9b5cf3ea956cd9ea39a38f54a4f39916503122540a05ae7dc474a029aa3a290a

General

Target
RUSSKAYA-GOLAYA.exe
Size 180KB
Sample231226-fbk13ageb9
SHA256 c3199ed5f9a3d4e51e4ff8287875a04a91602e348dcef11c403e90d96eea59f7
MD5 55e47874ef9912a4309c4c90af7b67f8
SHA1 bda07533ed744d3c78ee34ab416d883504212e3e
SHA512 d01550350e18c0507e8f45e1a970cfd6bfa910c2a334fe65ffc26f7347e9b967906a950bd6918fa2c19aebfdf087f2f82bf3a47e96af1ef903697d3672edad36
SSDEEP 3072:TBAp5XhKpN4eOyVTGfhEClj8jTk+0h6ejmo:+bXE9OiTGfhEClq9dejD
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	4456	WScript.exe

Drops file in Drivers directory 3 IoCs

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

Checks computer location settings 2 TTPs 1 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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	RUSSKAYA-GOLAYA.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\_hello______22222_______.vbs	RUSSKAYA-GOLAYA.exe
File opened for modification	C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\popizdota.dot	RUSSKAYA-GOLAYA.exe
File opened for modification	C:\Program Files (x86)\na ulisdf\take me tsdf\333\why_do_you_cry_willy.bat	RUSSKAYA-GOLAYA.exe
File opened for modification	C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\____000000_hello__.vbs	RUSSKAYA-GOLAYA.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings	RUSSKAYA-GOLAYA.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 4656	4984	RUSSKAYA-GOLAYA.exe	91
PID 4984 wrote to memory of 4656	4984	RUSSKAYA-GOLAYA.exe	91
PID 4984 wrote to memory of 4656	4984	RUSSKAYA-GOLAYA.exe	91
PID 4984 wrote to memory of 228	4984	RUSSKAYA-GOLAYA.exe	95
PID 4984 wrote to memory of 228	4984	RUSSKAYA-GOLAYA.exe	95
PID 4984 wrote to memory of 228	4984	RUSSKAYA-GOLAYA.exe	95
PID 4984 wrote to memory of 4456	4984	RUSSKAYA-GOLAYA.exe	94
PID 4984 wrote to memory of 4456	4984	RUSSKAYA-GOLAYA.exe	94
PID 4984 wrote to memory of 4456	4984	RUSSKAYA-GOLAYA.exe	94

C:\Users\Admin\AppData\Local\Temp\RUSSKAYA-GOLAYA.exe
"C:\Users\Admin\AppData\Local\Temp\RUSSKAYA-GOLAYA.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\na ulisdf\take me tsdf\333\why_do_you_cry_willy.bat" "
  2⤵
  - Drops file in Drivers directory
  PID:4656
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\_hello______22222_______.vbs"
  2⤵
  - Blocklisted process makes network request
  PID:4456
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\____000000_hello__.vbs"
  2⤵
  - Drops file in Drivers directory
  PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

why_do_you_cry_willy.bat

Path C:\Program Files (x86)\na ulisdf\take me tsdf\333\why_do_you_cry_willy.bat
Size 2KB
SHA256 cce51b8541d079175b37f9b22902f85f27c9de03b5466dcfe7a82daa14b15e4a
MD5 03e9683ed6157dfeaada0e7d5c55a409
SHA1 878dba26d22b3b4c47a5dc13e4a68ad63f07d2c6
SHA512 699b5cb531dc55dc0b9c01a1ba65bdfcc7ea858c8f7a7005aadcd0bea7be0da9670bae1142cabf90e4ad1b91ff9ca2c28fe60853a28f7cc878d51ee5a6d34dfa
MD5 SHA1 SHA512

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____000000_hello__.vbs

Path C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\____000000_hello__.vbs
Size 832B
SHA256 a280900950d0e042ce530253cecbe8cc935c834cc0f59ed44fc6df2997d46cd7
MD5 09ea7ee88b7a890a2058d2f52c2b4f5c
SHA1 0fccc6f49a845e3442699f3ad94dc832a4d5fed4
SHA512 506d425c629be0422a3e8ad54929009896ee6c207c930efeb44f4c0c1eea2d1cea1e47e7da62c5de22b4c678e807db625eb422e5d99f4398429bcc33771dc50f
MD5 SHA1 SHA512

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_hello______22222_______.vbs

Path C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\_hello______22222_______.vbs
Size 620B
SHA256 c89ededbc38e21b8adb80620fca77cda32b981dee039b64ef76b73388b742750
MD5 ebf109802b6133561dd4104d30b7dd13
SHA1 adcd1ac47883bdad5936aa4080ba59591ff89e53
SHA512 ab91d5b87d49e02ad915c697747da134986523a4ee3a3f67e230f522334dbee1feb9f92184e03d346309793d6812c0710e8f82a3e1477d7997e74c9922500ae4
MD5 SHA1 SHA512

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popizdota.dot

Path C:\Program Files (x86)\na ulisdf\take me tsdf\poztfiz\popizdota.dot
Size 34B
SHA256 bcf768f1b7db9992ed293fee0d986033c0ed203ad7698cc3f0eec8faad6a4665
MD5 aa5511a167a67e429a9fdf3ac25bce0e
SHA1 8ac961be922cdc3314ed342e809d68637e9ea1f2
SHA512 736021521ab3062dd0b748fe989b942c52e2978e7d7313d66684518c4209a8816ccb7cd0229306c1f4fae1cac2c4d107fff52c9d027d4f04d0d4cb736ca53a10
MD5 SHA1 SHA512

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hosts

Path C:\Windows\System32\drivers\etc\hosts
Size 1KB
SHA256 53f25ec3705be321e5d7c17acc6ea1aba6aae01e99223f97d97bcf288c5a8228
MD5 c0805e6fff9d30c65b91bc9284beac8e
SHA1 45456e27d6632159ed7e4403caa1a16721c3b603
SHA512 34648a026528d9746f73d01f7600bf947fdee00ddf8525cb89338ebd9b51789f968a79b4c1671eeb96ac83f21788167980835cae8c0f86a550ff95bddfa3c2c3
MD5 SHA1 SHA512

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memory/4984-40-0x0000000000400000-0x0000000000432000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads