ramnit | aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 20:48

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General

Target

aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
Size

111KB
MD5

0528fe938aaf7d057836ef38fc544600
SHA1

8b5509a6684ce0f65b8cbb4c644d9d9b01587306
SHA256

aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d
SHA512

ffdf46731aa4aae9b286bd38b1a45d696049cbd7ed95fa182a4ac24d1322360878f4142f4b130bbcdb6a11c123145e6fa961f9db8116e88ccb1a8f6d55aac630
SSDEEP

3072:TROzoTq0+RO7IwnYY1z3kggaPhVDs8F5FGTS:1kdNwB3nDbG

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
4548	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe
1812	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000001e72a-133.dat	upx
behavioral2/files/0x000200000001e72a-134.dat	upx
behavioral2/files/0x000300000001e72c-136.dat	upx
behavioral2/memory/4548-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000300000001e72c-138.dat	upx
behavioral2/memory/4556-139-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/1812-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7B9D.tmp	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7B8E.tmp	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\Recovery\PendingRecovery\AdminActive = "1"	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\VersionManager\LastCheckForUpdateLowDateTime = "2700003824"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374562489"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
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\Main	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\DomainSuggestion\FileNames	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\Main\WindowsSearch	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 (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\LastTTLHighDateTime = "50"	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\Recovery\AdminActive\{B18A3FA8-5E59-11ED-89AC-F6DE28FD18F9} = "0"	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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "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\LastUpdateLowDateTime = "2699848753"	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\LastUpdateHighDateTime = "30995046"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995046"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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 (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B180B6F3-5E59-11ED-89AC-F6DE28FD18F9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe
1812	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4892	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4892	iexplore.exe
456	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4892	iexplore.exe
4892	iexplore.exe
456	iexplore.exe
456	iexplore.exe
1900	IEXPLORE.EXE
1900	IEXPLORE.EXE
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE
1836	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4548	4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe	81
PID 4556 wrote to memory of 4548	4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe	81
PID 4556 wrote to memory of 4548	4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe	81
PID 4548 wrote to memory of 1812	4548	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe	82
PID 4548 wrote to memory of 1812	4548	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe	82
PID 4548 wrote to memory of 1812	4548	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe	82
PID 4556 wrote to memory of 456	4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe	83
PID 4556 wrote to memory of 456	4556	aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe	83
PID 1812 wrote to memory of 4892	1812	DesktopLayer.exe	84
PID 1812 wrote to memory of 4892	1812	DesktopLayer.exe	84
PID 4892 wrote to memory of 1836	4892	iexplore.exe	85
PID 4892 wrote to memory of 1836	4892	iexplore.exe	85
PID 4892 wrote to memory of 1836	4892	iexplore.exe	85
PID 456 wrote to memory of 1900	456	iexplore.exe	86
PID 456 wrote to memory of 1900	456	iexplore.exe	86
PID 456 wrote to memory of 1900	456	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe
"C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe
  C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4548
- - 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:1812
  - - 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:4892
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4892 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1836
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:456 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1900

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\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B180B6F3-5E59-11ED-89AC-F6DE28FD18F9}.dat

Filesize
5KB

MD5
512203c8913e761496a397907478821f

SHA1
607d808581e6cb8b77ce9ed7e161683d54326e4c

SHA256
7b5ac5a626646b795495e3103d3fbc880d04ecc264220923464157829e2f9f22

SHA512
74d1a6389c296af446d31fc03ac45c25b1be175daa31235d547c44d5f99d5c795db5a8ef6a1cd1d2992405eee3be679613af7237ed75a673e3f92f214c36505f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B18A3FA8-5E59-11ED-89AC-F6DE28FD18F9}.dat

Filesize
3KB

MD5
78a99543a6a998ea44672e8f83279301

SHA1
4584239faf7c65ccef487983c2cb4fa6a3c97eef

SHA256
5cd05d2d3c77ced5df18b506f82dee296545f2e4e9fbc9872cea887b490d3773

SHA512
4133b04ac45cd5627356c376252781c1540032b888f466d48da88d60b4ea7d5af6c321ce55c21740427f848037d25a5b33f33ea4e213a90d19e10ad73f9f663d

Download Submit
C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\aa42b46d10c0f7817bde4ae103d536f9c25244b460313716d9fb05d713e4740dSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1812-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4548-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4556-139-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4556-143-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download