ramnit | 3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab

Analysis

max time kernel
130s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 00:12

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General

Target

3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe
Size

120KB
MD5

6811f0e3f548ed3e1ae20c14d5696337
SHA1

c8ae6a73b6b4ff522ad4bbf88e0b99f55bba0dd1
SHA256

3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab
SHA512

257d9744c1aa39c83245e65e47f3c4dd20827efc0db0e8f64ab4aaa71acfc476024ae67a57e8a1c2439e3f9423cb2aeb8cd9b2022bb9897c9c4d90c4d0e63cec
SSDEEP

1536:rnySyxBTTYFU3jARV5nmIyjB7xZDDBbrjTosSo2cvoXqoDZyUxnLiUc76Wr5:rySxFQKV5E5TDDB/osSjrXqoN676W1

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
2128	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe
1380	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001b00000001d9f9-134.dat	upx
behavioral2/files/0x001b00000001d9f9-135.dat	upx
behavioral2/files/0x000400000001e64b-137.dat	upx
behavioral2/files/0x000400000001e64b-139.dat	upx
behavioral2/memory/2128-138-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1380-140-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px8419.tmp	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.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 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989591"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3472987617"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DFA8F454-490A-11ED-B696-4AA92575F981} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989591"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372219633"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989591"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3031423914"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3472987617"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3031579516"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989591"	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe
1380	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	iexplore.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2004	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe
4960	iexplore.exe
4960	iexplore.exe
4944	IEXPLORE.EXE
4944	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2128	2004	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe	82
PID 2004 wrote to memory of 2128	2004	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe	82
PID 2004 wrote to memory of 2128	2004	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe	82
PID 2128 wrote to memory of 1380	2128	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe	83
PID 2128 wrote to memory of 1380	2128	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe	83
PID 2128 wrote to memory of 1380	2128	3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe	83
PID 1380 wrote to memory of 4960	1380	DesktopLayer.exe	84
PID 1380 wrote to memory of 4960	1380	DesktopLayer.exe	84
PID 4960 wrote to memory of 4944	4960	iexplore.exe	85
PID 4960 wrote to memory of 4944	4960	iexplore.exe	85
PID 4960 wrote to memory of 4944	4960	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe
"C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472ab.exe"
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe
  C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2128
- - 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:1380
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4960
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4960 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4944

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
24KB

MD5
cb27387ec034a4f0a3c79303d3c9fb08

SHA1
5d648bb93f4e41167062d019dc582d353c53db22

SHA256
a4a3c7d8f63aca29c7c5644a438005bd79bddcc5fe5ad1bc6a1e5a1214925dcc

SHA512
6af1e680c1309a0810f5535827f7b0103d83e73e93c1a9295f992b65416b7b2025a3b1159040902b7a4cc096dd8f2b5d2ae5ed3a33e41160bdc4aeb9103af603

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

Filesize
24KB

MD5
cb27387ec034a4f0a3c79303d3c9fb08

SHA1
5d648bb93f4e41167062d019dc582d353c53db22

SHA256
a4a3c7d8f63aca29c7c5644a438005bd79bddcc5fe5ad1bc6a1e5a1214925dcc

SHA512
6af1e680c1309a0810f5535827f7b0103d83e73e93c1a9295f992b65416b7b2025a3b1159040902b7a4cc096dd8f2b5d2ae5ed3a33e41160bdc4aeb9103af603

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

Filesize
471B

MD5
fceed7a5f76725fb398c6a91ff552899

SHA1
237aec000ae7c7c35a639664b1ad6c0d842a0749

SHA256
2888c66a6908f10474313b2fef31aeeff40cffe1bcbd19b84b29334ff6a71383

SHA512
adfba4e72523d38395c13122d6498d9b48d93b2967858f0208549e3830c9b47ee3e98249b98fe585aeeeffe491a6985a98c80a3be581abccf4239bad4d1cdef3

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

Filesize
404B

MD5
82dc1b5c10eab14c24f7aa6205e47caf

SHA1
3be78f43b08f5ef77fcba9d4ef7507cf5bb71037

SHA256
2a3764ba3c85d5a1807a2085aa22dfc508906122fac2947b8b49b2ba8d5d485d

SHA512
2369f9760ca108425a0b409fca5208377d5b40bf3b6f785509014e8af3184b9672ddad470f8e6fda83e6cfc24656b63a3ed212c02e26b9ed07dcb8884f0a18e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe

Filesize
24KB

MD5
cb27387ec034a4f0a3c79303d3c9fb08

SHA1
5d648bb93f4e41167062d019dc582d353c53db22

SHA256
a4a3c7d8f63aca29c7c5644a438005bd79bddcc5fe5ad1bc6a1e5a1214925dcc

SHA512
6af1e680c1309a0810f5535827f7b0103d83e73e93c1a9295f992b65416b7b2025a3b1159040902b7a4cc096dd8f2b5d2ae5ed3a33e41160bdc4aeb9103af603

Download Submit
C:\Users\Admin\AppData\Local\Temp\3396cd091b35fde46a8422352aecdd08cfdff2b0a2d8bea9c999c430e1a472abSrv.exe

Filesize
24KB

MD5
cb27387ec034a4f0a3c79303d3c9fb08

SHA1
5d648bb93f4e41167062d019dc582d353c53db22

SHA256
a4a3c7d8f63aca29c7c5644a438005bd79bddcc5fe5ad1bc6a1e5a1214925dcc

SHA512
6af1e680c1309a0810f5535827f7b0103d83e73e93c1a9295f992b65416b7b2025a3b1159040902b7a4cc096dd8f2b5d2ae5ed3a33e41160bdc4aeb9103af603

Download Submit
memory/1380-140-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2004-132-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2004-141-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2128-138-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download