ramnit | db2224fd25fb45150d7033001ff2ea90da3fd56d8a3f1d99f1f3fab14705fe09

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 12:06

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General

Target

4b642633a36a25817bd10003d5d4dea0.exe
Size

100KB
MD5

4b642633a36a25817bd10003d5d4dea0
SHA1

66e64cc788ae62e354596207bf670be4a6882c49
SHA256

db2224fd25fb45150d7033001ff2ea90da3fd56d8a3f1d99f1f3fab14705fe09
SHA512

cc47e3e65fa5aca36a092af0f489574ec157fbae3f6fa06dbb4de4c0e794dc8ce2c4e6286d48d8b32c8b0d457b6ca8e22442e34ef79322a3aa960d30ca8fff94
SSDEEP

3072:gi9cmKEV+l7/qlNPQ6Qpmj2dDqSGVk8jwaaHw7Koj4rDMN0:gicUWrqfPnumjkDqSk

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	4b642633a36a25817bd10003d5d4dea0.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	xhsyaiwlnrfrmcef.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
2904	2728	WerFault.exe
1248	4840	WerFault.exe	106

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1175078979"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1374766282"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081003"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{71AA442D-AE1E-11EE-A0B6-E2EC48AD62A3} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081003"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081003"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411480602"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1175078979"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081003"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081003"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1227422388"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1227422388"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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	4816	4b642633a36a25817bd10003d5d4dea0.exe
Token: SeDebugPrivilege	4816	4b642633a36a25817bd10003d5d4dea0.exe
Token: SeSecurityPrivilege	4484	xhsyaiwlnrfrmcef.exe
Token: SeLoadDriverPrivilege	4484	xhsyaiwlnrfrmcef.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5052	IEXPLORE.EXE
5052	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5052	IEXPLORE.EXE
5052	IEXPLORE.EXE
3244	IEXPLORE.EXE
3244	IEXPLORE.EXE
3244	IEXPLORE.EXE
3244	IEXPLORE.EXE
5052	IEXPLORE.EXE
5052	IEXPLORE.EXE
3848	IEXPLORE.EXE
3848	IEXPLORE.EXE
3848	IEXPLORE.EXE
3848	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 2728	4816	4b642633a36a25817bd10003d5d4dea0.exe	33
PID 4816 wrote to memory of 4444	4816	4b642633a36a25817bd10003d5d4dea0.exe	100
PID 4816 wrote to memory of 4444	4816	4b642633a36a25817bd10003d5d4dea0.exe	100
PID 4816 wrote to memory of 4444	4816	4b642633a36a25817bd10003d5d4dea0.exe	100
PID 4444 wrote to memory of 5052	4444	iexplore.exe	101
PID 4444 wrote to memory of 5052	4444	iexplore.exe	101
PID 5052 wrote to memory of 3244	5052	IEXPLORE.EXE	102
PID 5052 wrote to memory of 3244	5052	IEXPLORE.EXE	102
PID 5052 wrote to memory of 3244	5052	IEXPLORE.EXE	102
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 4840	4816	4b642633a36a25817bd10003d5d4dea0.exe	106
PID 4816 wrote to memory of 368	4816	4b642633a36a25817bd10003d5d4dea0.exe	110
PID 4816 wrote to memory of 368	4816	4b642633a36a25817bd10003d5d4dea0.exe	110
PID 4816 wrote to memory of 368	4816	4b642633a36a25817bd10003d5d4dea0.exe	110
PID 368 wrote to memory of 556	368	iexplore.exe	112
PID 368 wrote to memory of 556	368	iexplore.exe	112
PID 5052 wrote to memory of 3848	5052	IEXPLORE.EXE	111
PID 5052 wrote to memory of 3848	5052	IEXPLORE.EXE	111
PID 5052 wrote to memory of 3848	5052	IEXPLORE.EXE	111
PID 4816 wrote to memory of 4484	4816	4b642633a36a25817bd10003d5d4dea0.exe	114
PID 4816 wrote to memory of 4484	4816	4b642633a36a25817bd10003d5d4dea0.exe	114
PID 4816 wrote to memory of 4484	4816	4b642633a36a25817bd10003d5d4dea0.exe	114

C:\Users\Admin\AppData\Local\Temp\4b642633a36a25817bd10003d5d4dea0.exe
"C:\Users\Admin\AppData\Local\Temp\4b642633a36a25817bd10003d5d4dea0.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  PID:2728
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4444
- - 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:5052
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5052 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3244
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5052 CREDAT:17416 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3848
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  PID:4840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 208
    3⤵
    - Program crash
    PID:1248
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    PID:556
- C:\Users\Admin\AppData\Local\Temp\xhsyaiwlnrfrmcef.exe
  "C:\Users\Admin\AppData\Local\Temp\xhsyaiwlnrfrmcef.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2728 -ip 2728
1⤵
PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 204
1⤵
- Program crash
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4840 -ip 4840
1⤵
PID:4960

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\Microsoft\Internet Explorer\VersionManager\verFF9D.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\xhsyaiwlnrfrmcef.exe

Filesize
100KB

MD5
4b642633a36a25817bd10003d5d4dea0

SHA1
66e64cc788ae62e354596207bf670be4a6882c49

SHA256
db2224fd25fb45150d7033001ff2ea90da3fd56d8a3f1d99f1f3fab14705fe09

SHA512
cc47e3e65fa5aca36a092af0f489574ec157fbae3f6fa06dbb4de4c0e794dc8ce2c4e6286d48d8b32c8b0d457b6ca8e22442e34ef79322a3aa960d30ca8fff94

Download Submit
memory/2728-11-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2728-10-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4484-36-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4484-37-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4484-41-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4484-38-0x00000000004A0000-0x00000000004A2000-memory.dmp

Filesize
8KB

Download
memory/4816-8-0x00000000004B0000-0x00000000004B2000-memory.dmp

Filesize
8KB

Download
memory/4816-12-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-16-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-19-0x00000000779C2000-0x00000000779C3000-memory.dmp

Filesize
4KB

Download
memory/4816-18-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-2-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-3-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-5-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/4816-6-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/4816-0-0x0000000000400000-0x000000000043A608-memory.dmp

Filesize
233KB

Download
memory/4816-9-0x00000000779C2000-0x00000000779C3000-memory.dmp

Filesize
4KB

Download
memory/4816-1-0x0000000000432000-0x000000000043B000-memory.dmp

Filesize
36KB

Download