ramnit | 0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 04:59

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General

Target

0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe
Size

131KB
MD5

6c1d707260f40d2a1cc616ebf2e5b640
SHA1

ef5c78546885af293729ec6b5b7442f74087a0b8
SHA256

0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96
SHA512

a0bfbfbd1a125053d79ef8059598a908fc4d3300f718b0755b400c0b4d1e1d25dde618c1400a9352622177cca216e6ee0544363468c09e72e977a715a4376a2e
SSDEEP

3072:lp2S3dyG/1YrOujcUGoaVu+zu96tswa1sELvONiKAnepJ:9tRYqubGBuY1cLBW

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

pid	Process
4912	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
5000	DesktopLayer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4724-132-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/files/0x000c000000022f3f-134.dat	upx
behavioral2/memory/4724-135-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4912-136-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000c000000022f3f-137.dat	upx
behavioral2/files/0x0008000000022f43-139.dat	upx
behavioral2/files/0x0008000000022f43-140.dat	upx
behavioral2/memory/4912-141-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/5000-142-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxD6BD.tmp	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4035746753"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987828"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987828"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371462540"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987828"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4162778433"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4035746753"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1B10E14A-4228-11ED-AECB-EE6CABA3804C} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe
5000	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2316	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2316	iexplore.exe
2316	iexplore.exe
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE
2356	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4912	4724	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	83
PID 4724 wrote to memory of 4912	4724	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	83
PID 4724 wrote to memory of 4912	4724	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe	83
PID 4912 wrote to memory of 5000	4912	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	84
PID 4912 wrote to memory of 5000	4912	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	84
PID 4912 wrote to memory of 5000	4912	0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe	84
PID 5000 wrote to memory of 2316	5000	DesktopLayer.exe	85
PID 5000 wrote to memory of 2316	5000	DesktopLayer.exe	85
PID 2316 wrote to memory of 2356	2316	iexplore.exe	86
PID 2316 wrote to memory of 2356	2316	iexplore.exe	86
PID 2316 wrote to memory of 2356	2316	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe
"C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
  C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5000
  - - 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:2316
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2316 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2356

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\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
471B

MD5
f525b778e6901e8c416e2920e4e3dc0b

SHA1
917ce8ae6d64bdd4dd438488176253022c57a083

SHA256
c9eee793aa4aa79f35d393f9f1d863483aaf4004dea6ac19bda868e92a71f8bd

SHA512
f6f47a4935c09769b8df316e1b459c7b153ed26ac409d4bf2ce62a1635dba4eaf7ce77de5ce83100d6f3ce7aadffed7591fb7cee7ac10a0c081a2d3c613f1ad8

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

Filesize
434B

MD5
e2c943afd1bf5f4df1b1a90786a01e0e

SHA1
7cf91549b2cdeeb49ebf3d39c2ce7d3e91121795

SHA256
6942facec117e835f934587610530d87374cf4236f5162b8183736e4f3384e7d

SHA512
bdf062f857a28d2070fc5894b1c4fb59c79769115f9a8c81f76eac862771eb5b682f42d59a447097ed10ffe96e4c16fa81a0d2f4b675aa1aba26dcc1172678f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\0d7a1ac2d188ce03d46a1ca4b1e4db87d97e0b133ab6b88c9296d85ff79f1d96Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/4724-135-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4724-132-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4912-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4912-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5000-142-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download