ramnit | e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

General

Target

JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe
Size

61KB
MD5

1e28b93df4dc13ba183d7cac665bc45e
SHA1

9f91ec079b5033516398e65970431602ba51647c
SHA256

e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf
SHA512

f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331
SSDEEP

1536:5TT95bRCdsKmz7NYhojPK9rM6eC19bSg/uJ:p95AqNYhcPKFMEjZA

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
3492	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2856-0-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/memory/2856-2-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x000d000000023b36-5.dat	upx
behavioral2/memory/3492-9-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/memory/3492-11-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7E58.tmp	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A16E59E6-DA10-11EF-91C3-4E8E92B54298} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157789"	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\DomainSuggestion\FileNames\en-US = "en-US.1"	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\Main\WindowsSearch\Version = "WS not running"	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
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\DomainSuggestion\NextUpdateDate = "444460018"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157789"	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\Main\CompatibilityFlags = "0"	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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\LastCheckForUpdateLowDateTime = "1980677292"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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 (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1976926730"	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	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe
3492	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1492	iexplore.exe
1492	iexplore.exe
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE
3096	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 3492	2856	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe	83
PID 2856 wrote to memory of 3492	2856	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe	83
PID 2856 wrote to memory of 3492	2856	JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe	83
PID 3492 wrote to memory of 1492	3492	DesktopLayer.exe	84
PID 3492 wrote to memory of 1492	3492	DesktopLayer.exe	84
PID 1492 wrote to memory of 3096	1492	iexplore.exe	85
PID 1492 wrote to memory of 3096	1492	iexplore.exe	85
PID 1492 wrote to memory of 3096	1492	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e28b93df4dc13ba183d7cac665bc45e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:3492
- - 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:1492
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1492 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3096

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

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

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

Filesize
471B

MD5
dc142ff8759ecb81417ba231bbcf25d0

SHA1
201681d524cde8af5c11b5111f5fa697521c5739

SHA256
d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

SHA512
b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

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

Filesize
404B

MD5
0d0f316acc78cc3d189e6613a13d2b37

SHA1
81f0e6a2471eb6bf3ab4816d5741a1deedc7d2cf

SHA256
8ab58708d4702b8cb12b607e1f4f093ddca4b6fd8bff1a2b3f6df61d318d7590

SHA512
3f0c0ccd1a344a36716bd33771e2a33361bdef4c5db01af810afa2751d3c01d23e98ba5b58e73a4a3712a67e7871baf5ab92985f03148a7c980eada05bee388c

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/2856-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2856-1-0x00000000009D0000-0x00000000009E0000-memory.dmp

Filesize
64KB

Download
memory/2856-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3492-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3492-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3492-8-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download

Analysis

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