ramnit | d450c1670548d8aa8f824db88d29551ec716eff4cfe1d5bada83fa7590333f6d

General

Target

6b5af6ff485715df9a63fc76c76c4638_JaffaCakes118.dll
Size

143KB
MD5

6b5af6ff485715df9a63fc76c76c4638
SHA1

4ca0ff9b30a432f2a07f4f3bfb50cb520d05d9ec
SHA256

d450c1670548d8aa8f824db88d29551ec716eff4cfe1d5bada83fa7590333f6d
SHA512

7a2e93e331b51a2ef21c1d80becf096fb352c48e5590babc7f00df96b7471d29cf90041b11c4a294df9b6ced956f3ac1e1159cd6137e17d712bd46494b8ebfb5
SSDEEP

3072:2HDp7pRuKjsir5HZFQGrsUwF7hplPoutjgmTVbXCW8Qnn4Fd5LOi:wRR5rhZFQGrsUwF7vlPoSTTrnn4PUi

Score

10^/10

ramnit banker 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
Executes dropped EXE 2 IoCs

Processes:

rundll32Srv.exeDesktopLayer.exe

pid process

4776 rundll32Srv.exe
444 DesktopLayer.exe

pid	process
4776	rundll32Srv.exe
444	DesktopLayer.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3292-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral2/memory/4776-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3292-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3292-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3292-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3292-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3292-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4776-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/444-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/444-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3292-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxF1E.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3156 3292 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3156	3292	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "257748903"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31108388"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "423242277"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{37DE35A7-1917-11EF-B9F7-5EE34177FBBF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "209778845"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31108388"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "209778845"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31108388"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe
444	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4352 iexplore.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

rundll32.exeiexplore.exeIEXPLORE.EXE

pid process

3292 rundll32.exe
4352 iexplore.exe
4352 iexplore.exe
1116 IEXPLORE.EXE
1116 IEXPLORE.EXE
1116 IEXPLORE.EXE
1116 IEXPLORE.EXE

pid	process
4352	iexplore.exe

pid	process
3292	rundll32.exe
4352	iexplore.exe
4352	iexplore.exe
1116	IEXPLORE.EXE
1116	IEXPLORE.EXE
1116	IEXPLORE.EXE
1116	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 5088 wrote to memory of 3292	5088	rundll32.exe	rundll32.exe
PID 5088 wrote to memory of 3292	5088	rundll32.exe	rundll32.exe
PID 5088 wrote to memory of 3292	5088	rundll32.exe	rundll32.exe
PID 3292 wrote to memory of 4776	3292	rundll32.exe	rundll32Srv.exe
PID 3292 wrote to memory of 4776	3292	rundll32.exe	rundll32Srv.exe
PID 3292 wrote to memory of 4776	3292	rundll32.exe	rundll32Srv.exe
PID 4776 wrote to memory of 444	4776	rundll32Srv.exe	DesktopLayer.exe
PID 4776 wrote to memory of 444	4776	rundll32Srv.exe	DesktopLayer.exe
PID 4776 wrote to memory of 444	4776	rundll32Srv.exe	DesktopLayer.exe
PID 444 wrote to memory of 4352	444	DesktopLayer.exe	iexplore.exe
PID 444 wrote to memory of 4352	444	DesktopLayer.exe	iexplore.exe
PID 4352 wrote to memory of 1116	4352	iexplore.exe	IEXPLORE.EXE
PID 4352 wrote to memory of 1116	4352	iexplore.exe	IEXPLORE.EXE
PID 4352 wrote to memory of 1116	4352	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b5af6ff485715df9a63fc76c76c4638_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b5af6ff485715df9a63fc76c76c4638_JaffaCakes118.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3292

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4776

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:444

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:4352

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4352 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 652
3⤵
- Program crash
PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3292 -ip 3292
1⤵
PID:5036

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:4260

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
bb731d10ae296efa591560e65d7fc776

SHA1
2f5d9d2f70054ff418d8f50cd87208f505d707e3

SHA256
a3a0eed8a3d24d7f58cd8b0996d7f1fa331d9263afaefabaff20989ac2cc8b6e

SHA512
74168436f730f9599511bc88d6bbbd14dbe88defa3e4690dd51c30bb84db701fa3f29c70cb1fcfa16e1060761a5de8c5b7bc0fe7a297d7f74bbf9e92dfc4fc39

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
7253e976a4c95f59ce5869b9b556206e

SHA1
aafb41e95ae32841765dff24b58b4a0d12006556

SHA256
fc466bc0c9cfd099b1ea7e03da819225f24755bac82151513e7ccb34c400ce32

SHA512
58ac4fdffa80a5901ba958c28e760130a488eec7f2defffe45215e61925009a0dd5ee3aae5d0658c97d62b181b7b09265a8e5bc49bfa1e3cd2a2fc537ef99dd1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/444-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/444-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/444-21-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3292-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-14-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/3292-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3292-5-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/4776-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4776-13-0x0000000000480000-0x000000000048F000-memory.dmp

Filesize
60KB

Download
memory/4776-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads