c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d

General

Target

c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe
Size

1.1MB
MD5

2437bf8036e97ea58743cffc2f4fef8a
SHA1

381a3d5c23e2e445b065f05f439dabc2b7ca2f79
SHA256

c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d
SHA512

551062a07580667f38dae05af378c7466453971b934f99c57c9315f5b3c330ba4b6ffd4d8d19800a51e650c4f93f25637d359b43cc76e1f80060f02bb5025c17
SSDEEP

24576:uis6goUNOwmE1KKntt73n2k27OvmvowkWMEEp86ECJn20wIgdw:LgLLhvttp2ZvXMppRA0wPdw

Score

9^/10

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nqkA48A.tmp	acprotect
C:\Users\Admin\AppData\Local\Temp\nqkA48A.tmp	acprotect
\Users\Admin\AppData\Local\Temp\nqkA48A.tmp	acprotect

Executes dropped EXE 1 IoCs

Processes:

is-HKF3H.tmp

pid process

1780 is-HKF3H.tmp

pid	process
1780	is-HKF3H.tmp

Loads dropped DLL 5 IoCs

Processes:

c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exeis-HKF3H.tmp

pid	process
2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe
2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe
1780	is-HKF3H.tmp
1780	is-HKF3H.tmp
1780	is-HKF3H.tmp

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

is-HKF3H.tmp

pid process

1780 is-HKF3H.tmp
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe

pid process

2040 c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe

pid	process
1780	is-HKF3H.tmp

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe

description	pid	process	target process
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp
PID 2040 wrote to memory of 1780	2040	c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe	is-HKF3H.tmp

C:\Users\Admin\AppData\Local\Temp\c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe
"C:\Users\Admin\AppData\Local\Temp\c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\is-EUHTN.tmp\is-HKF3H.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EUHTN.tmp\is-HKF3H.tmp" /SL4 $7012C "C:\Users\Admin\AppData\Local\Temp\c8b66d0b9f801b285562718a592c8091df121dc97b055093ce25dc0ff7c6704d.exe" 753343 51712
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:1780

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-EUHTN.tmp\is-HKF3H.tmp
Filesize
616KB

MD5
0e5fd0fc130e2380b08edca8f822f382

SHA1
e36aacde42ac8f297d3bffb379c021639ef4c06a

SHA256
d3f6c4e1b8e6d11661d4bdf79b438382bb5951e7a42cedbcac3ebbe88012373c

SHA512
efaabebb37413eb2a689be4070827dbeb9ba8f88f6a90a3ed33225c68eb02e43e4760dcfdf3e59eba589db0519e9ac447035ef9b3822c0414ccebdc79a5bde37

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EUHTN.tmp\is-HKF3H.tmp
Filesize
616KB

MD5
0e5fd0fc130e2380b08edca8f822f382

SHA1
e36aacde42ac8f297d3bffb379c021639ef4c06a

SHA256
d3f6c4e1b8e6d11661d4bdf79b438382bb5951e7a42cedbcac3ebbe88012373c

SHA512
efaabebb37413eb2a689be4070827dbeb9ba8f88f6a90a3ed33225c68eb02e43e4760dcfdf3e59eba589db0519e9ac447035ef9b3822c0414ccebdc79a5bde37

Download Submit
C:\Users\Admin\AppData\Local\Temp\nqkA48A.tmp
Filesize
172KB

MD5
fe763c2d71419352141c77c310e600d2

SHA1
6bb51ebcbde9fe5556a74319b49bea37d5542d5e

SHA256
7fdf10ca02d2238e22fda18dfbede9750da9f257221802c8b86c557c19c9bc7b

SHA512
147b3a525b1fef98ae46923dcbe25edfcf7b523f347857466eefa88f09ec053ba309dfbee5f1454ec64aba0518ee21986c4b6a506f8550efb1163c8f04d7482c

Download Submit
\Users\Admin\AppData\Local\Temp\is-278QJ.tmp\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-278QJ.tmp\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-EUHTN.tmp\is-HKF3H.tmp
Filesize
616KB

MD5
0e5fd0fc130e2380b08edca8f822f382

SHA1
e36aacde42ac8f297d3bffb379c021639ef4c06a

SHA256
d3f6c4e1b8e6d11661d4bdf79b438382bb5951e7a42cedbcac3ebbe88012373c

SHA512
efaabebb37413eb2a689be4070827dbeb9ba8f88f6a90a3ed33225c68eb02e43e4760dcfdf3e59eba589db0519e9ac447035ef9b3822c0414ccebdc79a5bde37

Download Submit
\Users\Admin\AppData\Local\Temp\nqkA48A.tmp
Filesize
172KB

MD5
fe763c2d71419352141c77c310e600d2

SHA1
6bb51ebcbde9fe5556a74319b49bea37d5542d5e

SHA256
7fdf10ca02d2238e22fda18dfbede9750da9f257221802c8b86c557c19c9bc7b

SHA512
147b3a525b1fef98ae46923dcbe25edfcf7b523f347857466eefa88f09ec053ba309dfbee5f1454ec64aba0518ee21986c4b6a506f8550efb1163c8f04d7482c

Download Submit
\Users\Admin\AppData\Local\Temp\nqkA48A.tmp
Filesize
172KB

MD5
fe763c2d71419352141c77c310e600d2

SHA1
6bb51ebcbde9fe5556a74319b49bea37d5542d5e

SHA256
7fdf10ca02d2238e22fda18dfbede9750da9f257221802c8b86c557c19c9bc7b

SHA512
147b3a525b1fef98ae46923dcbe25edfcf7b523f347857466eefa88f09ec053ba309dfbee5f1454ec64aba0518ee21986c4b6a506f8550efb1163c8f04d7482c

Download Submit
memory/1780-60-0x0000000000000000-mapping.dmp

Download
memory/1780-73-0x00000000004B0000-0x0000000000523000-memory.dmp

Filesize
460KB

Download
memory/1780-76-0x00000000004B0000-0x0000000000523000-memory.dmp

Filesize
460KB

Download
memory/2040-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2040-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2040-55-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/2040-68-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2040-69-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2040-70-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2040-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2040-71-0x0000000000420000-0x0000000000493000-memory.dmp

Filesize
460KB

Download
memory/2040-74-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2040-75-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads