ramnit | 474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219

General

Target

474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe
Size

449KB
MD5

079d733f2cfde87a696f05f746f16200
SHA1

c5f5726cfcd96347c01b163c1e6f84eeb0eea841
SHA256

474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219
SHA512

6edba0c78c6bb349209b2ddb2b604cff26ffd267bfdc987f3ff6de86c8e0c606f633dcc3c7ecd7dc8ced2af374c5f6ec9aa5bb8d702bece0f3f459c2775c263d
SSDEEP

12288:btcZiSnQDRwnzDhJmFur16KKMN+uCrTevQ:bUnUo+up6KKMsuCr

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
4936	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe
4456	DesktopLayer.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4936-137-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4936-140-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4456-143-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxF84F.tmp	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1017700589"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5D78CF2A-41C3-11ED-AECB-5A10AEE59B4B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\LastUpdateLowDateTime = "1017700589"	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\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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 (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987728"	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\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987728"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\DomainSuggestion\NextUpdateDate = "371419270"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe
4456	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
360	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
360	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
360	iexplore.exe
360	iexplore.exe
2920	IEXPLORE.EXE
2920	IEXPLORE.EXE
2920	IEXPLORE.EXE
2920	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4936	2112	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe	82
PID 2112 wrote to memory of 4936	2112	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe	82
PID 2112 wrote to memory of 4936	2112	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe	82
PID 4936 wrote to memory of 4456	4936	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe	83
PID 4936 wrote to memory of 4456	4936	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe	83
PID 4936 wrote to memory of 4456	4936	474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe	83
PID 4456 wrote to memory of 360	4456	DesktopLayer.exe	84
PID 4456 wrote to memory of 360	4456	DesktopLayer.exe	84
PID 360 wrote to memory of 2920	360	iexplore.exe	85
PID 360 wrote to memory of 2920	360	iexplore.exe	85
PID 360 wrote to memory of 2920	360	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe
"C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe
  C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4936
- - 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:4456
  - - 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:360
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:360 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

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

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

Download Submit
C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

Download Submit
C:\Users\Admin\AppData\Local\Temp\474163e14dada25e6630e81d1342677ab37c26fe6c1a6700f0ed0d19a0b00219Srv.exe

Filesize
52KB

MD5
17efb7e40d4cadaf3a4369435a8772ec

SHA1
eb9302063ac2ab599ae93aaa1e45b88bbeacbca2

SHA256
f515564b67efd06fa42f57532feafc49d40b0fc36c5d4935300dd55416f0a386

SHA512
522fba06304950860fa9aa8933b12b9323dea47dbda363db3f57535396c156c4cf6934a9db38fff8c77503fcb889d030fadb639094a1f34bbad54c79c8734450

Download Submit
memory/2112-132-0x0000000000F40000-0x0000000000FC5000-memory.dmp

Filesize
532KB

Download
memory/2112-144-0x0000000000F40000-0x0000000000FC5000-memory.dmp

Filesize
532KB

Download
memory/2112-145-0x0000000000F40000-0x0000000000FC5000-memory.dmp

Filesize
532KB

Download
memory/4456-143-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4936-136-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4936-137-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4936-140-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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