de0e3af5b42f7b0942c666829a5c2602d8c41776d5dcb3d113a3b61beed95a29

General

Target

GOLAYA-SEXY.exe
Size

149KB
MD5

082651eefe9806f50fb938f393148d45
SHA1

61817d9547cbfc0490511c8599261b62adbc61fa
SHA256

dd854c4d604f2add306b0e004097c9fb897b4107f02407d4b521abbc22919bbd
SHA512

3c8cd68bd19fb0fbb40ed1a5f53d7f83f152c4aced62e137bd7771303da26a4e74ce2648958909f2f92506ea2508665d7139a11b0568740104df87b68bcaf994
SSDEEP

3072:lBAp5XhKpN4eOyVTGfhEClj8jTk+0hiIvh5iBZ:AbXE9OiTGfhEClq9SE

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
11	4932	WScript.exe

Drops file in Drivers directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hîsts	WScript.exe
File opened for modification	C:\Windows\System32\drivers\etc\hosts	cmd.exe
File opened for modification	C:\Windows\System32\drivers\etc\hosts	WScript.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	GOLAYA-SEXY.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\salst\ogurets\osjovnofr.vbs	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\Uninstall.exe	GOLAYA-SEXY.exe
File created	C:\Program Files (x86)\salst\ogurets\Uninstall.ini	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\lit.vbs	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\122.txt	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\all3.vbs	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\polenolll.pof	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\podkati.bat	GOLAYA-SEXY.exe
File opened for modification	C:\Program Files (x86)\salst\ogurets\stuckja.jol	GOLAYA-SEXY.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings	GOLAYA-SEXY.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 4756	3012	GOLAYA-SEXY.exe	79
PID 3012 wrote to memory of 4756	3012	GOLAYA-SEXY.exe	79
PID 3012 wrote to memory of 4756	3012	GOLAYA-SEXY.exe	79
PID 4756 wrote to memory of 4932	4756	cmd.exe	81
PID 4756 wrote to memory of 4932	4756	cmd.exe	81
PID 4756 wrote to memory of 4932	4756	cmd.exe	81
PID 3012 wrote to memory of 4216	3012	GOLAYA-SEXY.exe	82
PID 3012 wrote to memory of 4216	3012	GOLAYA-SEXY.exe	82
PID 3012 wrote to memory of 4216	3012	GOLAYA-SEXY.exe	82

C:\Users\Admin\AppData\Local\Temp\GOLAYA-SEXY.exe
"C:\Users\Admin\AppData\Local\Temp\GOLAYA-SEXY.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\salst\ogurets\podkati.bat" "
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\salst\ogurets\all3.vbs"
    3⤵
    - Blocklisted process makes network request
    PID:4932
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\salst\ogurets\osjovnofr.vbs"
  2⤵
  - Drops file in Drivers directory
  PID:4216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\salst\ogurets\all3.vbs

Filesize
299B

MD5
399aafbff20b97ae2c6119061d41cbd0

SHA1
3056f90e2696e9564c9a3419cc7a7c03ef14b429

SHA256
898eebf1486b8d382f0001cec8604b4711d21e3015334bd5a49f60d39ebdc1fe

SHA512
85627296a59270aa783bf64d55d2560d9ee18eaa9de88deae4b8170581bd18450f53bfbbd9bdb6ec3a99ac8a06545252a1b10a13fa3584bb75dae4f917ed1606

Download Submit
C:\Program Files (x86)\salst\ogurets\osjovnofr.vbs

Filesize
744B

MD5
2b3d8e8acf083e55fdbaa04a313e082c

SHA1
d472ce8d0786478cc1f5bb1b8d9ba9085fc3ade3

SHA256
f75b5d1d65c4668e1c9833d7ef4dcd04013d7f1e52f80b579011cf12ba6f0846

SHA512
055609e1ac6e2824f5d02082e4da0995c7c1757543003cd5aa134adbf344c4c52d6d5361c909c9163dd017bc5fe6f52a5c47dc235ae77df31da8dc1bdd5a6085

Download Submit
C:\Program Files (x86)\salst\ogurets\podkati.bat

Filesize
3KB

MD5
32476fdee702c96f10c2bf839d4999ea

SHA1
6eba74027756760c7a3b22957efc215fbf9871e5

SHA256
78a635131e9f79f01185e120ecd29fb09260b56b678fccd3b23245fac2b673d3

SHA512
a5b73557a2293aff4b3d0e5a2f185af54abdda68ea40b5f167271da91e32f199af06bc60a6d6da4faeef960bf9844b538788745bf4c5a590807081cb6f280234

Download Submit
C:\Program Files (x86)\salst\ogurets\polenolll.pof

Filesize
27B

MD5
213c0742081a9007c9093a01760f9f8c

SHA1
df53bb518c732df777b5ce19fc7c02dcb2f9d81b

SHA256
9681429a2b00c27fe6cb0453f255024813944a7cd460d18797e3c35e81c53d69

SHA512
55182c2e353a0027f585535a537b9c309c3bf57f47da54a16e0c415ed6633b725bf40e40a664b1071575feeb7e589d775983516728ec3e51e87a0a29010c4eb9

Download Submit
C:\Program Files (x86)\salst\ogurets\stuckja.jol

Filesize
51B

MD5
2f3e6a7cead939112e164924c1f10781

SHA1
33cd402d053f7597c1b825892929295e6834c35c

SHA256
9e32bfeb04a302900d18c7dbed95d648b766741a387001a1ef6ce32276c73136

SHA512
9005e318a904b7880f43e568230fd38e5a75d20f30f48b25058dad74b17d94d02bde1dbf9ee0bb931e8748f05087ab8b2116e4c00de3d134abb330bc07044ff2

Download Submit
C:\Windows\System32\drivers\etc\hosts

Filesize
1KB

MD5
0021c993f6e270022b22a1f77f6797c1

SHA1
8f0081a7735307c166ec3a995716dd5306723410

SHA256
47195bd86b55e24282ce44af1889353c2ec9aafe4897757759ec05d263fa5dad

SHA512
d65404624973d9e2fa8a16511ad0a1ab5a0f232a6ba74e84f69e3443496ea6a580f538cbcd7f160993315b4cfa40897dc548d70ff61f01a0b81a1437e09b5fd6

Download Submit
memory/4216-137-0x0000000000000000-mapping.dmp

Download
memory/4756-132-0x0000000000000000-mapping.dmp

Download
memory/4932-136-0x0000000000000000-mapping.dmp

Download

Analysis

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