ramnit | b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c

General

Target

b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
Size

216KB
MD5

6dec7ea34abd7e6779bc9abc0b82fb20
SHA1

1d6508621afa345356140103c05c66be142fbab9
SHA256

b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c
SHA512

fd81d0128c0a15543bf73c5aa0491256a9949bd1ac35bab643449c8ab22ec4ec725bff44d850e3e798d9d68d5fa62ea3cc6e5db851125024c057a90227721699
SSDEEP

3072:X1K3E7lxzLQVHhEA3HYhYAF2GoAnsVsUxfZ5TtoalOV:2QlJEVWA34++vUxZVyMQ

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
1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe
1972	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-55.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/files/0x00140000000054ab-59.dat	upx
behavioral1/files/0x0009000000012758-60.dat	upx
behavioral1/memory/1932-63-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0009000000012758-62.dat	upx
behavioral1/files/0x0009000000012758-65.dat	upx
behavioral1/memory/1972-66-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxE570.tmp	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{142CBD21-42BA-11ED-9172-7ADD0904B6AC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371525247"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1972	DesktopLayer.exe
1972	DesktopLayer.exe
1972	DesktopLayer.exe
1972	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1208	iexplore.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1208	iexplore.exe
1208	iexplore.exe
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE
1768	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 1932	1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe	28
PID 1440 wrote to memory of 1932	1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe	28
PID 1440 wrote to memory of 1932	1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe	28
PID 1440 wrote to memory of 1932	1440	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe	28
PID 1932 wrote to memory of 1972	1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe	29
PID 1932 wrote to memory of 1972	1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe	29
PID 1932 wrote to memory of 1972	1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe	29
PID 1932 wrote to memory of 1972	1932	b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe	29
PID 1972 wrote to memory of 1208	1972	DesktopLayer.exe	30
PID 1972 wrote to memory of 1208	1972	DesktopLayer.exe	30
PID 1972 wrote to memory of 1208	1972	DesktopLayer.exe	30
PID 1972 wrote to memory of 1208	1972	DesktopLayer.exe	30
PID 1208 wrote to memory of 1768	1208	iexplore.exe	32
PID 1208 wrote to memory of 1768	1208	iexplore.exe	32
PID 1208 wrote to memory of 1768	1208	iexplore.exe	32
PID 1208 wrote to memory of 1768	1208	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe
"C:\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe
  C:\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1932
- - 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:1972
  - - 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:1208
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1208 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FQHMZ2TW.txt

Filesize
603B

MD5
8126b1e6556849a940259f69cbab0f2e

SHA1
99132edbf790917b4ffa16c29a0935d72085d576

SHA256
262b6c883f750bdaa2b453d951d5fa6b9cab2518670428a1ba5cd5a18ba1343b

SHA512
fba08dcc11cccacd4ffb5a873dfa86fe2421926f22b060582bde8d211259c927ed7515ca5570323d681a86170ebf168d5a3f105d08f611100e3569a56392c90d

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\b38bb7ed77886a3a7407a39514fe4b5ea89e7b4efacd917e6cac165b4054672cSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1440-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1440-67-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1440-68-0x0000000000230000-0x000000000025E000-memory.dmp

Filesize
184KB

Download
memory/1440-70-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1932-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1932-56-0x0000000000000000-mapping.dmp

Download
memory/1972-61-0x0000000000000000-mapping.dmp

Download
memory/1972-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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