ramnit | fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe

General

Target

fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe
Size

368KB
MD5

2401392f07273e35bb92523c0133f827
SHA1

c66b7cbf24157d8d07b25287045cafb824bd5759
SHA256

fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe
SHA512

c5c4a65f735a4f3af79d72637a14bd715927865dd7215aa3c74aea30e0dc5327546f25f0801e47c06c3663cd022040302c7a6ddf56bb37177d9437c6b851356e
SSDEEP

6144:sQz6R5TuJSMjFqW7NMkdNwBzeR2Oxk7KtM:pz6R5TuwQqW7KkvNDK

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
5100	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-0-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/2384-2-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/files/0x0033000000023b74-5.dat	upx
behavioral1/memory/2384-9-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/5100-10-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral1/memory/5100-12-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7D57.tmp	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.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	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1210183910"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1212839999"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157253"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{73AC78B3-D7F8-11EF-ADF2-D6A59BC41F9D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157253"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444229731"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe
5100	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4108	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4108	iexplore.exe
4108	iexplore.exe
3028	IEXPLORE.EXE
3028	IEXPLORE.EXE
3028	IEXPLORE.EXE
3028	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 5100	2384	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe	82
PID 2384 wrote to memory of 5100	2384	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe	82
PID 2384 wrote to memory of 5100	2384	fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe	82
PID 5100 wrote to memory of 4108	5100	DesktopLayer.exe	83
PID 5100 wrote to memory of 4108	5100	DesktopLayer.exe	83
PID 4108 wrote to memory of 3028	4108	iexplore.exe	84
PID 4108 wrote to memory of 3028	4108	iexplore.exe	84
PID 4108 wrote to memory of 3028	4108	iexplore.exe	84

C:\Users\Admin\AppData\Local\Temp\fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe
"C:\Users\Admin\AppData\Local\Temp\fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:5100
- - 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:4108
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4108 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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
2401392f07273e35bb92523c0133f827

SHA1
c66b7cbf24157d8d07b25287045cafb824bd5759

SHA256
fc9244bed842aa70ec34de24b97320a933bd36d10374abe9796d636a3f1878fe

SHA512
c5c4a65f735a4f3af79d72637a14bd715927865dd7215aa3c74aea30e0dc5327546f25f0801e47c06c3663cd022040302c7a6ddf56bb37177d9437c6b851356e

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

Filesize
471B

MD5
fbd57568c7e969025fd7a77d6a9e5f45

SHA1
d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

SHA256
b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

SHA512
c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

Filesize
404B

MD5
b34200f58e9a0b18dfec566576835e30

SHA1
c79b57fb0ded0857f361cbed08d3933118ff9e8d

SHA256
2577236e5149ac7748b24703899ffc171b4652bd32daaaaec6f799652a5b4949

SHA512
15f40717f73f62631cd409a5e3032c1a035b4b0a0208613e47779a2c623768a90e2022dbc2530965f12bca1ee81fb0c17f6bec672c9f47f1fbdd9e3e2893507a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2384-0-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2384-1-0x00000000005D0000-0x00000000005DF000-memory.dmp

Filesize
60KB

Download
memory/2384-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2384-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5100-8-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/5100-10-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5100-12-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

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