ramnit | accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee

Analysis

max time kernel
91s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 09:48

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General

Target

accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe
Size

111KB
MD5

a0359b9f9f24d542ea9810aba26cede0
SHA1

6a30a7a6418aed56c2e7c88a4128b8c94c4dd0c4
SHA256

accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee
SHA512

9c00c64ea988be46464ba3a01fe1fc7375555f6f5c1f09b9bb158351d4854eae17569e2ff74c51bd23f5adbbad2b56d4be79bf0d4e5328c233b2c7d9c1b724dc
SSDEEP

3072:bROzoTq0+RO7IwnYLdxZ4j8givE8hcRoAqZ:dkdNwBg4j8gisjoAqZ

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
1392	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3940-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3940-2-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000c000000023b8b-5.dat	upx
behavioral1/memory/3940-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1392-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1392-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAF4B.tmp	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.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	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E8BDA5D8-A8B6-11EF-ADF2-CAFD856C81B1} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3174868588"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439033876"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3174868588"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145155"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31145155"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3177837811"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145155"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe
1392	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2908	iexplore.exe
2908	iexplore.exe
1144	IEXPLORE.EXE
1144	IEXPLORE.EXE
1144	IEXPLORE.EXE
1144	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1392	3940	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe	84
PID 3940 wrote to memory of 1392	3940	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe	84
PID 3940 wrote to memory of 1392	3940	accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe	84
PID 1392 wrote to memory of 2908	1392	DesktopLayer.exe	85
PID 1392 wrote to memory of 2908	1392	DesktopLayer.exe	85
PID 2908 wrote to memory of 1144	2908	iexplore.exe	86
PID 2908 wrote to memory of 1144	2908	iexplore.exe	86
PID 2908 wrote to memory of 1144	2908	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe
"C:\Users\Admin\AppData\Local\Temp\accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- 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:1392
- - 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:2908
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2908 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1144

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
111KB

MD5
a0359b9f9f24d542ea9810aba26cede0

SHA1
6a30a7a6418aed56c2e7c88a4128b8c94c4dd0c4

SHA256
accbb992d5092be5b5fcbb8b0d45ca87884d6cc7d209f17b9799a9cadb4063ee

SHA512
9c00c64ea988be46464ba3a01fe1fc7375555f6f5c1f09b9bb158351d4854eae17569e2ff74c51bd23f5adbbad2b56d4be79bf0d4e5328c233b2c7d9c1b724dc

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

Filesize
471B

MD5
a5d59031144ac6ab3dbf6358566aa618

SHA1
f6fb4567bbfd07f0df27083b36a179e00c263c5d

SHA256
039ec47b1e431e2555dc8da6bff06a3c78b242c01c9553286128c0f94d4c55ff

SHA512
a3049b32be6a7e8a4b1522d32df205e6433fa81fd540893ca917eb6ca33f51f79ec5571f144727bf145f00a457b4705942f0c55c85ddad96a227465345fc866f

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

Filesize
404B

MD5
bbfd305e67b6f1896dba2ad7e2ffa236

SHA1
25ee1883d0fbfd9bf66f811a4fb0ef6e891bd3ea

SHA256
494d9986fca566f3dadc0f4d3976732c16a3f583f934d5c263d09e6110aad78b

SHA512
e0e15a840a7b4ec655fd1eaeafa69e2935b0174c8731514e5eca030b263c49393831b17f36185e8d71abb3d56af7e8c272732f9dbab46d3cc7923e2acbb9e9d9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1392-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1392-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1392-10-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/3940-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3940-1-0x0000000000440000-0x000000000044F000-memory.dmp

Filesize
60KB

Download
memory/3940-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3940-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download