bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b

Analysis

max time kernel
56s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 21:01

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General

Target

bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b.exe
Size

2.0MB
MD5

60a1dff97cf52e44a348d18ddc5001ab
SHA1

7e47a5989acaaafaddc49080c8ceb948df48ad3a
SHA256

bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b
SHA512

d16baa51bc832bf6861c5395eebe0fa92ed490b034752bec4b6711fbb41f6af6ea0b480794a3068dfc5851e76e95a5e42fcc209a5f0ad7ef3589750acb198e6d
SSDEEP

49152:Gc2mJtifXDV2pG81LmHc7SdIh45Bk96ImuBve4dWyVI5YSZxxFQL1lKJmG:GrGif52Y81aHciIh4ruH9e4dWyVI5YgD

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/304-57-0x0000000000400000-0x00000000006D0000-memory.dmp	upx
behavioral1/memory/304-58-0x0000000000400000-0x00000000006D0000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
304	bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b.exe
304	bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b.exe

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b.exe
"C:\Users\Admin\AppData\Local\Temp\bf55073fa30fa56110b2d20248c18b2c26f44eaac147cdf440c76c8fef697b0b.exe"
1⤵
- Loads dropped DLL
PID:304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\ks-CF00O.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\ks-CF00O.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/304-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/304-57-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/304-58-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download