ramnit | 9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba

Analysis

max time kernel
96s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 08:32

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General

Target

9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe
Size

368KB
MD5

fe83c3d8f04d50eb1b5d2fe6904f084c
SHA1

e1e11405c0f7f32d0bb49cdab00f67b963cbd6f5
SHA256

9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba
SHA512

42178f09b634cb54c386de4dbb96073c832c918e370e3f5541b844f71ac0abe71d53d496c3e4af1148c848dab8dff00e8ab846519c6c52b80300e206e9dfbe11
SSDEEP

3072:xcQz6R5eAuOOX7SMpNjxN4yjNEWt0kamYyROzoTq0+RO7IwnYPPPLtap1u4fSEMm:GQz6R5TuJSMjFqW7NHkdNwBBpYeOjeTD

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
1384	DesktopLayer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/540-0-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/540-2-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/1384-6-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/1384-10-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/540-12-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/1384-9-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/files/0x0009000000023c94-7.dat	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px98C5.tmp	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155605"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3164094492"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E7B51CF7-D188-11EF-B319-EE6C25FCE24B} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3158626095"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443522115"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3158626095"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155605"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155605"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe
1384	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
436	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
436	iexplore.exe
436	iexplore.exe
3884	IEXPLORE.EXE
3884	IEXPLORE.EXE
3884	IEXPLORE.EXE
3884	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1384	540	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe	83
PID 540 wrote to memory of 1384	540	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe	83
PID 540 wrote to memory of 1384	540	9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe	83
PID 1384 wrote to memory of 436	1384	DesktopLayer.exe	84
PID 1384 wrote to memory of 436	1384	DesktopLayer.exe	84
PID 436 wrote to memory of 3884	436	iexplore.exe	85
PID 436 wrote to memory of 3884	436	iexplore.exe	85
PID 436 wrote to memory of 3884	436	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe
"C:\Users\Admin\AppData\Local\Temp\9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Program Files (x86)\Microsoft\DesktopLayer.exe
  "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:436
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:436 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
368KB

MD5
fe83c3d8f04d50eb1b5d2fe6904f084c

SHA1
e1e11405c0f7f32d0bb49cdab00f67b963cbd6f5

SHA256
9a97fc502ee4c9e6e3e14b715936e40abd425f9614cfcf3ad24d14cffc2a3aba

SHA512
42178f09b634cb54c386de4dbb96073c832c918e370e3f5541b844f71ac0abe71d53d496c3e4af1148c848dab8dff00e8ab846519c6c52b80300e206e9dfbe11

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

Filesize
471B

MD5
975df3dbca02c4223ad98b4405ec0cd8

SHA1
62c3b5b2d32df9cedede3d746956a999d34beff1

SHA256
87d1e303201f45a5b0080b4580575bb564446751cafe9da1e8ce11a9c6a842fd

SHA512
1277f93b24c89c39cee767c05e3e450da71aa5bade2fcc2559ef39c3b747c3db491488e63e8d21911e668885308d717fb7d47e2b3a70ff24b0a7250b5f671417

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

Filesize
404B

MD5
7e67d1ebcbad3df6423512e027956393

SHA1
1bfa2815c66ac43d3a7bda2b59f2a458685e834f

SHA256
95d91611387797883cea8bea964986a73849dcc3f761b44139b3e60ee18fdadc

SHA512
aaebbfd7d118da9c363831fbcecd4817bdd3c4ef5ba5fe7079778e52e80deeab680e69d845826219095439ca7733ff6f7eb8713fd6dbfb4e1ee537f918b0ddc4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/540-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/540-1-0x00000000005D0000-0x00000000005DF000-memory.dmp

Filesize
60KB

Download
memory/540-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/540-12-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1384-6-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1384-10-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1384-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1384-8-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download