ramnit | 0bd958c61d2ebeceafa9d1cfc35d9f22f4d8ae29d6721c675dcc220f524a9263

General

Target

JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe
Size

106KB
MD5

451906dd4f60038febb3fbffd974e413
SHA1

cf02b4e0af3aae52852967a97f9b2091dc0ec978
SHA256

0bd958c61d2ebeceafa9d1cfc35d9f22f4d8ae29d6721c675dcc220f524a9263
SHA512

ce2cf03a5bf44a5e35ddc9e3078a88d01675d6af55a49262bcefa13439c7a40442d329436634a250137fed107dfa94b8f8b0409355e99101c99ed6e568b490d1
SSDEEP

1536:33j72srzVRv7Kf4AH+pdcDJVoYMeKTn1CQAE/G1F6Ra0:HusXjTuoaD6eK71CQzm6t

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
1104	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4376-2-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4376-3-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4376-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1104-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1104-12-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9A5B.tmp	JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	JaffaCakes118_451906dd4f60038febb3fbffd974e413.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_451906dd4f60038febb3fbffd974e413.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 (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2931905316"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158626"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444819602"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158626"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2935655129"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DA3B2B4B-DD55-11EF-BDBF-520873AEBE93} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe
1104	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4868	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4868	iexplore.exe
4868	iexplore.exe
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1104	4376	JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe	83
PID 4376 wrote to memory of 1104	4376	JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe	83
PID 4376 wrote to memory of 1104	4376	JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe	83
PID 1104 wrote to memory of 4868	1104	DesktopLayer.exe	84
PID 1104 wrote to memory of 4868	1104	DesktopLayer.exe	84
PID 4868 wrote to memory of 1640	4868	iexplore.exe	85
PID 4868 wrote to memory of 1640	4868	iexplore.exe	85
PID 4868 wrote to memory of 1640	4868	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_451906dd4f60038febb3fbffd974e413.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- 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:1104
- - 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:4868
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4868 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1640

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
106KB

MD5
451906dd4f60038febb3fbffd974e413

SHA1
cf02b4e0af3aae52852967a97f9b2091dc0ec978

SHA256
0bd958c61d2ebeceafa9d1cfc35d9f22f4d8ae29d6721c675dcc220f524a9263

SHA512
ce2cf03a5bf44a5e35ddc9e3078a88d01675d6af55a49262bcefa13439c7a40442d329436634a250137fed107dfa94b8f8b0409355e99101c99ed6e568b490d1

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

Filesize
471B

MD5
65ff4e1a660b03c192195dc09416d8a8

SHA1
c8e9c1b5d0e74e2f581eaa06d77db42ddb2b24b9

SHA256
25f890730498e80c6b85f0ca869917f45af6cadbb427695a615181eac3285dc2

SHA512
3efa3c79d74861659b4e6e97b362fb4943eeae2e81425029bbf407fb2c4c914bc2d2b43bc8164e9ed050cdb24f411a8582e086eb3557227ad79ec2256c5a52ba

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

Filesize
404B

MD5
a8e135391af6c264f150aee103bf1c65

SHA1
96d0b26c57658533af2dd4977b4bd9cef4fe0b16

SHA256
e5260bab9fff82255e3a1bd1b7daeb548c7c963463a40d461943df4365d95371

SHA512
b85303af7ba1e2e4665b8faf82249177fd9d738b3691e3bffc86185fd866169e85b2a842a7f7717c4ee293ed4f0a4c7cbdc8eb9e2b8e6ca954161fe315c12b15

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1104-13-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1104-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1104-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1104-14-0x00000000770F2000-0x00000000770F3000-memory.dmp

Filesize
4KB

Download
memory/4376-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4376-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4376-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4376-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4376-1-0x0000000002180000-0x0000000002182000-memory.dmp

Filesize
8KB

Download

Analysis

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