strrat | 4ac9e3bd0c9ffb1ef7e5c656a7fcf9b3a7de2a5e9c5595176d8770d0648da469

Analysis

max time kernel
82s
max time network
53s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
20/07/2022, 08:36

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General

Target
Request For Quotation.js
Size 182KB
Sample220720-khkfbsdfd5
SHA256 4ac9e3bd0c9ffb1ef7e5c656a7fcf9b3a7de2a5e9c5595176d8770d0648da469
MD5 7542be6c09b77bafb1f02ca0766e8748
SHA1 7c4d8a113db7e7d2a3edb7a34ff9a4a9cb9c391a
SHA512 6573fd08be25fd782a58d7677bea796ffd1effa1bee0ff22db716843919b12f33b1d7ee3e865173df79563bead153d5ec170548750f3797c0023814237e93cbe
MD5 SHA1 SHA512

Score

10^/10

strrat persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qycjnzajv.txt	java.exe

Loads dropped DLL 1 IoCs

pid	Process
288	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\qycjnzajv = "\"C:\\Users\\Admin\\AppData\\Roaming\\qycjnzajv.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qycjnzajv = "\"C:\\Users\\Admin\\AppData\\Roaming\\qycjnzajv.txt\""	java.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
808	schtasks.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1652	1996	wscript.exe	27
PID 1996 wrote to memory of 1652	1996	wscript.exe	27
PID 1996 wrote to memory of 1652	1996	wscript.exe	27
PID 1996 wrote to memory of 1812	1996	wscript.exe	28
PID 1996 wrote to memory of 1812	1996	wscript.exe	28
PID 1996 wrote to memory of 1812	1996	wscript.exe	28
PID 1812 wrote to memory of 288	1812	javaw.exe	29
PID 1812 wrote to memory of 288	1812	javaw.exe	29
PID 1812 wrote to memory of 288	1812	javaw.exe	29
PID 288 wrote to memory of 1244	288	java.exe	31
PID 288 wrote to memory of 1244	288	java.exe	31
PID 288 wrote to memory of 1244	288	java.exe	31
PID 288 wrote to memory of 984	288	java.exe	33
PID 288 wrote to memory of 984	288	java.exe	33
PID 288 wrote to memory of 984	288	java.exe	33
PID 1244 wrote to memory of 808	1244	cmd.exe	34
PID 1244 wrote to memory of 808	1244	cmd.exe	34
PID 1244 wrote to memory of 808	1244	cmd.exe	34

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\xwzxoFPAGF.js"
  2⤵
  PID:1652
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\qycjnzajv.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Program Files\Java\jre7\bin\java.exe
    "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\qycjnzajv.txt"
    3⤵
    - Drops startup file
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:288
  - - C:\Windows\system32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qycjnzajv.txt"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1244
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qycjnzajv.txt"
        5⤵
        Creates scheduled task(s)
        
        PID:808
  - - C:\Program Files\Java\jre7\bin\java.exe
      "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\qycjnzajv.txt"
      4⤵
      PID:984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

83aa4cc77f591dfc2374580bbd95f6ba_7c53fe69-5b94-496b-96b7-9f57c3c2be05

Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3440072777-2118400376-1759599358-1000\83aa4cc77f591dfc2374580bbd95f6ba_7c53fe69-5b94-496b-96b7-9f57c3c2be05
Size 45B
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
MD5 SHA1 SHA512

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qycjnzajv.txt

Path C:\Users\Admin\AppData\Roaming\qycjnzajv.txt
Size 92KB
SHA256 20ad6197b8d0b6b2764f90ef38bace3e230cb2878db9a30778db0e4ef042a039
MD5 391907cc91179ada8c93dfb70cf2fa56
SHA1 da55acbf6aafe2f376bf4ebd3ff8fbf99cf4966d
SHA512 931c419c6fff67cc0973eaa67c771aafa573ad5875b1db93ed4ec52e1f20f7e567a0f7c44d916de1d8e77407fe83eb2418fc9c0ba457bd05ef1f742bc4ed0afc
SSDEEP 1536:Vv/O1A/qP169QQ1+j93c28nGSPPsFNE0TpL5GjYTAa4he3sTHGvzvxepfHr5I:Vvb/qP1WQ1jEG2PANFT95GkTb3sSvOLq
MD5 SHA1 SHA512 SSDEEP

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qycjnzajv.txt

Path C:\Users\Admin\AppData\Roaming\qycjnzajv.txt
Size 92KB
SHA256 20ad6197b8d0b6b2764f90ef38bace3e230cb2878db9a30778db0e4ef042a039
MD5 391907cc91179ada8c93dfb70cf2fa56
SHA1 da55acbf6aafe2f376bf4ebd3ff8fbf99cf4966d
SHA512 931c419c6fff67cc0973eaa67c771aafa573ad5875b1db93ed4ec52e1f20f7e567a0f7c44d916de1d8e77407fe83eb2418fc9c0ba457bd05ef1f742bc4ed0afc
SSDEEP 1536:Vv/O1A/qP169QQ1+j93c28nGSPPsFNE0TpL5GjYTAa4he3sTHGvzvxepfHr5I:Vvb/qP1WQ1jEG2PANFT95GkTb3sSvOLq
MD5 SHA1 SHA512 SSDEEP

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xwzxoFPAGF.js

Path C:\Users\Admin\AppData\Roaming\xwzxoFPAGF.js
Size 857B
SHA256 ad40fd8d10016754ca4ccad608195fa4931b6d5b9379bcee183fd7b138f41c48
MD5 e3497f9024abb6c68e4322a2e9752e16
SHA1 20db9d07be12dd43d87ef10ceed809a289944744
SHA512 a73cbc44f3aff81c330373b408cd7094babb35092825e7df8946f01ec8261fabbfaab082d8b05e8b0fbed6644f406897596ffd695b7f417672ad23c0365fa0de
MD5 SHA1 SHA512

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jna-5.5.0.jar

Path C:\Users\Admin\lib\jna-5.5.0.jar
Size 1.4MB
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
SSDEEP 24576:BggLnybolJdaW+864NkqCUer8N7sSFOaj5lWOEMIKk6idJRWPTgzq3bICEz2lFO:BTnybo9aW+L5qCUO0xsiMPZrJgPLLIO6
MD5 SHA1 SHA512 SSDEEP

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jna-platform-5.5.0.jar

Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
Size 2.6MB
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
SSDEEP 24576:DyciOooDbK7Yw1J75n4BP/NtK2ov3mhDR6:3iOLDOZJ75nwtK2ovWh8
MD5 SHA1 SHA512 SSDEEP

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sqlite-jdbc-3.14.2.1.jar

Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Size 4.1MB
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
SSDEEP 98304:czJoX0izQbrabWo2MxgErRYxFOY8IsFWyTIiTIzMpca:cJoXHQKW9MxRr8wZZsikzMaa
MD5 SHA1 SHA512 SSDEEP

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system-hook-3.5.jar

Path C:\Users\Admin\lib\system-hook-3.5.jar
Size 772KB
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
SSDEEP 24576:IhCFW8WXvOsWW9XGmvcVfkfTnzrLvadKPpv:IhCYWstW202t
MD5 SHA1 SHA512 SSDEEP

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qycjnzajv.txt

Path C:\Users\Admin\qycjnzajv.txt
Size 92KB
SHA256 20ad6197b8d0b6b2764f90ef38bace3e230cb2878db9a30778db0e4ef042a039
MD5 391907cc91179ada8c93dfb70cf2fa56
SHA1 da55acbf6aafe2f376bf4ebd3ff8fbf99cf4966d
SHA512 931c419c6fff67cc0973eaa67c771aafa573ad5875b1db93ed4ec52e1f20f7e567a0f7c44d916de1d8e77407fe83eb2418fc9c0ba457bd05ef1f742bc4ed0afc
SSDEEP 1536:Vv/O1A/qP169QQ1+j93c28nGSPPsFNE0TpL5GjYTAa4he3sTHGvzvxepfHr5I:Vvb/qP1WQ1jEG2PANFT95GkTb3sSvOLq
MD5 SHA1 SHA512 SSDEEP

Submit Download

jna3505114905879076572.dll

Path \Users\Admin\AppData\Local\Temp\jna-63116079\jna3505114905879076572.dll
Size 241KB
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
SSDEEP 6144:YW2uuBVCg2ZF0xk5udHB7EkAgEEz2Lh2LDh+MDWHNaL7yyubjmiy9NBW:YW2uAC9sVEZL0vdnz
MD5 SHA1 SHA512 SSDEEP

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memory/288-76-0x0000000002250000-0x0000000005250000-memory.dmp

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memory/984-103-0x0000000002040000-0x0000000005040000-memory.dmp

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memory/984-104-0x0000000002040000-0x0000000005040000-memory.dmp

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memory/1812-69-0x00000000022B0000-0x00000000052B0000-memory.dmp

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memory/1996-54-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads