ramnit | 2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024

General

Target

2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Size

101KB
MD5

f4a0ec3dd3980982fcf309dfefda6df7
SHA1

af325e6c978c10324c5807f599cedfa4fa2ec5c5
SHA256

2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024
SHA512

cea38f929fb7639e2177559aeab42de99a9b419bbd94b2148bbaad0f59c7195029ee038bfe0c488a35aac84ab402d2459f6b8e3cc3e422c7f3f1daac53e49912
SSDEEP

3072:0BKwcvdwuxdWikJwkpGUkAuadtEtHXRKr3ib:0BKwcvdnVkpGUZuaLEtHXRKmb

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
4560	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe
1988	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023c5b-3.dat	upx
behavioral2/memory/4560-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4560-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1988-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1988-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1988-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1988-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA7C9.tmp	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.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
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{72F59EEC-D497-11EF-AF2A-7E3D785E6C2E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156388"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156388"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443858216"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1205388085"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1198825501"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Modifies registry class 13 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\ = "vcard_wab_auto_file"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\Content Type = "text/x-vcard"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\" /vcard %1"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wab	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\",1"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard\Extension = ".vcf"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\ = "vCard File"	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe
1988	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3248	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3248	iexplore.exe
3248	iexplore.exe
2204	IEXPLORE.EXE
2204	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 4560	3656	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe	85
PID 3656 wrote to memory of 4560	3656	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe	85
PID 3656 wrote to memory of 4560	3656	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe	85
PID 4560 wrote to memory of 1988	4560	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe	86
PID 4560 wrote to memory of 1988	4560	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe	86
PID 4560 wrote to memory of 1988	4560	2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe	86
PID 1988 wrote to memory of 3248	1988	DesktopLayer.exe	87
PID 1988 wrote to memory of 3248	1988	DesktopLayer.exe	87
PID 3248 wrote to memory of 2204	3248	iexplore.exe	88
PID 3248 wrote to memory of 2204	3248	iexplore.exe	88
PID 3248 wrote to memory of 2204	3248	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe
"C:\Users\Admin\AppData\Local\Temp\2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Local\Temp\2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe
  C:\Users\Admin\AppData\Local\Temp\2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4560
- - 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:1988
  - - 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:3248
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3248 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2204

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2768

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 Information Discovery

1

T1082

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
eec6845b257a7c8f95b25485b3666ae4

SHA1
79e6f675b80bc885bda844e766088a62d84ded75

SHA256
70a3cfb8ce21db27ecfb8143c459eda8218c5f7a0db0945c3117cbf5c180eb6d

SHA512
b6ceaabb99fb2011f9dd6ae4b59e3435c397204fcd4b3168e65d6616a85d49d13f80cd11a191e223609538d4f144103757f730c61acd21f4053bb5ecb6fb4f1f

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

Filesize
404B

MD5
ee7628e1bec44886592f8a7c1aba1c10

SHA1
e1854f4afddcba28492a8a2a3f3ae16f5d02e679

SHA256
0199d57bb09faf1aa8a0d4a17d57dd666e58bb911b998e73504bd7ab8cb11f74

SHA512
13596ad81bfb90447889ba741f9e301838f3d962c7356fc895eb65b62125a1db0dadcf80d0ca6dd3e0d05382719ae9d34a011607c671b58f308ffe30e023c124

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\2bdb6335dd7e0f88be9ad2a2ae36447da628c5e1430ff2fd159cebbcbb0b9024Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1988-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1988-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1988-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1988-16-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1988-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3656-0-0x0000000001000000-0x000000000101D000-memory.dmp

Filesize
116KB

Download
memory/3656-19-0x0000000001000000-0x000000000101D000-memory.dmp

Filesize
116KB

Download
memory/4560-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4560-5-0x00000000005C0000-0x00000000005CF000-memory.dmp

Filesize
60KB

Download
memory/4560-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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