e252c533572f241e7c1accf9f4c19c1f157f75edb6803148f391df8e0d75895e

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 11:46

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General

Target

ACpass.exe
Size

1.1MB
MD5

4e187e0549136e7a17d74449bb918458
SHA1

8a266b55c7e7bda8db8fc35f140776fad0d8c104
SHA256

b99041db57c7811509738ded80b9fa14a1be4e842eb8cf7c70b35cb66fdea62a
SHA512

c29ea549d69476b491d2b470eb025c652553dae1c81478349b2aded100328be59f39fc5282106ecb310caee17ba07b5ba7a41906e11f5dd0db89c060fd684ccc
SSDEEP

24576:EpniDGwA7mhhBLCpxtmA3Dai9vDE/PH3Uh32ARsa3kY2+mO8q:aiDGGhBL6xt5Z9bE/fkhmo13O+mOJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2792	is-Q57LE.tmp

Loads dropped DLL 3 IoCs

pid	Process
2968	ACpass.exe
2792	is-Q57LE.tmp
2792	is-Q57LE.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2792	is-Q57LE.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28
PID 2968 wrote to memory of 2792	2968	ACpass.exe	28

C:\Users\Admin\AppData\Local\Temp\ACpass.exe
"C:\Users\Admin\AppData\Local\Temp\ACpass.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Local\Temp\is-F985D.tmp\is-Q57LE.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-F985D.tmp\is-Q57LE.tmp" /SL4 $400BE "C:\Users\Admin\AppData\Local\Temp\ACpass.exe" 940451 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\is-2K9I8.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-F985D.tmp\is-Q57LE.tmp

Filesize
634KB

MD5
d291acbf9866b8846fe0629e690feb1a

SHA1
293314b11340d798d3c74e2416e2a43f267a25d6

SHA256
ab3e1fa210171e5ed2decc615c9328379ee3d29b55ee0e5d7ef6bece43f583eb

SHA512
320e68a67fdcf13dc25640cf68468abd9e0dc51b647f95277eebbd06c7c5ee298b1f68d4a01deb886979e42cbc3eddf16ac4db18884a96b1535598ba11ba36ed

Download Submit
memory/2792-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2968-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2968-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download