ramnit | 28c7431a15ada133ba58cb17edd757da47901cb14cdaf2df568a196296ba78e6

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:00

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General

Target

274280c0f2dc2def2b1c732a5d24c596.exe
Size

99KB
MD5

274280c0f2dc2def2b1c732a5d24c596
SHA1

e9ab8dc315a36194c19f5b2ca22905cd11c7c70f
SHA256

28c7431a15ada133ba58cb17edd757da47901cb14cdaf2df568a196296ba78e6
SHA512

54bbaf8c62244f44178ef24027da410f5a1b4aa28f732fdc6076e3f7885793c7b84d264efd074fdfc026f97106674bbd12906917894b7e76b702cba6ed4abf93
SSDEEP

3072:NMk0f8swrpziGGxRGtZUlxmIGVk8jwaaHw7Koj4rDM7QJy:mk0KVGxuZgm

Score

10^/10

ramnit banker spyware stealer trojan worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	274280c0f2dc2def2b1c732a5d24c596.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	rblmyjwlveixiweu.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1516	4728	WerFault.exe	96
2628	4444	WerFault.exe	112

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079728"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1428176959"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079728"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1708801704"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1428176959"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079728"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8DDF8844-A923-11EE-9BE3-EAB06C7B55B6} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4500	274280c0f2dc2def2b1c732a5d24c596.exe
Token: SeDebugPrivilege	4500	274280c0f2dc2def2b1c732a5d24c596.exe
Token: SeSecurityPrivilege	1320	rblmyjwlveixiweu.exe
Token: SeLoadDriverPrivilege	1320	rblmyjwlveixiweu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1048	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE
3536	IEXPLORE.EXE
3536	IEXPLORE.EXE
3536	IEXPLORE.EXE
3536	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 4728	4500	274280c0f2dc2def2b1c732a5d24c596.exe	96
PID 4500 wrote to memory of 3856	4500	274280c0f2dc2def2b1c732a5d24c596.exe	108
PID 4500 wrote to memory of 3856	4500	274280c0f2dc2def2b1c732a5d24c596.exe	108
PID 4500 wrote to memory of 3856	4500	274280c0f2dc2def2b1c732a5d24c596.exe	108
PID 3856 wrote to memory of 1048	3856	iexplore.exe	109
PID 3856 wrote to memory of 1048	3856	iexplore.exe	109
PID 1048 wrote to memory of 3536	1048	IEXPLORE.EXE	111
PID 1048 wrote to memory of 3536	1048	IEXPLORE.EXE	111
PID 1048 wrote to memory of 3536	1048	IEXPLORE.EXE	111
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 4444	4500	274280c0f2dc2def2b1c732a5d24c596.exe	112
PID 4500 wrote to memory of 1324	4500	274280c0f2dc2def2b1c732a5d24c596.exe	115
PID 4500 wrote to memory of 1324	4500	274280c0f2dc2def2b1c732a5d24c596.exe	115
PID 4500 wrote to memory of 1324	4500	274280c0f2dc2def2b1c732a5d24c596.exe	115
PID 1324 wrote to memory of 1244	1324	iexplore.exe	116
PID 1324 wrote to memory of 1244	1324	iexplore.exe	116
PID 4500 wrote to memory of 1320	4500	274280c0f2dc2def2b1c732a5d24c596.exe	120
PID 4500 wrote to memory of 1320	4500	274280c0f2dc2def2b1c732a5d24c596.exe	120
PID 4500 wrote to memory of 1320	4500	274280c0f2dc2def2b1c732a5d24c596.exe	120

C:\Users\Admin\AppData\Local\Temp\274280c0f2dc2def2b1c732a5d24c596.exe
"C:\Users\Admin\AppData\Local\Temp\274280c0f2dc2def2b1c732a5d24c596.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  PID:4728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 212
    3⤵
    - Program crash
    PID:1516
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3856
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1048 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3536
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  PID:4444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 208
    3⤵
    - Program crash
    PID:2628
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1324
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    PID:1244
- C:\Users\Admin\AppData\Local\Temp\rblmyjwlveixiweu.exe
  "C:\Users\Admin\AppData\Local\Temp\rblmyjwlveixiweu.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4728 -ip 4728
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4444 -ip 4444
1⤵
PID:864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rblmyjwlveixiweu.exe

Filesize
99KB

MD5
274280c0f2dc2def2b1c732a5d24c596

SHA1
e9ab8dc315a36194c19f5b2ca22905cd11c7c70f

SHA256
28c7431a15ada133ba58cb17edd757da47901cb14cdaf2df568a196296ba78e6

SHA512
54bbaf8c62244f44178ef24027da410f5a1b4aa28f732fdc6076e3f7885793c7b84d264efd074fdfc026f97106674bbd12906917894b7e76b702cba6ed4abf93

Download Submit
memory/1320-46-0x0000000000A50000-0x0000000000A52000-memory.dmp

Filesize
8KB

Download
memory/1320-44-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/1320-45-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-13-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-18-0x00000000004E0000-0x00000000004E2000-memory.dmp

Filesize
8KB

Download
memory/4500-10-0x0000000077302000-0x0000000077303000-memory.dmp

Filesize
4KB

Download
memory/4500-9-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/4500-11-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/4500-0-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-1-0x0000000000432000-0x000000000043B000-memory.dmp

Filesize
36KB

Download
memory/4500-2-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-16-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-7-0x00000000004E0000-0x00000000004E2000-memory.dmp

Filesize
8KB

Download
memory/4500-22-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-24-0x0000000077302000-0x0000000077303000-memory.dmp

Filesize
4KB

Download
memory/4500-25-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-6-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-4-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4500-3-0x0000000000400000-0x000000000043A598-memory.dmp

Filesize
233KB

Download
memory/4728-15-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/4728-14-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download