Overview
overview
10Static
static
313d2ddbb73...3e.exe
windows7-x64
313d2ddbb73...3e.exe
windows10-2004-x64
10248f6a88e2...75.exe
windows7-x64
3248f6a88e2...75.exe
windows10-2004-x64
103b3c25930d...c3.exe
windows10-2004-x64
105d4ab7321b...b1.exe
windows7-x64
35d4ab7321b...b1.exe
windows10-2004-x64
1064a91313eb...f3.exe
windows10-2004-x64
1078583cb35f...80.exe
windows10-2004-x64
107adf4e4d30...3b.exe
windows7-x64
37adf4e4d30...3b.exe
windows10-2004-x64
107eeb7d5105...82.exe
windows10-2004-x64
1085963051ec...13.exe
windows10-2004-x64
89b66df995...26.exe
windows7-x64
389b66df995...26.exe
windows10-2004-x64
108a339b5ec9...a4.exe
windows10-2004-x64
10948537d542...e0.exe
windows7-x64
3948537d542...e0.exe
windows10-2004-x64
109aaa505382...5d.exe
windows10-2004-x64
10a1fa8776d2...ff.exe
windows10-2004-x64
10a4673ac7aa...63.exe
windows7-x64
3a4673ac7aa...63.exe
windows10-2004-x64
10a6784f4b55...a5.exe
windows10-2004-x64
10c81bc7831e...44.exe
windows10-2004-x64
10db203dc135...0c.exe
windows7-x64
3db203dc135...0c.exe
windows10-2004-x64
10efd353ed4e...ec.exe
windows10-2004-x64
10Analysis
-
max time kernel
142s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
13d2ddbb73b782f7ef9b539d9c2f99d04cc83536205cbdf01fcfdbda6273b93e.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
13d2ddbb73b782f7ef9b539d9c2f99d04cc83536205cbdf01fcfdbda6273b93e.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
248f6a88e25b649d9173c39e07ca411784d808570bec48e3d3681ea589460f75.exe
Resource
win7-20240419-en
Behavioral task
behavioral4
Sample
248f6a88e25b649d9173c39e07ca411784d808570bec48e3d3681ea589460f75.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
3b3c25930d8e5239354b72caa7636c9cd244db255f2dbdad867a4095441c91c3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
5d4ab7321bf7b95b30cc71760a54f2de7172103b782fbdbcabcc012561d0f7b1.exe
Resource
win7-20240508-en
Behavioral task
behavioral7
Sample
5d4ab7321bf7b95b30cc71760a54f2de7172103b782fbdbcabcc012561d0f7b1.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
64a91313eb50dddfb61c52017487fbcae9e2ebfc5426285d97ea6e073db0e1f3.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
78583cb35ffed4865b6cde068216b6ee82dff5cb11522d6b1b2e33d713a21f80.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral10
Sample
7adf4e4d30d94f50091e644399565b03649ebda511d61b6156728120df42193b.exe
Resource
win7-20240221-en
Behavioral task
behavioral11
Sample
7adf4e4d30d94f50091e644399565b03649ebda511d61b6156728120df42193b.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral12
Sample
7eeb7d5105714891b20ada945a47c8b1144bfe9a5bfd2e9d3e958da52b062182.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
85963051ece1830904f1352feb417a21d0483c9ef3735855d49b257c6278df13.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral14
Sample
89b66df995df06c4b63c0874921e1da7192ea6c4fb2f7e991fb3bb68c2c25e26.exe
Resource
win7-20240508-en
Behavioral task
behavioral15
Sample
89b66df995df06c4b63c0874921e1da7192ea6c4fb2f7e991fb3bb68c2c25e26.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral16
Sample
8a339b5ec96af2011a66dc18e1650f9ce31815b69c4d565ca266ff41e286a1a4.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
948537d5425794f4ef3525416441d129812ac5d9ef9b35f1eacccf6948e60fe0.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
948537d5425794f4ef3525416441d129812ac5d9ef9b35f1eacccf6948e60fe0.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
9aaa50538204ad8ed2bed10632de494067e88887268d3beeb1f68815b03b325d.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral20
Sample
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
a4673ac7aa51c8f5ddda3a7edbf21cc12faacbdd4a054ee01df67f27a5332b63.exe
Resource
win7-20231129-en
Behavioral task
behavioral22
Sample
a4673ac7aa51c8f5ddda3a7edbf21cc12faacbdd4a054ee01df67f27a5332b63.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
a6784f4b550acc54cc3376066858e706933e32e7c275b9b79acf346dc3cd3da5.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral24
Sample
c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
db203dc135d244a9cc17433853b7a56001547d4cad091ced993ce64e9ba1250c.exe
Resource
win7-20240215-en
Behavioral task
behavioral26
Sample
db203dc135d244a9cc17433853b7a56001547d4cad091ced993ce64e9ba1250c.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe
Resource
win10v2004-20240508-en
General
-
Target
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe
-
Size
316KB
-
MD5
78c5fed6720bb71a532cfc30f99a1ae3
-
SHA1
de307b619e6e40f9ebea86a79fd3af1b6d8f02d3
-
SHA256
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff
-
SHA512
34cff8dac371277878e88971060be5df1ab7c51fa829f91ba09dba1f5e8dc119b466aba95586fd25d589f61c054f6d434a8b09176006a6a6e3e4257c70dcc5ce
-
SSDEEP
6144:Kyy+bnr+Bp0yN90QEo6vZrMgXGma0+qSNF1liCHpDZ7E:GMrVy90SmNRGfNLpe
Malware Config
Extracted
redline
mixa
185.161.248.75:4132
-
auth_value
9d14534b25ac495ab25b59800acf3bb2
Signatures
-
Processes:
a2051526.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a2051526.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a2051526.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a2051526.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a2051526.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection a2051526.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a2051526.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 2 IoCs
Processes:
resource yara_rule behavioral20/files/0x000700000002343d-46.dat family_redline behavioral20/memory/3140-47-0x0000000000330000-0x000000000035E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
Processes:
a2051526.exeb8991923.exepid Process 1608 a2051526.exe 3140 b8991923.exe -
Processes:
a2051526.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features a2051526.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" a2051526.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a2051526.exepid Process 1608 a2051526.exe 1608 a2051526.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a2051526.exedescription pid Process Token: SeDebugPrivilege 1608 a2051526.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exedescription pid Process procid_target PID 2800 wrote to memory of 1608 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 82 PID 2800 wrote to memory of 1608 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 82 PID 2800 wrote to memory of 1608 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 82 PID 2800 wrote to memory of 3140 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 88 PID 2800 wrote to memory of 3140 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 88 PID 2800 wrote to memory of 3140 2800 a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe"C:\Users\Admin\AppData\Local\Temp\a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2051526.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2051526.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8991923.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8991923.exe2⤵
- Executes dropped EXE
PID:3140
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
184KB
MD5d4c640fb500618ad6c9fc5fe7d3e784d
SHA1850df0880e1685ce709b44afbbb365cab4f0fec4
SHA256a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b
SHA512a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd
-
Filesize
168KB
MD5451663ed9afb726647c8db185da671ff
SHA15af25150891354f29a6ce1dd63609d2603adde60
SHA256cf2e3d105554107c3585dc9540ab6f27b2ab98297c4c9076510e29da174dc50c
SHA5128edada9a79d5b8229ca218dbcfe01267a766dc653bc855e39952dadcd97de534db61717f8f17661ab51b050517fb3d4b0d3e8464f73a1296b4e66c452d3fa2da