ramnit | 1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a

Analysis

max time kernel
91s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 23:03

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General

Target

1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe
Size

182KB
MD5

467ee091873ec9352e515cd829f426a0
SHA1

9b1976f6dd65d04e73895794c2c23a37e64b36f5
SHA256

1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a
SHA512

18340ee8507ec9df76c8f1a0cf57a5a0334ea98a9a9cbc9fa98980169c21e4c4a82d8d69475b3144045e75cf5fbbdc59d6cac0f2ffb5bfe20d0b8fedcc9e9f54
SSDEEP

1536:JVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:5nxwgxgfR/DVG7wBpE

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

pid	Process
4832	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4924-134-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-135-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-140-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4832-146-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-147-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-148-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-149-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-150-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-151-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-152-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-153-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/4832-154-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7C78.tmp	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3432	3596	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B9913F0B-5833-11ED-89AC-CA2A13AD51D0} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2578586716"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2621554980"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2578586716"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993472"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993472"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993472"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373886448"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993472"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2621554980"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe
4832	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2008	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2008	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2008	iexplore.exe
2008	iexplore.exe
3176	IEXPLORE.EXE
3176	IEXPLORE.EXE
3176	IEXPLORE.EXE
3176	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4924	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe
4832	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 4832	4924	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe	82
PID 4924 wrote to memory of 4832	4924	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe	82
PID 4924 wrote to memory of 4832	4924	1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe	82
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 3596	4832	WaterMark.exe	83
PID 4832 wrote to memory of 2008	4832	WaterMark.exe	85
PID 4832 wrote to memory of 2008	4832	WaterMark.exe	85
PID 4832 wrote to memory of 5012	4832	WaterMark.exe	86
PID 4832 wrote to memory of 5012	4832	WaterMark.exe	86
PID 2008 wrote to memory of 3176	2008	iexplore.exe	88
PID 2008 wrote to memory of 3176	2008	iexplore.exe	88
PID 2008 wrote to memory of 3176	2008	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe
"C:\Users\Admin\AppData\Local\Temp\1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3596
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 204
      4⤵
      Program crash
      PID:3432
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2008
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3176
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3596 -ip 3596
1⤵
PID:4572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
182KB

MD5
467ee091873ec9352e515cd829f426a0

SHA1
9b1976f6dd65d04e73895794c2c23a37e64b36f5

SHA256
1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a

SHA512
18340ee8507ec9df76c8f1a0cf57a5a0334ea98a9a9cbc9fa98980169c21e4c4a82d8d69475b3144045e75cf5fbbdc59d6cac0f2ffb5bfe20d0b8fedcc9e9f54

Download Submit
C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
182KB

MD5
467ee091873ec9352e515cd829f426a0

SHA1
9b1976f6dd65d04e73895794c2c23a37e64b36f5

SHA256
1111ca5d87ee2c918e7c773c5a3e11d946754d83c7aa53b44f5630371c30e04a

SHA512
18340ee8507ec9df76c8f1a0cf57a5a0334ea98a9a9cbc9fa98980169c21e4c4a82d8d69475b3144045e75cf5fbbdc59d6cac0f2ffb5bfe20d0b8fedcc9e9f54

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86C

Filesize
779B

MD5
004e1f9f2b4726e5564e16c49fb4a831

SHA1
b57e588e3371a7fee13eaa737aefdf4e126dcf51

SHA256
bad8f107566ae2c13676df6b3c67da0642b6c850a6705acac03f460a6adb8dab

SHA512
5971b426d98c2f4e66708d490f513d66f85b89aa31479ec8e60e6b54b2afe32b77cf8d853d367f5ee173685129d0ba179739be5cf72a11a641d1cee6a28c75c4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\69C6F6EC64E114822DF688DC12CDD86C

Filesize
246B

MD5
19904c11ccdb283e58ed27889bc0eb00

SHA1
421c8379bf765f6e04a57e2fe4811373385bc558

SHA256
9702fc27e6c9c82f8fdfe71f246da5565637338732d29d882e2659c1190834c6

SHA512
6bf526bff57e1eed3a01691483ee02c27d1e68f2bf6edc34e21fbf2d982f23ab2c87a52a9d78bbe67e361ff2fc55c5e68a016bd3eac18a275a4c88385d58682a

Download Submit
memory/4832-147-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-146-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-148-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-149-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-150-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-151-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-152-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-153-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4832-154-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-140-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-134-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download