ramnit | 537b464463db98847e22ff6a54a743a5b18936ae70fb3ce30b68fd99608fc925

General

Target

hxjyxichaofz_fr/4399????????V0.0.1???/4399????????V0.0.1???.exe
Size

2.8MB
MD5

9c0f64ecb81964a02ef3bca47cae0512
SHA1

97251897685aef198daf28540e94d9174be86a83
SHA256

e2fbbe0e594af10e363af9ee0356ee5051a62a96bf56d85e83a37cd380e7c9a0
SHA512

2a4bf49866cb4f64dfb538afd753e439f2b6a9a5e04075cfd8150899be5af2425f877eb209760e18551f97df07182accda9e2b97d5186444ec5bce5bab5847b3

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:

4399________V0.0.1___Srv.exeDesktopLayer.exe

pid process

1404 4399________V0.0.1___Srv.exe
1104 DesktopLayer.exe

pid	process
1404	4399________V0.0.1___Srv.exe
1104	DesktopLayer.exe

UPX packed file 27 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe	upx
behavioral1/memory/1404-62-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1540-67-0x0000000010000000-0x000000001003E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1104-71-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1540-70-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-73-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-75-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-77-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-79-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-81-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-83-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-85-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-87-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-89-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-91-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-93-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-95-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-97-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-99-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-101-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1540-103-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

4399________V0.0.1___.exe4399________V0.0.1___Srv.exe

pid process

1540 4399________V0.0.1___.exe
1404 4399________V0.0.1___Srv.exe

Drops file in Program Files directory 3 IoCs

Processes:

4399________V0.0.1___Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3083.tmp	4399________V0.0.1___Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4399________V0.0.1___Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	4399________V0.0.1___Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "364787385"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4E59DC61-0572-11ED-A137-CEEDA865684B} = "0"	iexplore.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

4399________V0.0.1___.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?k1902203"	4399________V0.0.1___.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1104 DesktopLayer.exe
1104 DesktopLayer.exe
1104 DesktopLayer.exe
1104 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2028 iexplore.exe

pid	process
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe

pid	process
2028	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

4399________V0.0.1___.exeiexplore.exeIEXPLORE.EXE

pid	process
1540	4399________V0.0.1___.exe
1540	4399________V0.0.1___.exe
2028	iexplore.exe
2028	iexplore.exe
620	IEXPLORE.EXE
620	IEXPLORE.EXE
620	IEXPLORE.EXE
620	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

4399________V0.0.1___.exe4399________V0.0.1___Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1540 wrote to memory of 1404	1540	4399________V0.0.1___.exe	4399________V0.0.1___Srv.exe
PID 1540 wrote to memory of 1404	1540	4399________V0.0.1___.exe	4399________V0.0.1___Srv.exe
PID 1540 wrote to memory of 1404	1540	4399________V0.0.1___.exe	4399________V0.0.1___Srv.exe
PID 1540 wrote to memory of 1404	1540	4399________V0.0.1___.exe	4399________V0.0.1___Srv.exe
PID 1404 wrote to memory of 1104	1404	4399________V0.0.1___Srv.exe	DesktopLayer.exe
PID 1404 wrote to memory of 1104	1404	4399________V0.0.1___Srv.exe	DesktopLayer.exe
PID 1404 wrote to memory of 1104	1404	4399________V0.0.1___Srv.exe	DesktopLayer.exe
PID 1404 wrote to memory of 1104	1404	4399________V0.0.1___Srv.exe	DesktopLayer.exe
PID 1104 wrote to memory of 2028	1104	DesktopLayer.exe	iexplore.exe
PID 1104 wrote to memory of 2028	1104	DesktopLayer.exe	iexplore.exe
PID 1104 wrote to memory of 2028	1104	DesktopLayer.exe	iexplore.exe
PID 1104 wrote to memory of 2028	1104	DesktopLayer.exe	iexplore.exe
PID 2028 wrote to memory of 620	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 620	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 620	2028	iexplore.exe	IEXPLORE.EXE
PID 2028 wrote to memory of 620	2028	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___.exe
"C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer start page
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1540

C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe
C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1404

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:1104

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:2028

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

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\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\RW441FDW.txt
Filesize
602B

MD5
c67a26a407a37ba7d9d07e4e91fb5573

SHA1
50513b5c74273d847849f2873729c35d6bbc1fa8

SHA256
6f02b7038c46d183343ce3b7824cc09bf4d809d0dd02fc2cdd6316c64c0a2d83

SHA512
3492ccf63b5e6bba9d818bb9e92525458f2887b4a188cadba24a107b73bb856179610e0119c0f33a0f6d0c64dfbf49eede63c018e4261b6e331de106c31d05e0

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\hxjyxichaofz_fr\4399________V0.0.1___\4399________V0.0.1___Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1104-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1104-64-0x0000000000000000-mapping.dmp

Download
memory/1404-56-0x0000000000000000-mapping.dmp

Download
memory/1404-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1540-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-85-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-60-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1540-70-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-73-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-54-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1540-75-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-77-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-79-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-81-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-83-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-67-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-87-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-89-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-91-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-93-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-95-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-97-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-99-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-101-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-103-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1540-105-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/1540-59-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads