ramnit | 93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d

Analysis

max time kernel
98s
max time network
135s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 10:40

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General

Target

93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe
Size

550KB
MD5

09794ce1f83f0bab0c8d34516a6f3c50
SHA1

b801aecff299cf480784140d3a122aa2f08d06fa
SHA256

93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d
SHA512

060c4790d287a21308cbe5af72faf84277613f40cce42320df67f493e7aca4f970bb2325edb3b9ab36526496be89fe264a883466bd575c03b35e73b79b1f6ea9
SSDEEP

12288:WgMEgoLKwsRp0VEjcyQ4vbvi8YOQfVM1S2+vqKeT0M34OF:WnouwsRpxjVDhQfVM1SZvqV0Mr

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
856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe
1712	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001347b-55.dat	upx
behavioral1/files/0x000a00000001347b-57.dat	upx
behavioral1/files/0x000a00000001347b-59.dat	upx
behavioral1/files/0x0009000000013ba1-60.dat	upx
behavioral1/files/0x0009000000013ba1-63.dat	upx
behavioral1/memory/856-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0009000000013ba1-65.dat	upx
behavioral1/memory/1712-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe
856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px147B.tmp	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375795794"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{465E4131-6991-11ED-8B07-42F1C931D1AB} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1712	DesktopLayer.exe
1712	DesktopLayer.exe
1712	DesktopLayer.exe
1712	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1168	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe
1168	iexplore.exe
1168	iexplore.exe
360	IEXPLORE.EXE
360	IEXPLORE.EXE
360	IEXPLORE.EXE
360	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 856	1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe	28
PID 1284 wrote to memory of 856	1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe	28
PID 1284 wrote to memory of 856	1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe	28
PID 1284 wrote to memory of 856	1284	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe	28
PID 856 wrote to memory of 1712	856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe	29
PID 856 wrote to memory of 1712	856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe	29
PID 856 wrote to memory of 1712	856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe	29
PID 856 wrote to memory of 1712	856	93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe	29
PID 1712 wrote to memory of 1168	1712	DesktopLayer.exe	30
PID 1712 wrote to memory of 1168	1712	DesktopLayer.exe	30
PID 1712 wrote to memory of 1168	1712	DesktopLayer.exe	30
PID 1712 wrote to memory of 1168	1712	DesktopLayer.exe	30
PID 1168 wrote to memory of 360	1168	iexplore.exe	32
PID 1168 wrote to memory of 360	1168	iexplore.exe	32
PID 1168 wrote to memory of 360	1168	iexplore.exe	32
PID 1168 wrote to memory of 360	1168	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe
"C:\Users\Admin\AppData\Local\Temp\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe
  C:\Users\Admin\AppData\Local\Temp\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:856
- - 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:1712
  - - 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:1168
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1168 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:360

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\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2VY3J964.txt

Filesize
601B

MD5
0e031f01819d4c971bbc7a6597f92e15

SHA1
bf5cf01686c4dc43834df415f9270920acd5d3c4

SHA256
2e6fc1b84bf7b92feb5c901ac45e0a43d3273203748820005e1e9dee5e5f390c

SHA512
73755af3f0b9ea797c6b26fc1ef72e773b41bd758a94ce90e0ae6fc6a200f88712f2a3d2462732c10e4a191a9a3b2a063c6948a73b9956ed09652de1f5941ae5

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\93ea1901bd7ee7323fdbfd5cf3b1dd4035e39f9498976e54442c592b27c9938dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/856-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1284-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1284-67-0x0000000000240000-0x00000000002D1000-memory.dmp

Filesize
580KB

Download
memory/1284-68-0x00000000000A0000-0x00000000000CE000-memory.dmp

Filesize
184KB

Download
memory/1284-69-0x0000000000240000-0x00000000002D1000-memory.dmp

Filesize
580KB

Download
memory/1712-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download