ramnit | 1215b3ff9a131f20d61a10153d89a86b98935ded2f0a32efdc948dc6b530fc98

General

Target

1215b3ff9a131f20d61a10153d89a86b98935ded2f0a32efdc948dc6b530fc98.dll
Size

298KB
MD5

c290492d7a50c57952e53fb9933bd979
SHA1

6d1cd31beedd962f966b4fbbbd8f595d1cf91aef
SHA256

1215b3ff9a131f20d61a10153d89a86b98935ded2f0a32efdc948dc6b530fc98
SHA512

6c640bae331a3e6f4b4b87bc9ad89974b830967a4567d24bf90663fab6abc4e48d6bb04c307adf8d8a25938de44702bd81137a18f3929b6a94986783c879f6ca
SSDEEP

6144:WxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01b:WxGCOXzURlbDC9K69u2m+SqOWcsQQKiD

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 1 IoCs

Processes:

rundll32mgr.exe

pid process

512 rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/512-138-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/512-139-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/512-140-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/512-141-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/512-142-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4360 4248 WerFault.exe rundll32.exe

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

pid	pid_target	process	target process
4360	4248	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3847207838"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999395"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999395"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3847207838"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376430501"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1097816C-6F57-11ED-B696-466E527D41B2} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rundll32mgr.exe

pid	process
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe
512	rundll32mgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4916 iexplore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32mgr.exe

description pid process

Token: SeDebugPrivilege 512 rundll32mgr.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4916 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4916 iexplore.exe
4916 iexplore.exe
1548 IEXPLORE.EXE
1548 IEXPLORE.EXE
1548 IEXPLORE.EXE
1548 IEXPLORE.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

rundll32mgr.exe

pid process

512 rundll32mgr.exe

pid	process
4916	iexplore.exe

description	pid	process
Token: SeDebugPrivilege	512	rundll32mgr.exe

pid	process
4916	iexplore.exe

pid	process
4916	iexplore.exe
4916	iexplore.exe
1548	IEXPLORE.EXE
1548	IEXPLORE.EXE
1548	IEXPLORE.EXE
1548	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exerundll32mgr.exeiexplore.exe

description	pid	process	target process
PID 2620 wrote to memory of 4248	2620	rundll32.exe	rundll32.exe
PID 2620 wrote to memory of 4248	2620	rundll32.exe	rundll32.exe
PID 2620 wrote to memory of 4248	2620	rundll32.exe	rundll32.exe
PID 4248 wrote to memory of 512	4248	rundll32.exe	rundll32mgr.exe
PID 4248 wrote to memory of 512	4248	rundll32.exe	rundll32mgr.exe
PID 4248 wrote to memory of 512	4248	rundll32.exe	rundll32mgr.exe
PID 512 wrote to memory of 4916	512	rundll32mgr.exe	iexplore.exe
PID 512 wrote to memory of 4916	512	rundll32mgr.exe	iexplore.exe
PID 4916 wrote to memory of 1548	4916	iexplore.exe	IEXPLORE.EXE
PID 4916 wrote to memory of 1548	4916	iexplore.exe	IEXPLORE.EXE
PID 4916 wrote to memory of 1548	4916	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1215b3ff9a131f20d61a10153d89a86b98935ded2f0a32efdc948dc6b530fc98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1215b3ff9a131f20d61a10153d89a86b98935ded2f0a32efdc948dc6b530fc98.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4248

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:512

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4916

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4916 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 640
3⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4248 -ip 4248
1⤵
PID:2140

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
85KB

MD5
b4e5d5a3e41418d74e32471ee3200155

SHA1
fb0f3af51e7d079c58ea4774096e659b7b188b9c

SHA256
084d25d03f99b468eb590ae972af19944625512cdbddc03fd999685b1fdb959d

SHA512
b773b2da0c695bc592b3870ddb4d3d0c42c00aaae73dd4a668819fcd8968d87394bc4e6e4b4bb990f3303539a310722beb9fcf7e86d08019ea4c63c9c4d22165

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
85KB

MD5
b4e5d5a3e41418d74e32471ee3200155

SHA1
fb0f3af51e7d079c58ea4774096e659b7b188b9c

SHA256
084d25d03f99b468eb590ae972af19944625512cdbddc03fd999685b1fdb959d

SHA512
b773b2da0c695bc592b3870ddb4d3d0c42c00aaae73dd4a668819fcd8968d87394bc4e6e4b4bb990f3303539a310722beb9fcf7e86d08019ea4c63c9c4d22165

Download Submit
memory/512-134-0x0000000000000000-mapping.dmp

Download
memory/512-137-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/512-138-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/512-139-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/512-140-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/512-141-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/512-142-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4248-132-0x0000000000000000-mapping.dmp

Download
memory/4248-133-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/4248-143-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads