ramnit | b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88

Analysis

max time kernel
95s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 07:32

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General

Target

b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe
Size

78KB
MD5

f3422fabecb13b5c9c67a2d5fe46cbb1
SHA1

26a53d7a36bc44091a12409c9e44b5476e7b7c47
SHA256

b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88
SHA512

ffde33610397fbd0a4673fd753d0775cf82e10bab333a41fa2c6029a71354dfab119dde486e09539042d5306644f76b49f9ae2e2c5237f113b382ee1e87b24ff
SSDEEP

1536:e3j72srzVRv7Kf4AH+pdcDJVoYMeKTn114HtMrgXJDeoZS:yusXjTuoaD6eK7114HarVqS

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
224	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/368-3-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/368-2-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/224-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/224-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/224-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/224-18-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/224-17-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC5A2.tmp	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148757"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148757"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148757"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440580922"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3166373721"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E80EBA56-B6C8-11EF-91C3-CAF61997B0B0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3161373948"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3161373948"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe
224	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1136	iexplore.exe
1136	iexplore.exe
4960	IEXPLORE.EXE
4960	IEXPLORE.EXE
4960	IEXPLORE.EXE
4960	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 224	368	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe	83
PID 368 wrote to memory of 224	368	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe	83
PID 368 wrote to memory of 224	368	b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe	83
PID 224 wrote to memory of 1136	224	DesktopLayer.exe	84
PID 224 wrote to memory of 1136	224	DesktopLayer.exe	84
PID 1136 wrote to memory of 4960	1136	iexplore.exe	85
PID 1136 wrote to memory of 4960	1136	iexplore.exe	85
PID 1136 wrote to memory of 4960	1136	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe
"C:\Users\Admin\AppData\Local\Temp\b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:368
- C:\Program Files (x86)\Microsoft\DesktopLayer.exe
  "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:224
- - 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:1136
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
78KB

MD5
f3422fabecb13b5c9c67a2d5fe46cbb1

SHA1
26a53d7a36bc44091a12409c9e44b5476e7b7c47

SHA256
b9ff92598431329c63ba860b57b555f2a7c1f031d5e845854affdc7fef8f5d88

SHA512
ffde33610397fbd0a4673fd753d0775cf82e10bab333a41fa2c6029a71354dfab119dde486e09539042d5306644f76b49f9ae2e2c5237f113b382ee1e87b24ff

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
2d1847b341a938389fc5b14b0bcd9eb2

SHA1
4036e71c4002e7ee173d59dc84a9cb5aa1390d34

SHA256
275c7427c6238d335e521a313e6cff2357b16e645202f11e3433cd56539ccc32

SHA512
384e910821ee8b786f70b5358f120cb3aea47f0e50d1f5c6e4c7304435c7d88f2c5ac9027c73823916149a369ac1c7640c18b13db8e6ee740c963e1b8bd51428

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
b0628d9f38f9678ef31e5c60c1258fdd

SHA1
e0ebe28b7d9498b565c2f391ded3f1e1a31a424d

SHA256
0181276e42252443376a2d987797a12df096c7baddea43bc5435b38b9015c236

SHA512
e6977b5f80294a6046a2e8be30838387633c9012de31815fc5c3024f7c787434c4dc4144ea1cc445d2337862e072f769dabb49830b4120ea7b6661d6eb3f9603

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/224-18-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/224-12-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/224-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/368-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/368-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/368-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/368-1-0x00000000004C0000-0x00000000004C2000-memory.dmp

Filesize
8KB

Download