188338be798eec6f7af50b9ed2c33a2f4e4a647fa49c3c3aadf4c7dc48ec03a8

General

Target
jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
Size 194KB
Sample260920-ylt1tsdj4v
SHA256 188338be798eec6f7af50b9ed2c33a2f4e4a647fa49c3c3aadf4c7dc48ec03a8
MD5 23c377a5c2d830207a1b58cd17d91229
SHA1 6c427ee3746b6ea585164ca872064c8e8c213579
SHA512 2d5fda6eb3b04e9cc5bfd89ca34463ffb459d8d91a1ef59c986d0174c070067e835f5a9284b9f53306d9b642161e9127c177e1b642a5211edfa31cf9afecad72
SSDEEP 6144:/zqMamIudsc5qqcC+axwPNd0AFTzj/o4p:7qMamIuKc5qqcFaxwo4jQ4p
TLSH
T117141266C3509E4ADA3BEC389DCBCD6D00A5F143C1A93746A6E0BD567EB1E6C1E1308D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

bootkit defense_evasion discovery persistence spyware trojan upx

Malware Config

Signatures

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\l:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\u:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\x:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\y:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\h:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\k:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\m:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\n:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\o:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\p:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\e:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\g:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\i:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\j:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\r:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\v:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\z:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\q:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\s:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\t:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
File opened (read-only)	\??\w:	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2676-0-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2676-6-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2676-7-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2676-8-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2676-9-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2676-11-0x0000000000400000-0x0000000000471000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2\Blob = 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	jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__23c377a5c2d830207a1b58cd17d91229.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies system certificate store
PID:2676