ramnit | 42f93adb61f9e98e920711827f8bc41fbd76aa5401173f1b08362141d39811bf

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
2892	regsvr32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2872	regsvr32.exe
2872	regsvr32.exe
2892	regsvr32mgr.exe
2892	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2892-13-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2892-20-0x0000000000400000-0x0000000000444000-memory.dmp	upx

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

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize	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\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\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\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	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\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\ = "POPC 1.0 Type Library"	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\\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\ = "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\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID	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}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS	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}\ = "IPopEntries"	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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	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\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID	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
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\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}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	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\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer\ = "POPC.Poptimize.1"	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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1	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\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS\ = "0"	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\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}	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}	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}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID	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\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	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\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	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\0\win32	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\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	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\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ = "Poptimize Class"	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\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2816 wrote to memory of 2872	2816	regsvr32.exe	30
PID 2872 wrote to memory of 2892	2872	regsvr32.exe	31
PID 2872 wrote to memory of 2892	2872	regsvr32.exe	31
PID 2872 wrote to memory of 2892	2872	regsvr32.exe	31
PID 2872 wrote to memory of 2892	2872	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0738f344d9f7f8d2f2433f6b4ca4140d.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2892

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM5AAE.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM5B7A.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\regsvr32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/2872-0-0x0000000004600000-0x0000000004630000-memory.dmp

Filesize
192KB

Download
memory/2872-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2872-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2892-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2892-12-0x0000000000270000-0x00000000002B4000-memory.dmp

Filesize
272KB

Download
memory/2892-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2892-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2892-22-0x0000000000270000-0x00000000002B4000-memory.dmp

Filesize
272KB

Download