ramnit | 5fe16dca88da658ae3070b7061fe508b21964920a6108207f6407a33c0014df0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 22:04

Target

5fe16dca88da658ae3070b7061fe508b21964920a6108207f6407a33c0014df0.dll
Size

404KB
MD5

4cfcde0d3892fdea13b65bf842f4634e
SHA1

4a838fb0a9857904f079c4207ea78f17ae0186b6
SHA256

5fe16dca88da658ae3070b7061fe508b21964920a6108207f6407a33c0014df0
SHA512

dd91475cdc6941bcb8f24c68a572516bbaf435a7ad2bea9aca558ae6281add68011754336d5e26f7891f8ba6622c48852ed6436ffd237e732a6a3314aaff3ceb
SSDEEP

6144:DkUk3Tx8vSIUZ3Phd0S1H1ipwaJyiifaaZBlN5OjFKg9a:IoSIcH1HCABlN5Oj7U

Score

10^/10

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2900-11-0x0000000000400000-0x000000000042A000-memory.dmp UPX
behavioral1/memory/2900-18-0x0000000000400000-0x000000000042A000-memory.dmp UPX
Executes dropped EXE 1 IoCs

Processes:

rundll32mgr.exe

pid process

2900 rundll32mgr.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exerundll32mgr.exe

pid process

2036 rundll32.exe
2036 rundll32.exe
2900 rundll32mgr.exe
2900 rundll32mgr.exe
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral1/memory/2900-11-0x0000000000400000-0x000000000042A000-memory.dmp upx
behavioral1/memory/2900-18-0x0000000000400000-0x000000000042A000-memory.dmp upx
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2388 2900 WerFault.exe rundll32mgr.exe

resource	yara_rule
behavioral1/memory/2900-11-0x0000000000400000-0x000000000042A000-memory.dmp	UPX
behavioral1/memory/2900-18-0x0000000000400000-0x000000000042A000-memory.dmp	UPX

pid	process
2900	rundll32mgr.exe

resource	yara_rule
behavioral1/memory/2900-11-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/2900-18-0x0000000000400000-0x000000000042A000-memory.dmp	upx

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

pid	pid_target	process	target process
2388	2900	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 1856 wrote to memory of 2036	1856	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2900	2036	rundll32.exe	rundll32mgr.exe
PID 2036 wrote to memory of 2900	2036	rundll32.exe	rundll32mgr.exe
PID 2036 wrote to memory of 2900	2036	rundll32.exe	rundll32mgr.exe
PID 2036 wrote to memory of 2900	2036	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fe16dca88da658ae3070b7061fe508b21964920a6108207f6407a33c0014df0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 180
4⤵
- Program crash
PID:2388

\Users\Admin\AppData\Local\Temp\~TM19B8.tmp
Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM1A17.tmp
Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe
Filesize
184KB

MD5
1d92c741bc5b2d34dcd0a0265ab54275

SHA1
a160982825420567c15f6c11f777cb4ccbe69bb8

SHA256
3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

SHA512
1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

Download Submit
memory/2036-2-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2036-1-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2900-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2900-18-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

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