strela | 00a8d34b48ca1f7d4f05c17c467b4d54632be4deae51ea66cd72b25e95b70a33

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24/08/2023, 10:15

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General

Target

233792750017048.js
Size

4.9MB
MD5

ae7f9803781551542ce72c9c226f696a
SHA1

cc757b95c3156c28009e60e71e8e55b751384d12
SHA256

00a8d34b48ca1f7d4f05c17c467b4d54632be4deae51ea66cd72b25e95b70a33
SHA512

fca4b968ab43cf6a46aead353906d4d20a1cd81774116d6fb17adc84b4fb402f130b77ce3a9e62cbc519dd69368d4336e0fa9ed8d780691ded472b451aebada9
SSDEEP

49152:C57jrh80ODxbzepJrMzqQPLgAs+26hgUJf2pUbU5:ycc

Score

10^/10

strela stealer

Malware Config

Extracted

Family

strela

193.109.85.77

Signatures

Strela
An info stealer targeting mail credentials first seen in late 2022.
stealer strela

Loads dropped DLL 1 IoCs

pid	Process
2724	regsvr32.exe

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

System Information Discovery
T1082

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2724	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2556	1312	wscript.exe	30
PID 1312 wrote to memory of 2556	1312	wscript.exe	30
PID 1312 wrote to memory of 2556	1312	wscript.exe	30
PID 2556 wrote to memory of 2120	2556	cmd.exe	32
PID 2556 wrote to memory of 2120	2556	cmd.exe	32
PID 2556 wrote to memory of 2120	2556	cmd.exe	32
PID 2556 wrote to memory of 2568	2556	cmd.exe	33
PID 2556 wrote to memory of 2568	2556	cmd.exe	33
PID 2556 wrote to memory of 2568	2556	cmd.exe	33
PID 2556 wrote to memory of 2724	2556	cmd.exe	34
PID 2556 wrote to memory of 2724	2556	cmd.exe	34
PID 2556 wrote to memory of 2724	2556	cmd.exe	34
PID 2556 wrote to memory of 2724	2556	cmd.exe	34
PID 2556 wrote to memory of 2724	2556	cmd.exe	34

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\233792750017048.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\233792750017048.js" "C:\Users\Admin\AppData\Local\Temp\\unsuitablediscussion.bat" && "C:\Users\Admin\AppData\Local\Temp\\unsuitablediscussion.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\findstr.exe
    findstr /V pastroute ""C:\Users\Admin\AppData\Local\Temp\\unsuitablediscussion.bat""
    3⤵
    PID:2120
- - C:\Windows\system32\certutil.exe
    certutil -f -decode wholesalespectacular psychoticauthority.dll
    3⤵
    PID:2568
- - C:\Windows\system32\regsvr32.exe
    regsvr32 psychoticauthority.dll
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:2724

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

C:\Users\Admin\AppData\Local\Temp\psychoticauthority.dll

Filesize
3.6MB

MD5
b040c158a4692899d994fe22f9cc29ed

SHA1
056cc8064087e7adaa2089a6d885bceb8cd05a76

SHA256
7e6d8a3bc6471df73fd3b428fa09cc4ae583dce540ec05c81a3bd9445331657a

SHA512
b83502d855bc1ffe99295d12c19d3641d9c180fbd0259399470e084e45d5f2c66ca246404111b925dc0f76df30b42d4419b4d77a3f614c31e21ba3b6c086e459

Download Submit
C:\Users\Admin\AppData\Local\Temp\unsuitablediscussion.bat

Filesize
4.9MB

MD5
ae7f9803781551542ce72c9c226f696a

SHA1
cc757b95c3156c28009e60e71e8e55b751384d12

SHA256
00a8d34b48ca1f7d4f05c17c467b4d54632be4deae51ea66cd72b25e95b70a33

SHA512
fca4b968ab43cf6a46aead353906d4d20a1cd81774116d6fb17adc84b4fb402f130b77ce3a9e62cbc519dd69368d4336e0fa9ed8d780691ded472b451aebada9

Download Submit
C:\Users\Admin\AppData\Local\Temp\unsuitablediscussion.bat

Filesize
4.9MB

MD5
ae7f9803781551542ce72c9c226f696a

SHA1
cc757b95c3156c28009e60e71e8e55b751384d12

SHA256
00a8d34b48ca1f7d4f05c17c467b4d54632be4deae51ea66cd72b25e95b70a33

SHA512
fca4b968ab43cf6a46aead353906d4d20a1cd81774116d6fb17adc84b4fb402f130b77ce3a9e62cbc519dd69368d4336e0fa9ed8d780691ded472b451aebada9

Download Submit
C:\Users\Admin\AppData\Local\Temp\wholesalespectacular

Filesize
4.8MB

MD5
9f1f1a15336f8b541541186475c8d8fd

SHA1
17614b8c2e2c3f4dc28e1eac8bbc81afcd2d43d0

SHA256
6db907d4f11d466bf1039f8a223796f6a0e212f193b9af0829ecd6f6d002b2c5

SHA512
0d15ac9fb0cd73cce5a9ed3605a061708ec7b4a4caf70ddb7a701f27fd4d999b4c1b595a0c8a5ae54b00fd276510f9460be7625e9d9bf211111f4c487ad902bb

Download Submit
\Users\Admin\AppData\Local\Temp\psychoticauthority.dll

Filesize
3.6MB

MD5
b040c158a4692899d994fe22f9cc29ed

SHA1
056cc8064087e7adaa2089a6d885bceb8cd05a76

SHA256
7e6d8a3bc6471df73fd3b428fa09cc4ae583dce540ec05c81a3bd9445331657a

SHA512
b83502d855bc1ffe99295d12c19d3641d9c180fbd0259399470e084e45d5f2c66ca246404111b925dc0f76df30b42d4419b4d77a3f614c31e21ba3b6c086e459

Download Submit
memory/2724-8122-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download
memory/2724-8123-0x000000006D7C0000-0x000000006DB66000-memory.dmp

Filesize
3.6MB

Download
memory/2724-8124-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download