ramnit | e4420e94466c2b5d706dadf5c87ca47351a6e5d414cda5412f96a181a23b1cd7

Analysis

max time kernel
80s
max time network
90s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 18:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1c1d55781c8af09004cfeb04baeb5fc4_JaffaCakes118.dll
Size

337KB
MD5

1c1d55781c8af09004cfeb04baeb5fc4
SHA1

542de04aa7fd7e720a60c686b55aa63347eeb101
SHA256

e4420e94466c2b5d706dadf5c87ca47351a6e5d414cda5412f96a181a23b1cd7
SHA512

706dcf2219cfb678ac30c7d7fa285248c48dbe931593a19d54b54c9bbf0659e65e75e4fe095d18bcbcb86a3d9bc521785bb73c5c2518a6c7578ef58b39c82459
SSDEEP

6144:bN0yr1sO/wIKS0FKtOT/OrDtgUi0uvQee7Qee/0QeesQeeglQeekQeeDC7MdqyMU:RG6wndYtamDSU1GqyMA5

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:

regsvr32mgr.exeWaterMark.exe

pid process

1424 regsvr32mgr.exe
4968 WaterMark.exe

pid	process
1424	regsvr32mgr.exe
4968	WaterMark.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1424-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4968-27-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/4968-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1424-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4968-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Drops file in Program Files directory 3 IoCs

Processes:

regsvr32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px5FC3.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5008 1760 WerFault.exe svchost.exe

pid	pid_target	process	target process
5008	1760	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 16 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A8B0B8AA-37DA-11EF-BA70-CEC6030110C3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426021653"	iexplore.exe

Modifies registry class 4 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C58F1580-0DF3-401C-93B1-2D9DDA61CF04}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe
4968	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 4968 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4744 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4744 iexplore.exe
4744 iexplore.exe
3284 IEXPLORE.EXE
3284 IEXPLORE.EXE
3284 IEXPLORE.EXE
3284 IEXPLORE.EXE
Suspicious use of UnmapMainImage 2 IoCs

Processes:

regsvr32mgr.exeWaterMark.exe

pid process

1424 regsvr32mgr.exe
4968 WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	4968	WaterMark.exe

pid	process
4744	iexplore.exe

pid	process
4744	iexplore.exe
4744	iexplore.exe
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE
3284	IEXPLORE.EXE

pid	process
1424	regsvr32mgr.exe
4968	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

regsvr32.exeregsvr32.exeregsvr32mgr.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 3760 wrote to memory of 2516	3760	regsvr32.exe	regsvr32.exe
PID 3760 wrote to memory of 2516	3760	regsvr32.exe	regsvr32.exe
PID 3760 wrote to memory of 2516	3760	regsvr32.exe	regsvr32.exe
PID 2516 wrote to memory of 1424	2516	regsvr32.exe	regsvr32mgr.exe
PID 2516 wrote to memory of 1424	2516	regsvr32.exe	regsvr32mgr.exe
PID 2516 wrote to memory of 1424	2516	regsvr32.exe	regsvr32mgr.exe
PID 1424 wrote to memory of 4968	1424	regsvr32mgr.exe	WaterMark.exe
PID 1424 wrote to memory of 4968	1424	regsvr32mgr.exe	WaterMark.exe
PID 1424 wrote to memory of 4968	1424	regsvr32mgr.exe	WaterMark.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 1760	4968	WaterMark.exe	svchost.exe
PID 4968 wrote to memory of 4744	4968	WaterMark.exe	iexplore.exe
PID 4968 wrote to memory of 4744	4968	WaterMark.exe	iexplore.exe
PID 4968 wrote to memory of 380	4968	WaterMark.exe	iexplore.exe
PID 4968 wrote to memory of 380	4968	WaterMark.exe	iexplore.exe
PID 4744 wrote to memory of 3284	4744	iexplore.exe	IEXPLORE.EXE
PID 4744 wrote to memory of 3284	4744	iexplore.exe	IEXPLORE.EXE
PID 4744 wrote to memory of 3284	4744	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c1d55781c8af09004cfeb04baeb5fc4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3760

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1c1d55781c8af09004cfeb04baeb5fc4_JaffaCakes118.dll
2⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\SysWOW64\regsvr32mgr.exe
C:\Windows\SysWOW64\regsvr32mgr.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1424

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 204
6⤵
- Program crash
PID:5008

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:4744

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4744 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3284

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1760 -ip 1760
1⤵
PID:4896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\regsvr32mgr.exe
Filesize
96KB

MD5
8c51fd9d6daa7b6137634de19a49452c

SHA1
db2a11cca434bacad2bf42adeecae38e99cf64f8

SHA256
528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

SHA512
b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

Download Submit
memory/1424-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-14-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/1424-5-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1424-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1424-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1760-32-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1760-31-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2516-1-0x0000000074B80000-0x0000000074BD7000-memory.dmp

Filesize
348KB

Download
memory/4968-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4968-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4968-30-0x0000000077202000-0x0000000077203000-memory.dmp

Filesize
4KB

Download
memory/4968-27-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4968-28-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4968-33-0x0000000077202000-0x0000000077203000-memory.dmp

Filesize
4KB

Download
memory/4968-34-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download