ramnit | 9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2022, 20:09

Target

9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll
Size

451KB
MD5

0cc2459d49e98fba1523fd625dadc7d0
SHA1

6aa7d7b5795de1e8d88deb12e4f7074194ddefc6
SHA256

9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74
SHA512

c19ff9f461a34f0b66aaa988db4b3f555f9a62eeef256aef2db570c5aafb7be027e5d0567e881706e5d0447dbb6a61061905d9b8be834ebd72da58e0e10705c9
SSDEEP

6144:IxlKdRE3WBmv8QdDHViAsl5FRu56zQwmSkY2G5L8v1kcRv4Dyg32+LOpqOQXFTyP:iWBohJVi/KyzfMGt8uJn4I1y

Score

10^/10

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Executes dropped EXE 1 IoCs

pid	Process
4836	regsvr32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/4836-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4836	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1532	2468	WerFault.exe	77
4736	4836	WerFault.exe	79

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2468	4740	regsvr32.exe	77
PID 4740 wrote to memory of 2468	4740	regsvr32.exe	77
PID 4740 wrote to memory of 2468	4740	regsvr32.exe	77
PID 2468 wrote to memory of 4836	2468	regsvr32.exe	79
PID 2468 wrote to memory of 4836	2468	regsvr32.exe	79
PID 2468 wrote to memory of 4836	2468	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 520
      4⤵
      Program crash
      PID:4736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 668
    3⤵
    - Program crash
    PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2468 -ip 2468
1⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4836 -ip 4836
1⤵
PID:2892

C:\Users\Admin\AppData\Local\Temp\~TMBCDC.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/2468-137-0x0000000000AD0000-0x0000000000BC9000-memory.dmp

Filesize
996KB

Download
memory/4836-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4836-139-0x0000000002020000-0x000000000204A000-memory.dmp

Filesize
168KB

Download
memory/4836-140-0x0000000077BD0000-0x0000000077D73000-memory.dmp

Filesize
1.6MB

Download