ramnit | df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089

General

Target

df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe
Size

1.5MB
MD5

d92e33336041008bf7b74c22e1809fe0
SHA1

2e729a9125574bd1c002320db1a22d5ab0dfeb4b
SHA256

df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089
SHA512

dae4f4783e85ded8eaf8948761fd8c8979d5e6547f7f961eca7b6dd5a44e97896a33cd2798c0df694e05c04bc23c10180cb3b3fcb9cff3f03787fc2ae20badf0
SSDEEP

24576:9Au5g2JdHjG1jcfJjdywpTsvTo3gDsUR/iiG3F/Bw2jKk3cif6RIKWX:FbTDG1jcxjIwpTcNDsUxi/Jwe1cii2K

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 2 IoCs

pid	Process
4736	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe
668	DesktopLayer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1788	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c94-3.dat	upx
behavioral2/memory/4736-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/668-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/668-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9FAB.tmp	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.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	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.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 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2356354585"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158021"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B781ACCA-DAF8-11EF-B9D5-468C69F2ED48} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444559699"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2353073567"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158021"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe
668	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1788	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe
2256	iexplore.exe
2256	iexplore.exe
4464	IEXPLORE.EXE
4464	IEXPLORE.EXE
4464	IEXPLORE.EXE
4464	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 4736	1788	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe	83
PID 1788 wrote to memory of 4736	1788	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe	83
PID 1788 wrote to memory of 4736	1788	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe	83
PID 4736 wrote to memory of 668	4736	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe	84
PID 4736 wrote to memory of 668	4736	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe	84
PID 4736 wrote to memory of 668	4736	df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe	84
PID 668 wrote to memory of 2256	668	DesktopLayer.exe	85
PID 668 wrote to memory of 2256	668	DesktopLayer.exe	85
PID 2256 wrote to memory of 4464	2256	iexplore.exe	86
PID 2256 wrote to memory of 4464	2256	iexplore.exe	86
PID 2256 wrote to memory of 4464	2256	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe
"C:\Users\Admin\AppData\Local\Temp\df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089N.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe
  C:\Users\Admin\AppData\Local\Temp\df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:668
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2256
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2256 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
471B

MD5
ce36378334f2edb4e728e0632afebb70

SHA1
89d54efcb8c7bbe532e5ad91b38468279d3f5c93

SHA256
6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

SHA512
3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

Filesize
404B

MD5
3e9aa4ee41c4908dba24b3d5057c6022

SHA1
ce357de57c0f9cee52d31d7a671761859fb876d7

SHA256
66cca10effa9fe2f9239317116c25adb6705fb2a71e6bb0ce54a196ffe110b84

SHA512
92af71f4ab3e24e954e46c064cf07f50f192129c2514074fd3b2a514d09d328d1eed1dd15488ab571ed73007ffff89c82026afa86e7a95c5b724e5c4d667ffab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\df6a4d5c413471913c0f7c785a8073f41ac0824174209d40f70b56adddf37089NSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/668-11-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/668-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/668-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1788-0-0x0000000000400000-0x000000000083C000-memory.dmp

Filesize
4.2MB

Download
memory/1788-17-0x0000000000400000-0x000000000083C000-memory.dmp

Filesize
4.2MB

Download
memory/4736-7-0x0000000000550000-0x000000000055F000-memory.dmp

Filesize
60KB

Download
memory/4736-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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