ramnit | 2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3

General

Target

2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
Size

630KB
MD5

601ddfdee593a71b12a072a8f25156b0
SHA1

57516d50bced81ebe2d34328a12f3a97dcb9f59e
SHA256

2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3
SHA512

5e47fbea71b3ca6950f706520954c1f4063c74661a28a8999e63582213e72a7b17a74ac01dc658fbb38c34f7b43be87393ca363836bd1b4ad1665e299d5b5d49
SSDEEP

12288:zyyKdVnyNhXCV4EkP7AIfzNXZ0b5NrnkcAqIV0A1caRIqDwm1:zKvyNhXCV4E8BXAfrnkcAqU0A7M

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
956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
1740	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-55.dat	upx
behavioral1/files/0x000c0000000054a8-57.dat	upx
behavioral1/files/0x000c0000000054a8-60.dat	upx
behavioral1/files/0x00090000000139f2-61.dat	upx
behavioral1/memory/956-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x00090000000139f2-66.dat	upx
behavioral1/files/0x00090000000139f2-63.dat	upx
behavioral1/memory/1740-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1388	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD0C.tmp	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371604071"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9FBAD361-4371-11ED-8C74-D6AAFEFD221A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1740	DesktopLayer.exe
1740	DesktopLayer.exe
1740	DesktopLayer.exe
1740	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1508	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1508	iexplore.exe
1508	iexplore.exe
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE
1540	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 956	1388	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe	28
PID 1388 wrote to memory of 956	1388	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe	28
PID 1388 wrote to memory of 956	1388	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe	28
PID 1388 wrote to memory of 956	1388	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe	28
PID 956 wrote to memory of 1740	956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe	29
PID 956 wrote to memory of 1740	956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe	29
PID 956 wrote to memory of 1740	956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe	29
PID 956 wrote to memory of 1740	956	2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe	29
PID 1740 wrote to memory of 1508	1740	DesktopLayer.exe	30
PID 1740 wrote to memory of 1508	1740	DesktopLayer.exe	30
PID 1740 wrote to memory of 1508	1740	DesktopLayer.exe	30
PID 1740 wrote to memory of 1508	1740	DesktopLayer.exe	30
PID 1508 wrote to memory of 1540	1508	iexplore.exe	32
PID 1508 wrote to memory of 1540	1508	iexplore.exe	32
PID 1508 wrote to memory of 1540	1508	iexplore.exe	32
PID 1508 wrote to memory of 1540	1508	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
"C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
  C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:956
- - 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:1740
  - - 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:1508
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1508 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1540

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\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\05E6VHAJ.txt

Filesize
608B

MD5
61a766e443d6ba6d38aa61060548ff79

SHA1
bb42a713aaea7015e73f01b5baea7af4513aa874

SHA256
f5bbcaa6b3885527f04dcaf87f0d97a8081dfab657ee26365126611be8d98fc3

SHA512
30b99857b397b2d26606610a77ab52e48c9b8a940d24f2f3461bd469913adee6c669f627efc851437d4287b65ba6b6c623a2baf79971db6d618c31c9679fd9ba

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\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/956-59-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/956-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-58-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1388-54-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1740-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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