ramnit | 59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095

Analysis

max time kernel
90s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 00:40

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General

Target

59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe
Size

123KB
MD5

0060bacecd724271979e39a875160390
SHA1

786f4cc8ef9c834e6df320f798ae23d491f53cb6
SHA256

59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095
SHA512

bafa131b9b24b76fafc0d8e10c6e70afd70e6257254abdb5c28d3634e10e3089f12b70293654fef17c2c96fba7f081e8828dbd20f7b3e79127440b1f76c80071
SSDEEP

768:F06R0UtgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:zR0Zn3Pc0LCH9MtbvabUDzJYWu3B

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
4592	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4876-135-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4876-136-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4876-140-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4592-147-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-148-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-149-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-150-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-151-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-152-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-153-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4592-154-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC662.tmp	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	4468	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 29 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\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4073434709"	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
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 (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\VersionManager\LastCheckForUpdateHighDateTime = "30993226"	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 (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373780956"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993226"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4065935759"	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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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
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
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1DC728DA-573E-11ED-A0EE-6E8F4548B5DC} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4065935759"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\LastCheckForUpdateHighDateTime = "30993226"	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\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe
4592	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
680	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4592	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
680	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
680	iexplore.exe
680	iexplore.exe
460	IEXPLORE.EXE
460	IEXPLORE.EXE
460	IEXPLORE.EXE
460	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4876	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe
4592	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4592	4876	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe	82
PID 4876 wrote to memory of 4592	4876	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe	82
PID 4876 wrote to memory of 4592	4876	59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe	82
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 4468	4592	WaterMark.exe	83
PID 4592 wrote to memory of 2720	4592	WaterMark.exe	89
PID 4592 wrote to memory of 2720	4592	WaterMark.exe	89
PID 4592 wrote to memory of 680	4592	WaterMark.exe	90
PID 4592 wrote to memory of 680	4592	WaterMark.exe	90
PID 680 wrote to memory of 460	680	iexplore.exe	91
PID 680 wrote to memory of 460	680	iexplore.exe	91
PID 680 wrote to memory of 460	680	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe
"C:\Users\Admin\AppData\Local\Temp\59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4876
- 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:4592
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 204
      4⤵
      Program crash
      PID:2216
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2720
- - 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:680
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:680 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4468 -ip 4468
1⤵
PID:2332

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
123KB

MD5
0060bacecd724271979e39a875160390

SHA1
786f4cc8ef9c834e6df320f798ae23d491f53cb6

SHA256
59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095

SHA512
bafa131b9b24b76fafc0d8e10c6e70afd70e6257254abdb5c28d3634e10e3089f12b70293654fef17c2c96fba7f081e8828dbd20f7b3e79127440b1f76c80071

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

Filesize
123KB

MD5
0060bacecd724271979e39a875160390

SHA1
786f4cc8ef9c834e6df320f798ae23d491f53cb6

SHA256
59bd4cb74f42201a106ee56fcd396c0745ca1e67a91c7910858a592ec2348095

SHA512
bafa131b9b24b76fafc0d8e10c6e70afd70e6257254abdb5c28d3634e10e3089f12b70293654fef17c2c96fba7f081e8828dbd20f7b3e79127440b1f76c80071

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
4f630c01f9bf4c57d049a46ea616203c

SHA1
a2d06f097a95d9096f7e381d39e982c0c29aac25

SHA256
217bc1b6fd8b9b5987d428f164bde885ce60d24db297abd86c177e8595c30793

SHA512
1ae68ac255fe9b2c517425e8642fb630c178ea261e6e844fc27d7a9f8d3e6c92da594549284622aee09b96540e9fc6086fa32ba7f66c794c1c983ed7c526af45

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
69f9dbbdc5448119921c3591131e0a03

SHA1
ac39b77d2214efa93515b18389995bbb2fd1e148

SHA256
911adaaf2df59a8dc0e9431c733974ba8f1f100ec2e46fb5333945bb75022d6d

SHA512
cbd12c8ca50da75347b326fcadbb6774b912d9d854c53f004ca325131aa13b2162a8ac5af00233f26dfd2f9eddc21cbcb4171595fdd8f1fd4e5322e6bb759def

Download Submit
memory/4592-147-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-148-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-149-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-150-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-151-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-152-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-153-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4592-154-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4876-140-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4876-132-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4876-136-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4876-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download