ramnit | efba6d1704192416ce8e9824cfad5f651a13f4df1b4fc15b4a313d2f0c946f23

General

Target

efba6d1704192416ce8e9824cfad5f651a13f4df1b4fc15b4a313d2f0c946f23.dll
Size

276KB
MD5

2460d18dad3bf654f543d9c160674bec
SHA1

c8d60261f409255ea25db425e75b7fd49b2f11aa
SHA256

efba6d1704192416ce8e9824cfad5f651a13f4df1b4fc15b4a313d2f0c946f23
SHA512

ada9db3b9ec55783c6dabac8d0142d0e6ba28e825fa69700edffeca90394d85351d024ca83e844be975245dd619b95fe16dfb395705fa3b682c78d62a706f9db

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

1240 rundll32Srv.exe
1504 DesktopLayer.exe

pid	process
1240	rundll32Srv.exe
1504	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1240-125-0x0000000000400000-0x000000000042E000-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\px1BDA.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

2480 1944 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2480	1944	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30884157"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "326935974"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A3B7385A-AD30-11EB-A11C-C2310878CCDD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2021038458"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30884157"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30884157"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2030100891"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2021038458"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "326984561"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "326952569"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
1504	DesktopLayer.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2480 WerFault.exe
Token: SeBackupPrivilege 2480 WerFault.exe
Token: SeDebugPrivilege 2480 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1872 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1872 iexplore.exe
1872 iexplore.exe
3196 IEXPLORE.EXE
3196 IEXPLORE.EXE

description	pid	process
Token: SeRestorePrivilege	2480	WerFault.exe
Token: SeBackupPrivilege	2480	WerFault.exe
Token: SeDebugPrivilege	2480	WerFault.exe

pid	process
1872	iexplore.exe

pid	process
1872	iexplore.exe
1872	iexplore.exe
3196	IEXPLORE.EXE
3196	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1892 wrote to memory of 1944	1892	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 1944	1892	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 1944	1892	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1240	1944	rundll32.exe	rundll32Srv.exe
PID 1944 wrote to memory of 1240	1944	rundll32.exe	rundll32Srv.exe
PID 1944 wrote to memory of 1240	1944	rundll32.exe	rundll32Srv.exe
PID 1240 wrote to memory of 1504	1240	rundll32Srv.exe	DesktopLayer.exe
PID 1240 wrote to memory of 1504	1240	rundll32Srv.exe	DesktopLayer.exe
PID 1240 wrote to memory of 1504	1240	rundll32Srv.exe	DesktopLayer.exe
PID 1504 wrote to memory of 1872	1504	DesktopLayer.exe	iexplore.exe
PID 1504 wrote to memory of 1872	1504	DesktopLayer.exe	iexplore.exe
PID 1872 wrote to memory of 3196	1872	iexplore.exe	IEXPLORE.EXE
PID 1872 wrote to memory of 3196	1872	iexplore.exe	IEXPLORE.EXE
PID 1872 wrote to memory of 3196	1872	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efba6d1704192416ce8e9824cfad5f651a13f4df1b4fc15b4a313d2f0c946f23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efba6d1704192416ce8e9824cfad5f651a13f4df1b4fc15b4a313d2f0c946f23.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1944

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:1240

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:1504

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:1872

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1872 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
10987a1d727697d22e9613985bf39eba

SHA1
d92fa559cdea14bdc068eb5388f4a8725d9d290c

SHA256
8c026af272e0d8eae1ec8978047926e4bbdb2a7ebe0207a738307150e2ed0063

SHA512
31910362ff1a6afe47a6abe7d77d1056eb1a1531cc027ae33bb34e1b4b788cd7efe2292278b02548e72b1441c86f85a3376ed46edf4c58a247febf4da91dfb87

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
7211870123c65c9c22338add898cd668

SHA1
752a0e56696d4868399ba308e9fe1edc5c85d72e

SHA256
b624e815620ab0a3e4f0ca6c0f6cec9b215150a17cc044cfb567588d54374d01

SHA512
71a01c3b897db9604789a1d5d516b2ed328aa7aac07c7dd0560fdcaad5bbaca799cc66caace7a433b54a8e47d56c35777c5071209ee7cae0432bc7ad01428733

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\TM2DIO1S.cookie
MD5
cf46c1d1f500c51e47fc8502cd19cee2

SHA1
8a46f84ff7006c8e5311538ad59855ce9eaeab21

SHA256
3ec1bad673624107cf699427d62f7d6c4838ebbadcd4570bd6757f49cac286b9

SHA512
95f8112d417d0d525771fddee1cfb16fc00d4cadbc060c69098fe3d76bfe7398b985b27813d1dd791f4a2cd851f80ce425f9ca6e300cc1ba7ecf65e069a99e4b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\TMAMI9ON.cookie
MD5
56865da80f890da386d8058c173f22a5

SHA1
ad286de4f3b33982736a77e12dc083cf390a48c8

SHA256
79092c1f8da011524292b2e0e3f66ea355360a3a0c2576a81498f2dd7f5e2af0

SHA512
af01f6a3ce67cc3ebb854e411e7418095971e3a601dfc7bc8ba889965cc58c2a2238dba6423b536dd22ad7ce468d6ff6f8dac40ee0cef7899610c58f21b557d5

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C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1240-124-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1240-125-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1240-115-0x0000000000000000-mapping.dmp

Download
memory/1504-118-0x0000000000000000-mapping.dmp

Download
memory/1504-121-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/1872-122-0x0000000000000000-mapping.dmp

Download
memory/1872-123-0x00007FFFAA690000-0x00007FFFAA6FB000-memory.dmp

Filesize
428KB

Download
memory/1944-114-0x0000000000000000-mapping.dmp

Download
memory/3196-128-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads