ramnit | 5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb

Analysis

max time kernel
134s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 00:25

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General

Target

5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
Size

890KB
MD5

3a8972666b81491cbd3abb33b9dc9c1c
SHA1

cf65f1023f53e9dbe57614679b20d8d6b9b02357
SHA256

5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb
SHA512

320d4dcb74eeb77567f2b6c1bc36658690d08f180cdca3b86e32d1fb9183ec197015737e83731ce8d83290bfbf75276d46a5a7a27c12182ea559f10740709b69
SSDEEP

24576:bksJkQi9wJ+kQd6UUJXrXruFYW0xUcMIHmolc8Qcf:bksJxi7kQ4UUJXrXcRVoHFf

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
2204	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
1628	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0004000000022dd5-133.dat	upx
behavioral2/files/0x0004000000022dd5-134.dat	upx
behavioral2/files/0x0005000000022dd8-136.dat	upx
behavioral2/files/0x0005000000022dd8-138.dat	upx
behavioral2/memory/2204-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1628-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxD20A.tmp	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	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 (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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{698DCFC4-6E82-11ED-A0EE-4E6695810362} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1050807192"	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\Main\CompatibilityFlags = "0"	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\LastCheckForUpdateHighDateTime = "30999183"	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\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1050807192"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999183"	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	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
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 = "1068877140"	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\LastUpdateHighDateTime = "30999183"	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\DomainSuggestion\NextUpdateDate = "376339169"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe
1628	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
4924	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3124	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3124	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
4924	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
4924	iexplore.exe
4924	iexplore.exe
2164	IEXPLORE.EXE
2164	IEXPLORE.EXE
2164	IEXPLORE.EXE
2164	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 2204	3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	82
PID 3108 wrote to memory of 2204	3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	82
PID 3108 wrote to memory of 2204	3108	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe	82
PID 2204 wrote to memory of 1628	2204	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	83
PID 2204 wrote to memory of 1628	2204	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	83
PID 2204 wrote to memory of 1628	2204	5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe	83
PID 1628 wrote to memory of 4924	1628	DesktopLayer.exe	84
PID 1628 wrote to memory of 4924	1628	DesktopLayer.exe	84
PID 4924 wrote to memory of 2164	4924	iexplore.exe	85
PID 4924 wrote to memory of 2164	4924	iexplore.exe	85
PID 4924 wrote to memory of 2164	4924	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe
"C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fb.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
  C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2204
- - 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:1628
  - - 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:4924
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4924 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2164

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x514 0x4f0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3124

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
3bc8595d0a469edc8b7a071a3befe724

SHA1
f7e4b53b01d31626ab7965b267fea4457d798a91

SHA256
33c4b30d18fa3eeeed676831973cf8dd8c9a9145e7edcb689efeec0647d685d4

SHA512
4969ab6d2239a94d1dfb6105d9a329588ad0e3366ab4af874e033b853adfcadf808eced3466823136221e110accd2bcd5b25b0474b11947aab510f0b92d397d8

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

Filesize
434B

MD5
1510ac7c9ce0453f279483b5455384f9

SHA1
d76af611c25f9f6e8ec17570e612f2833a4a39ff

SHA256
8fba3a7af76555560e916b65541ebf814cb23d132f9dacd9dc9d58d055cfc5bf

SHA512
09537dd353f3b1a7553f34f7492a768df69f2c9ac174435ff5a69320e5b4e0a406a642e2b9d207d17c596d9a2bfc32a2375b26afc95393dd02818f9a4e2d6b86

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e8e8615acef4d8f29332a223b8d835578d8f6fe83b5135e42af802deb1bd5fbSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1628-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2204-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3108-140-0x0000000000400000-0x0000000002CB0000-memory.dmp

Filesize
40.7MB

Download
memory/3108-143-0x0000000000400000-0x0000000002CB0000-memory.dmp

Filesize
40.7MB

Download