ramnit | 78a9e10f6987c5d2ba2cb5a6fc76954ce69e805bb0c7a7b83dd041f2ca106db9

Analysis

max time kernel
55s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 02:11

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General

Target

78a9e10f6987c5d2ba2cb5a6fc76954ce69e805bb0c7a7b83dd041f2ca106db9.dll
Size

180KB
MD5

d67aa8d98e0c11cfacae9c331a17b460
SHA1

54451135af687f55ca882b64b2e2c29f610e7eb6
SHA256

78a9e10f6987c5d2ba2cb5a6fc76954ce69e805bb0c7a7b83dd041f2ca106db9
SHA512

69488a03a6f9e843e107f31053dff60a2db8029fb1f9b65e4005b27e7be178e87e3b67ed5c0bef01ce992d6a98ad3d4a2f201f5b891fc60c5df6fac3ba20e0d6
SSDEEP

3072:DmCJW1LlwbEaL/4SxaPL2x3BEMfuCcC9C797zFCTvPZWnMh90Tdu87S3SEHPJL:CEW1LlwbEaLjZx3mNCt9eU4W90Tk879O

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
1056	regsvr32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1056-64-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1964	regsvr32.exe
1964	regsvr32.exe
1056	regsvr32mgr.exe
1056	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
1044	1056	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 2008 wrote to memory of 1964	2008	regsvr32.exe	27
PID 1964 wrote to memory of 1056	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1056	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1056	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1056	1964	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\78a9e10f6987c5d2ba2cb5a6fc76954ce69e805bb0c7a7b83dd041f2ca106db9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\78a9e10f6987c5d2ba2cb5a6fc76954ce69e805bb0c7a7b83dd041f2ca106db9.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1056
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 180
      4⤵
      Program crash
      PID:1044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
\Users\Admin\AppData\Local\Temp\~TM84B.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM8AA.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
memory/1056-65-0x0000000000230000-0x000000000025A000-memory.dmp

Filesize
168KB

Download
memory/1056-67-0x0000000076F50000-0x00000000770D0000-memory.dmp

Filesize
1.5MB

Download
memory/1056-66-0x0000000076F50000-0x00000000770D0000-memory.dmp

Filesize
1.5MB

Download
memory/1056-64-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1964-56-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/2008-54-0x000007FEFB5F1000-0x000007FEFB5F3000-memory.dmp

Filesize
8KB

Download