ramnit | 42f93adb61f9e98e920711827f8bc41fbd76aa5401173f1b08362141d39811bf

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 20:16

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General

Target

JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll
Size

188KB
MD5

0738f344d9f7f8d2f2433f6b4ca4140d
SHA1

18fa4eab741836cc3381578e4ac8664824a48cad
SHA256

42f93adb61f9e98e920711827f8bc41fbd76aa5401173f1b08362141d39811bf
SHA512

4c2eebc749dd85cbf437c6fb05073d20ade3a7ae4be305a4974e7509c00f3bc5408285fe1a3dc8ad83ac132c898b4a52389a6aa5ba175716a32c04fbd735e34d
SSDEEP

3072:+Cc3BovvxtyyLa3E1oF4wfOKT75YGmlQnLXVvLKIZy+dBIWmjtIZ5lxsW:Hv7Da3EO2wWKX6GvLXVvLLZb9LZnH

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
1356	regsvr32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1356	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1356-7-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	1356	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID	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}\ProgID\ = "POPC.Poptimize.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	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\POPC.Poptimize.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\ = "Poptimize Class"	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\POPC.Poptimize\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\ = "Poptimize Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0"	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\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	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\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	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\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS\ = "0"	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\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}	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
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\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\Programmable	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\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}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ = "Poptimize Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\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\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\Version = "1.0"	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\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\ = "POPC 1.0 Type Library"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2816	2228	regsvr32.exe	83
PID 2228 wrote to memory of 2816	2228	regsvr32.exe	83
PID 2228 wrote to memory of 2816	2228	regsvr32.exe	83
PID 2816 wrote to memory of 1356	2816	regsvr32.exe	84
PID 2816 wrote to memory of 1356	2816	regsvr32.exe	84
PID 2816 wrote to memory of 1356	2816	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1356
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 10176
      4⤵
      Program crash
      PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1356 -ip 1356
1⤵
PID:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM9952.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/1356-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1356-6-0x0000000002080000-0x00000000020C4000-memory.dmp

Filesize
272KB

Download
memory/1356-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1356-12-0x0000000002080000-0x00000000020C4000-memory.dmp

Filesize
272KB

Download
memory/2816-0-0x0000000004600000-0x0000000004630000-memory.dmp

Filesize
192KB

Download