ramnit | 3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 16:08

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General

Target

3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll
Size

176KB
MD5

a48395d2fa08f13e4ab63a650d5198d0
SHA1

7704269ca54d14274d2793084c62d9182945916e
SHA256

3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4
SHA512

d2c77197c179d7ab5472d000630391a0ecc1213454ed0e9fa58e717aa281b69147bb8ce7cdcfa5443002bcc3ff461a799342db83d7e07b35654bb9961e8974b9
SSDEEP

3072:2Cc3BovvxtyyLa3E1oF4dfOKTfy0IDyo/S2LCruJ8erpq/D51qzd/zE:fv7Da3EO2dWKLy0tt2iq8CaD5cpQ

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 1 IoCs

pid	Process
1096	regsvr32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1096-136-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/1096-138-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/1096-139-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/1096-142-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1096	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4784	1096	WerFault.exe	84

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID\ = "POPC.Poptimize"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID\ = "POPC.Poptimize.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ = "Poptimize Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer\ = "POPC.Poptimize.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\ = "Poptimize Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\ = "POPC 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1096	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 3136	3836	regsvr32.exe	83
PID 3836 wrote to memory of 3136	3836	regsvr32.exe	83
PID 3836 wrote to memory of 3136	3836	regsvr32.exe	83
PID 3136 wrote to memory of 1096	3136	regsvr32.exe	84
PID 3136 wrote to memory of 1096	3136	regsvr32.exe	84
PID 3136 wrote to memory of 1096	3136	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of UnmapMainImage
    PID:1096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 236
      4⤵
      Program crash
      PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1096 -ip 1096
1⤵
PID:4872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM7880.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
81KB

MD5
cb41358796a14f05bccfddb098900c71

SHA1
8c14e0d55d4de69ea7b87db5dbe3d4bd39d13935

SHA256
6d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b

SHA512
8a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de

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

Filesize
81KB

MD5
cb41358796a14f05bccfddb098900c71

SHA1
8c14e0d55d4de69ea7b87db5dbe3d4bd39d13935

SHA256
6d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b

SHA512
8a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de

Download Submit
memory/1096-136-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1096-137-0x000000000041C000-0x000000000042A000-memory.dmp

Filesize
56KB

Download
memory/1096-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1096-139-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1096-141-0x0000000077AC0000-0x0000000077C63000-memory.dmp

Filesize
1.6MB

Download
memory/1096-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download