69b2d44c3badf4e77820dd4bcf6dde98d80ba7efb2fa8773f15eca5c1a7d2efd

Analysis

max time kernel
359s
max time network
367s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 15:07

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General

Target

Testing.rar
Size

37.8MB
MD5

cde07d911cd8f1e8e69f02cbc34253dc
SHA1

71ae4ce7b87345871fa8ab65c2018990e5bef447
SHA256

69b2d44c3badf4e77820dd4bcf6dde98d80ba7efb2fa8773f15eca5c1a7d2efd
SHA512

b37fd2db1f5c25f0875f5606d80d38b1153d8dfb9001993acbfc7434a3357a6458c7fe7fadd48827bbff52de69e07de38a2cc29f4a2647e83a1d31fc340dc370
SSDEEP

786432:e7x6lW3BVk3TE5VJjiIXy1gpfIWcRCq5Qn7yNTPYZZhtVfWn:46Yfk3TUZyicCl22N1a

Score

7^/10

pyinstaller

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
2640	Testing.exe
1440	Testing.exe
1904	Testing.exe
604	Testing.exe
2336	Testing.exe
1484	Testing.exe

Loads dropped DLL 27 IoCs

pid	Process
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1440	Testing.exe
1440	Testing.exe
1440	Testing.exe
1440	Testing.exe
1440	Testing.exe
1440	Testing.exe
1440	Testing.exe
1372	Process not Found
604	Testing.exe
604	Testing.exe
604	Testing.exe
604	Testing.exe
604	Testing.exe
604	Testing.exe
604	Testing.exe
1484	Testing.exe
1484	Testing.exe
1484	Testing.exe
1484	Testing.exe
1484	Testing.exe
1484	Testing.exe
1484	Testing.exe

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x00090000000147ea-38.dat	pyinstaller

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

System Information Discovery
T1082

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 80e866f67d99da01	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{33E63941-0571-11EF-8456-F62A48C4CCA6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\DownloadWindowPlacement = 2c0000000000000000000000ffffffffffffffffffffffffffffffff100100003d000000900300001d020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell\open\command\DelegateExecute = "{17FE9752-0B5A-4665-84CD-569794602F5C}"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.rar	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.rar\ = "rar_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\rar_auto_file\shell\open\CommandId = "IE.File"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2168	rundll32.exe
2176	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2176	7zFM.exe
Token: 35	2176	7zFM.exe
Token: SeSecurityPrivilege	2176	7zFM.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2664	iexplore.exe
2664	iexplore.exe
2664	iexplore.exe
2176	7zFM.exe
2176	7zFM.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2664	iexplore.exe
2664	iexplore.exe
2756	IEXPLORE.EXE
2756	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 2168	836	cmd.exe	29
PID 836 wrote to memory of 2168	836	cmd.exe	29
PID 836 wrote to memory of 2168	836	cmd.exe	29
PID 2168 wrote to memory of 2664	2168	rundll32.exe	30
PID 2168 wrote to memory of 2664	2168	rundll32.exe	30
PID 2168 wrote to memory of 2664	2168	rundll32.exe	30
PID 2664 wrote to memory of 2756	2664	iexplore.exe	32
PID 2664 wrote to memory of 2756	2664	iexplore.exe	32
PID 2664 wrote to memory of 2756	2664	iexplore.exe	32
PID 2664 wrote to memory of 2756	2664	iexplore.exe	32
PID 2640 wrote to memory of 1440	2640	Testing.exe	38
PID 2640 wrote to memory of 1440	2640	Testing.exe	38
PID 2640 wrote to memory of 1440	2640	Testing.exe	38
PID 1904 wrote to memory of 604	1904	Testing.exe	42
PID 1904 wrote to memory of 604	1904	Testing.exe	42
PID 1904 wrote to memory of 604	1904	Testing.exe	42
PID 2336 wrote to memory of 1484	2336	Testing.exe	44
PID 2336 wrote to memory of 1484	2336	Testing.exe	44
PID 2336 wrote to memory of 1484	2336	Testing.exe	44

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Testing.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Testing.rar
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Testing.rar
    3⤵
    - Modifies Internet Explorer Phishing Filter
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2664 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2756

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\Testing.rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2176

C:\Users\Admin\Desktop\Testing.exe
"C:\Users\Admin\Desktop\Testing.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\Desktop\Testing.exe
  "C:\Users\Admin\Desktop\Testing.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1440

C:\Users\Admin\Desktop\Testing.exe
"C:\Users\Admin\Desktop\Testing.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\Desktop\Testing.exe
  "C:\Users\Admin\Desktop\Testing.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:604

C:\Users\Admin\Desktop\Testing.exe
"C:\Users\Admin\Desktop\Testing.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\Desktop\Testing.exe
  "C:\Users\Admin\Desktop\Testing.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\_MEI23362\tcl\encoding\euc-cn.enc

Filesize
84KB

MD5
c5aa0d11439e0f7682dae39445f5dab4

SHA1
73a6d55b894e89a7d4cb1cd3ccff82665c303d5c

SHA256
1700af47dc012a48cec89cf1dfae6d1d0d2f40ed731eff6ca55296a055a11c00

SHA512
eee6058bd214c59bcc11e6de7265da2721c119cc9261cfd755a98e270ff74d2d73e3e711aa01a0e3414c46d82e291ef0df2ad6c65ca477c888426d5a1d2a3bc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
bcb8b9f6606d4094270b6d9b2ed92139

SHA1
bd55e985db649eadcb444857beed397362a2ba7b

SHA256
fa18d63a117153e2ace5400ed89b0806e96f0627d9db935906be9294a3038118

SHA512
869b2b38fd528b033b3ec17a4144d818e42242b83d7be48e2e6da6992111758b302f48f52e0dd76becb526a90a2b040ce143c6d4f0e009a513017f06b9a8f2b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
20ddf543a1abe7aee845de1ec1d3aa8e

SHA1
0eaf5de57369e1db7f275a2fffd2d2c9e5af65bf

SHA256
d045a72c3e4d21165e9372f76b44ff116446c1e0c221d9cea3ab0a1134a310e8

SHA512
96dd48df315a7eea280ca3da0965a937a649ee77a82a1049e3d09b234439f7d927d7fb749073d7af1b23dadb643978b70dcdadc6c503fe850b512b0c9c1c78dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
2554060f26e548a089cab427990aacdf

SHA1
8cc7a44a16d6b0a6b7ed444e68990ff296d712fe

SHA256
5ab003e899270b04abc7f67be953eaccf980d5bbe80904c47f9aaf5d401bb044

SHA512
fd4d5a7fe4da77b0222b040dc38e53f48f7a3379f69e2199639b9f330b2e55939d89ce8361d2135182b607ad75e58ee8e34b90225143927b15dcc116b994c506

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\python312.dll

Filesize
6.7MB

MD5
550288a078dffc3430c08da888e70810

SHA1
01b1d31f37fb3fd81d893cc5e4a258e976f5884f

SHA256
789a42ac160cef98f8925cb347473eeeb4e70f5513242e7faba5139ba06edf2d

SHA512
7244432fc3716f7ef27630d4e8fbc8180a2542aa97a01d44dca260ab43966dd8ac98b6023400b0478a4809aace1a128f1f4d6e544f2e591a5b436fd4c8a9d723

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI26402\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
C:\Users\Admin\Downloads\Testing.rar

Filesize
37.8MB

MD5
cde07d911cd8f1e8e69f02cbc34253dc

SHA1
71ae4ce7b87345871fa8ab65c2018990e5bef447

SHA256
69b2d44c3badf4e77820dd4bcf6dde98d80ba7efb2fa8773f15eca5c1a7d2efd

SHA512
b37fd2db1f5c25f0875f5606d80d38b1153d8dfb9001993acbfc7434a3357a6458c7fe7fadd48827bbff52de69e07de38a2cc29f4a2647e83a1d31fc340dc370

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI26402\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
4380d56a3b83ca19ea269747c9b8302b

SHA1
0c4427f6f0f367d180d37fc10ecbe6534ef6469c

SHA256
a79c7f86462d8ab8a7b73a3f9e469514f57f9fe456326be3727352b092b6b14a

SHA512
1c29c335c55f5f896526c8ee0f7160211fd457c1f1b98915bcc141112f8a730e1a92391ab96688cbb7287e81e6814cc86e3b057e0a6129cbb02892108bfafaf4

Download Submit
\Users\Admin\Desktop\Testing.exe

Filesize
38.3MB

MD5
c1ceeee113d2cbf736593450847efdbf

SHA1
d495ebf04b7fe46b4a04295745fe840564cf7691

SHA256
5c2b6a39c4fcbc39b9c7f01ab8a3117178796647869799c7cdb9561681bfca75

SHA512
4a954b837e182a756133177367980ec60be87678cbd4fe1a5a4d5d0f6c4c5ad95d4ed2be797d22193e87e2bfb7e7f8fbcd8f282618af023a7e559cd435e2d054

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads