ramnit | 9a093bd4022cfc4b7b455e84081d4347a749a856c2ec58d0e69c57a8738c7bbc

General

Target

JaffaCakes118_0c50d216390548b09583801e20f742d7.dll
Size

260KB
MD5

0c50d216390548b09583801e20f742d7
SHA1

1185e77d22867ef88fc7934aa65d11840f3e20b5
SHA256

9a093bd4022cfc4b7b455e84081d4347a749a856c2ec58d0e69c57a8738c7bbc
SHA512

f65e17ce3065e5be7adc714b487aeba09df62abe36067ccc3ada18ba4372fc33fede7d8a07f72a925a7383894a5c202f582b1ef788ed9d812b4182639bb4f1e9
SSDEEP

3072:jZmu9K33WSwdJ/tILtAPrL+oxdvKjD4NxBbwsp+OkE8juIcyFkOmWWVGZCF/GzAH:j8b33QqUrSJqBbcjuI5FCWWs0FuUH

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
2216	rundll32mgr.exe
3700	WaterMark.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2216-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3700-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3700-26-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/2216-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3700-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3700-39-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/3700-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3700-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9710.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2596	2612	WerFault.exe	88

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "69954623"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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 (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444302631"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "68235239"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157423"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2F9956AB-D8A2-11EF-B319-E24E87F0D14E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157423"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe
3700	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5020	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5020	iexplore.exe
5020	iexplore.exe
4272	IEXPLORE.EXE
4272	IEXPLORE.EXE
4272	IEXPLORE.EXE
4272	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2216	rundll32mgr.exe
3700	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4808	1168	rundll32.exe	85
PID 1168 wrote to memory of 4808	1168	rundll32.exe	85
PID 1168 wrote to memory of 4808	1168	rundll32.exe	85
PID 4808 wrote to memory of 2216	4808	rundll32.exe	86
PID 4808 wrote to memory of 2216	4808	rundll32.exe	86
PID 4808 wrote to memory of 2216	4808	rundll32.exe	86
PID 2216 wrote to memory of 3700	2216	rundll32mgr.exe	87
PID 2216 wrote to memory of 3700	2216	rundll32mgr.exe	87
PID 2216 wrote to memory of 3700	2216	rundll32mgr.exe	87
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 2612	3700	WaterMark.exe	88
PID 3700 wrote to memory of 5020	3700	WaterMark.exe	92
PID 3700 wrote to memory of 5020	3700	WaterMark.exe	92
PID 3700 wrote to memory of 2984	3700	WaterMark.exe	93
PID 3700 wrote to memory of 2984	3700	WaterMark.exe	93
PID 5020 wrote to memory of 4272	5020	iexplore.exe	95
PID 5020 wrote to memory of 4272	5020	iexplore.exe	95
PID 5020 wrote to memory of 4272	5020	iexplore.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c50d216390548b09583801e20f742d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c50d216390548b09583801e20f742d7.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2216
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:3700
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2612
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 204
        6⤵
        Program crash
        
        PID:2596
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:5020
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5020 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4272
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2612 -ip 2612
1⤵
PID:612

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
fbd57568c7e969025fd7a77d6a9e5f45

SHA1
d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

SHA256
b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

SHA512
c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

Filesize
404B

MD5
33f966b3fe659729efc5e83aea2a4720

SHA1
fc711d25c8d78c7e70e990f00f2899be059503cb

SHA256
ea92a658d834e953e3d7d5f1def5ed052b59860e2602811d557a4cdb1a1e9e8d

SHA512
28c519cc0035ed8ff5a0c181f65816589b7fc2bcdc716d866e18dfb5a76aad622c43fbf5cbbb6df7bbec138c83554cd3cdd4b60290cfe54d3ab265f207f0d5c4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
117KB

MD5
0c00db0a3b1e96c4e73428454f3a5b3d

SHA1
cae348375b0e76565de8ace6d8395b52d5d98c2c

SHA256
2afdcc089299160da7c303bc24a426db98a374b16a7b536173b62bd1ea9362d7

SHA512
64bfebad17c33f1c91a92128226d544866f587445b9ca076c586dedab03e92c927f41f4dfb9e7be65657aa9cb930e9f30c6e7daff751237c5a70e01b6a55ca8b

Download Submit
memory/2216-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2216-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-31-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2216-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-12-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/2612-35-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2612-36-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/3700-26-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3700-29-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3700-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3700-37-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/3700-38-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3700-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3700-39-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3700-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3700-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3700-33-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/4808-0-0x0000000075430000-0x0000000075473000-memory.dmp

Filesize
268KB

Download

Analysis

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