ramnit | f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a

Analysis

max time kernel
74s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 15:49

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General

Target

f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe
Size

115KB
MD5

04455490197eeaa89788d08e802edff1
SHA1

acee015279ffdff17f7be9221104cf13455df5eb
SHA256

f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a
SHA512

fb6bc692ffc222eb7a4c1b4f4b009f0f771249cc9d9df73c02bede8419f63cc86f908571e63998dfa85721a600413496266b1c845866419a0e6f1159c2041a31
SSDEEP

3072:8T2xNfzEmPUac0yCRS9EK0TLmTFOi/dhF:8kPpe0mTn/b

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
2024	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4992-134-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4992-135-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4992-138-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2024-146-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-147-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-148-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-151-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-152-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-153-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/2024-154-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCA88.tmp	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	3336	WerFault.exe	84

Modifies Internet Explorer settings 1 TTPs 49 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7AA360BB-5F3F-11ED-A0EE-46E60354FB13} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995276"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995276"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1357029184"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1328747124"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1328903922"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995276"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1357029184"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995276"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1328747124"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995276"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7AA387CB-5F3F-11ED-A0EE-46E60354FB13} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995276"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1328903922"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374661152"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe
2024	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2220	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2220	iexplore.exe
2972	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2220	iexplore.exe
2220	iexplore.exe
2972	iexplore.exe
2972	iexplore.exe
236	IEXPLORE.EXE
236	IEXPLORE.EXE
232	IEXPLORE.EXE
232	IEXPLORE.EXE
236	IEXPLORE.EXE
236	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4992	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe
2024	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 2024	4992	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe	83
PID 4992 wrote to memory of 2024	4992	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe	83
PID 4992 wrote to memory of 2024	4992	f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe	83
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 3336	2024	WaterMark.exe	84
PID 2024 wrote to memory of 2972	2024	WaterMark.exe	88
PID 2024 wrote to memory of 2972	2024	WaterMark.exe	88
PID 2024 wrote to memory of 2220	2024	WaterMark.exe	89
PID 2024 wrote to memory of 2220	2024	WaterMark.exe	89
PID 2220 wrote to memory of 236	2220	iexplore.exe	90
PID 2220 wrote to memory of 236	2220	iexplore.exe	90
PID 2220 wrote to memory of 236	2220	iexplore.exe	90
PID 2972 wrote to memory of 232	2972	iexplore.exe	91
PID 2972 wrote to memory of 232	2972	iexplore.exe	91
PID 2972 wrote to memory of 232	2972	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe
"C:\Users\Admin\AppData\Local\Temp\f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4992
- 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:2024
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 208
      4⤵
      Program crash
      PID:3060
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2972 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:232
- - 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:2220
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2220 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3336 -ip 3336
1⤵
PID:2264

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
115KB

MD5
04455490197eeaa89788d08e802edff1

SHA1
acee015279ffdff17f7be9221104cf13455df5eb

SHA256
f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a

SHA512
fb6bc692ffc222eb7a4c1b4f4b009f0f771249cc9d9df73c02bede8419f63cc86f908571e63998dfa85721a600413496266b1c845866419a0e6f1159c2041a31

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

Filesize
115KB

MD5
04455490197eeaa89788d08e802edff1

SHA1
acee015279ffdff17f7be9221104cf13455df5eb

SHA256
f27ee0e4bd1f002701ed8809cb05ff311e6e8379b0bfac8b058b78eaa990901a

SHA512
fb6bc692ffc222eb7a4c1b4f4b009f0f771249cc9d9df73c02bede8419f63cc86f908571e63998dfa85721a600413496266b1c845866419a0e6f1159c2041a31

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7AA360BB-5F3F-11ED-A0EE-46E60354FB13}.dat

Filesize
3KB

MD5
0ecc06d8412cbadd27cc2de22cbca402

SHA1
11f4b1df0cad3cbf54f42eefe7338cc0665007f1

SHA256
d86d2a50369169342d5b1a99cd346a85d49341021055ec35f4a5292d97e9ee5b

SHA512
dbd56b8d1d5909d93c30fe02cc3f8700ff1ae9239e015fe0e64027a364196c757fc55efea0ba36200ad896d8a2b30934f2df8d54c21c0501f1f22a5b94c58e44

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7AA387CB-5F3F-11ED-A0EE-46E60354FB13}.dat

Filesize
5KB

MD5
6dd181522965ece972e70dc602c369fb

SHA1
eb6a064d62e48c183ddc729ec09576e3836205eb

SHA256
d66c7396e9950728aacd6b28b6eb3d1be8dd668d5573c9d3a6ecfe8f596a6c8e

SHA512
fb62a8679441f1d87ce8c24a73efcb7c8632f342f170f394fbba282390e2e6628933de786e60277673a45a5de3103679e0ea964687118059a6995477b4c6b5cd

Download Submit
memory/2024-147-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-146-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-151-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-152-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-153-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2024-154-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4992-134-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4992-138-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4992-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download