ramnit | f1b7d1731f2cbcf27babe8afe3d2f7a3e7b060ca1c9dfa1f8f5dcb3ca9811dfd

Analysis

max time kernel
225s
max time network
262s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 16:04

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General

Target

f1b7d1731f2cbcf27babe8afe3d2f7a3e7b060ca1c9dfa1f8f5dcb3ca9811dfd.dll
Size

294KB
MD5

a7de27d7514c03ee6e037eaea742cd30
SHA1

2372da87d7a437f7cb8627425e536293f71c6b71
SHA256

f1b7d1731f2cbcf27babe8afe3d2f7a3e7b060ca1c9dfa1f8f5dcb3ca9811dfd
SHA512

cd5ec2f7b09e0a4da696063f7cc6a7eb683fdbc6b85b0620565944ec00a7389c6e4e98f8a34dee4daf7b48dea3fd69ac27a4bb1d613ecd71dee1c676eeadda1f
SSDEEP

6144:DxGMku94XCzTurXzXRlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01f:DxGCOXzXRlbDC9K69u2m+SqOWcsQQKiX

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
1700	rundll32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1700-136-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/1700-138-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/1700-139-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/1700-142-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1700	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3472	1112	WerFault.exe	82
4304	1700	WerFault.exe	83

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1700	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 1112	5108	rundll32.exe	82
PID 5108 wrote to memory of 1112	5108	rundll32.exe	82
PID 5108 wrote to memory of 1112	5108	rundll32.exe	82
PID 1112 wrote to memory of 1700	1112	rundll32.exe	83
PID 1112 wrote to memory of 1700	1112	rundll32.exe	83
PID 1112 wrote to memory of 1700	1112	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1b7d1731f2cbcf27babe8afe3d2f7a3e7b060ca1c9dfa1f8f5dcb3ca9811dfd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1b7d1731f2cbcf27babe8afe3d2f7a3e7b060ca1c9dfa1f8f5dcb3ca9811dfd.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of UnmapMainImage
    PID:1700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 444
      4⤵
      Program crash
      PID:4304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 636
    3⤵
    - Program crash
    PID:3472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1112 -ip 1112
1⤵
PID:900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1700 -ip 1700
1⤵
PID:1480

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMED8C.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
81KB

MD5
cb41358796a14f05bccfddb098900c71

SHA1
8c14e0d55d4de69ea7b87db5dbe3d4bd39d13935

SHA256
6d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b

SHA512
8a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
81KB

MD5
cb41358796a14f05bccfddb098900c71

SHA1
8c14e0d55d4de69ea7b87db5dbe3d4bd39d13935

SHA256
6d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b

SHA512
8a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de

Download Submit
memory/1112-132-0x0000000000000000-mapping.dmp

Download
memory/1112-141-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1700-133-0x0000000000000000-mapping.dmp

Download
memory/1700-136-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-137-0x000000000041C000-0x000000000042A000-memory.dmp

Filesize
56KB

Download
memory/1700-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1700-139-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1700-142-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1700-143-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download