 1348	1208	DesktopLayer.exe	iexplore.exe
PID 1348 wrote to memory of 580	1348	iexplore.exe	IEXPLORE.EXE
PID 1348 wrote to memory of 580	1348	iexplore.exe	IEXPLORE.EXE
PID 1348 wrote to memory of 580	1348	iexplore.exe	IEXPLORE.EXE
PID 1348 wrote to memory of 580	1348	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe
"C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
  C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:1208
  - - 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:1348
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1348 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\SB89FLAA.txt

Filesize
608B

MD5
157cc27147731826ba96b71beae8fd47

SHA1
af1f59f4fb27dcf4643f74426026fdec842ef54d

SHA256
d9135fab49bf8c225b4a8de0361a07f7e6d848e16190445611b64a1563265bda

SHA512
61d7598297e49c11610c2b730712b5d2532f095ca81e944a2fe9583b4673ed2b56cab0f2c6b1fd9140575cca81243d3cf74ec0e9ccd2895634ba18775270d6f9

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\9f7e7ce327cf13fa8698727fc6dcabea6253fc9a67e473cf17ddf11a76583abeSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\nst3E4A.tmp\ButtonLinker.dll

Filesize
7KB

MD5
dd85ac7d85c92dd0e3cc17dfd4890f54

SHA1
a128fb7a05965c1a9913c6f5e419e6c4c0a7d2fa

SHA256
27abd2a4fb1bf66add60221b52d061bbe24d2d21e13600725ff7a5c6c777b504

SHA512
e4ff8216c65110a9d156f37c2062acb53a72daa8af12dfc24278920d9e1a4083a81b1446759df75405b2da34c7bfb1afc33184feedd0aee4ed73f79fcbb1a8a1

Download Submit
\Users\Admin\AppData\Local\Temp\nst3E4A.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
\Users\Admin\AppData\Local\Temp\nst3E4A.tmp\System.dll

Filesize
67KB

MD5
8fef2ddc02a88527acf5f875aa79590a

SHA1
b3ebe53a0037789c155992eee0547de1a76712b9

SHA256
5b06944f0b948937d87a68d0d584f8de8f169298f5db95336f55696079e88d50

SHA512
7f231356313b7aa4882bfd205529d65022397c91a5aab3658d655524aa3bfe855432ac35cd455f8750530e1b9582e71c710abb94d610ff1ec3e13d5a193d19de

Download Submit
memory/1208-63-0x0000000000000000-mapping.dmp

Download
memory/1208-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1932-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1932-70-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1932-71-0x0000000002C70000-0x0000000002C9E000-memory.dmp

Filesize
184KB

Download
memory/1972-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1972-57-0x0000000000000000-mapping.dmp

Download