c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336

General

Target

c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
Size

1.1MB
MD5

71cf3251dd8f91988bd95c0e85b8b6ca
SHA1

27e52817722ea18a53a9b4dcf8a466d05666b10a
SHA256

c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336
SHA512

dc4d226405a6d5679b29a927fc8c30934a2904236f3b74c1594b0cd60aebab63e1459eae7ba9b9c96cb78f2bc1c207367d352ece374e3e7057df07e688f7399b
SSDEEP

24576:fISkZRaSijyUuPNr7yKNzw9DdkVwF0g+yU8BUZP7jl:fISkLaSiboN3NEnIwzy7jl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1712	svchost.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe

Loads dropped DLL 3 IoCs

pid	Process
1712	svchost.exe
1712	svchost.exe
1712	svchost.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ts.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File created	C:\Windows\TV.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File opened for modification	C:\Windows\TV.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_240585265	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File created	C:\Windows\svchost.exe	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File opened for modification	C:\Windows\svchost.exe	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File created	C:\Windows\ts1.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File created	C:\Windows\ts.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
File opened for modification	C:\Windows\ts1.dll	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3520	1712	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 1712	4084	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe	82
PID 4084 wrote to memory of 1712	4084	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe	82
PID 4084 wrote to memory of 1712	4084	c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe	82

C:\Users\Admin\AppData\Local\Temp\c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe
"C:\Users\Admin\AppData\Local\Temp\c763320a868176829242f24e89449db7df8972af2250c9ad895319d06abcd336.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\svchost.exe
  "C:\Windows\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1692
    3⤵
    - Program crash
    PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1712 -ip 1712
1⤵
PID:644

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

C:\Windows\TV.dll

Filesize
96KB

MD5
16ea8b59f4ba4f5a61fe1b8cd6050c94

SHA1
d1b6f248a30595b05110c5b693d2c9a6a494c9cf

SHA256
531c7fe97c6825b0aa2298fda4d4da836cc4e6028a423b05c55bb6b3669aae5c

SHA512
5fb879e60a91743e6f58ee565dfe909a576bd4ea9061ee816746283086ea5df6f2a6bfb5178a99555b73fc86b50c6104bce79c5beec97eef1e7e23cd96c7ccd6

Download Submit
C:\Windows\svchost.exe

Filesize
4.4MB

MD5
487fc0841b35860747925942bfb5f1cd

SHA1
4e6777bcb17c7c8a7780e75868c8978c7c31e680

SHA256
72e4cefeac545a6da8d753124a83a92c3e743ea0a2cbcb0596ff085bc3e69ab2

SHA512
44d837cf628ab02a87472d33e1e14c93e1f263ba03c91e26b3e06e5e9231cb80557784cdc8dd6aff777f1932952dda72e8968ab331ea0784e133b48f30dca9cd

Download Submit
C:\Windows\svchost.exe

Filesize
4.4MB

MD5
487fc0841b35860747925942bfb5f1cd

SHA1
4e6777bcb17c7c8a7780e75868c8978c7c31e680

SHA256
72e4cefeac545a6da8d753124a83a92c3e743ea0a2cbcb0596ff085bc3e69ab2

SHA512
44d837cf628ab02a87472d33e1e14c93e1f263ba03c91e26b3e06e5e9231cb80557784cdc8dd6aff777f1932952dda72e8968ab331ea0784e133b48f30dca9cd

Download Submit
C:\Windows\ts.dll

Filesize
3KB

MD5
f9edc8d7adf09dba0b731f5c209b45be

SHA1
701cee7abd413510b1172fa1f914fc60fc8914f8

SHA256
0d40f792e0c7cc03e586bbdfb69f6a0d82a1253e39975b1f87c5cf6db676e277

SHA512
9861f58ca585a5c0be4e1110a63d880d75900e2da3698b0cc3066b2bd486ca128cc30003556f4356b5aec137fd89055b9b724789c9e4ea35bde392aa4e60b3ba

Download Submit
C:\Windows\ts.dll

Filesize
3KB

MD5
f9edc8d7adf09dba0b731f5c209b45be

SHA1
701cee7abd413510b1172fa1f914fc60fc8914f8

SHA256
0d40f792e0c7cc03e586bbdfb69f6a0d82a1253e39975b1f87c5cf6db676e277

SHA512
9861f58ca585a5c0be4e1110a63d880d75900e2da3698b0cc3066b2bd486ca128cc30003556f4356b5aec137fd89055b9b724789c9e4ea35bde392aa4e60b3ba

Download Submit
C:\Windows\ts.dll

Filesize
3KB

MD5
f9edc8d7adf09dba0b731f5c209b45be

SHA1
701cee7abd413510b1172fa1f914fc60fc8914f8

SHA256
0d40f792e0c7cc03e586bbdfb69f6a0d82a1253e39975b1f87c5cf6db676e277

SHA512
9861f58ca585a5c0be4e1110a63d880d75900e2da3698b0cc3066b2bd486ca128cc30003556f4356b5aec137fd89055b9b724789c9e4ea35bde392aa4e60b3ba

Download Submit
C:\Windows\tv.dll

Filesize
96KB

MD5
16ea8b59f4ba4f5a61fe1b8cd6050c94

SHA1
d1b6f248a30595b05110c5b693d2c9a6a494c9cf

SHA256
531c7fe97c6825b0aa2298fda4d4da836cc4e6028a423b05c55bb6b3669aae5c

SHA512
5fb879e60a91743e6f58ee565dfe909a576bd4ea9061ee816746283086ea5df6f2a6bfb5178a99555b73fc86b50c6104bce79c5beec97eef1e7e23cd96c7ccd6

Download Submit
memory/1712-138-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/1712-139-0x00000000007D0000-0x00000000007D3000-memory.dmp

Filesize
12KB

Download
memory/1712-142-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/1712-143-0x00000000007D0000-0x00000000007D3000-memory.dmp

Filesize
12KB

Download

Analysis

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