fb6b1171776554a808c62f4045f5167603f70bf7611de64311ece0624b365397

Resubmissions

04-05-2024 12:03

240504-n775gagb73 8

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 12:03

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General

Target

$TEMP/DeltaTB.exe
Size

767KB
MD5

eb2764885565b6c01cb32e5f51f213b3
SHA1

cc41cadbbd6ba6ed0bfdd17798b4c9f94d7955e0
SHA256

d7146999ff94b3ae092f3213ddf0217615f1d38798393b66778d11aae2b68eaf
SHA512

ac88795b2e8260ace9eb57d2a3fdc4aadb18e2cb0afd780459f51d25f83b34f7033425dc712655e423eba4e011fd2776f53463042f2c2d9dd427554c04cc840e
SSDEEP

12288:XSsZfDKTpv0aNjLDiIx56qQDtOZTIzOjAWe0YiZ2PADaRx6Zfuc//yTuXbdir7+:XSiGTpTLDxxwqQcqOj5eyHox6ZGmAuXr

Score

7^/10

evasion spyware stealer trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid	Process
4956	Setup.exe

Loads dropped DLL 2 IoCs

Processes:

rundll32.exeSetup.exe

pid	Process
3360	rundll32.exe
4956	Setup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Setup.exerundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exeSetup.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Internet Explorer\IECookies = "\|affilID=\|trkInfo=\|visitorID=\|URI="	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Internet Explorer\IESettingSync	Setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	Setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	Setup.exe

Modifies registry class 2 IoCs

Processes:

Setup.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Test.cap	Setup.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\CLASSES\TEST.CAP	Setup.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Setup.exe

pid	Process
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe
4956	Setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Setup.exe

description	pid	Process
Token: SeTakeOwnershipPrivilege	4956	Setup.exe
Token: SeTakeOwnershipPrivilege	4956	Setup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Setup.exe

pid	Process
4956	Setup.exe
4956	Setup.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

DeltaTB.exe

description	pid	Process	procid_target
PID 2824 wrote to memory of 4956	2824	DeltaTB.exe	84
PID 2824 wrote to memory of 4956	2824	DeltaTB.exe	84
PID 2824 wrote to memory of 4956	2824	DeltaTB.exe	84

C:\Users\Admin\AppData\Local\Temp\$TEMP\DeltaTB.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\DeltaTB.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\Setup.exe" -xprm="cat=delta" -expg=none Files\Common Files
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4956
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\C5DB7E~1\IEHelper.dll,UpdateProtectedModeCookieCache URI|http://babylon.com
    3⤵
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Modifies Internet Explorer settings
    PID:3360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\Babylon.dat

Filesize
12KB

MD5
825e5733974586a0a1229a53361ed13e

SHA1
9ec5b8944c6727fda6fdc3c18856884554cf6b31

SHA256
0a90b96eaf5d92d33b36f73b36b7f9ce3971e5f294da51ed04da3fb43dd71a96

SHA512
ff039e86873a1014b1f8577aec9b4230126b41cc204a6911cd372d224b8c07996d4bb2728a06482c5e98fb21f2d525395491f29d428cdd5796a26e372af5ad4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\HtmlScreens\loading.html

Filesize
644B

MD5
f50fa4673555652289652753183fd1ee

SHA1
f496797f0d34eb866d6328d2fd1492b485f74d0a

SHA256
afb21b51cead30ed14f79293d50b9c3c7a706b5287aad6cde06ea44a364df812

SHA512
6e92b13343ad35a8a8c61e54ce3abb9a28abeec4aa8c765326e0d1ec111c7656d8f0f349c44820fb1aba6730c22f84f7411c0c0b24322bdaa8a977b79baa23da

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\HtmlScreens\pBar.gif

Filesize
3KB

MD5
26621cb27bbc94f6bab3561791ac013b

SHA1
4010a489350cf59fd8f36f8e59b53e724c49cc5b

SHA256
e512d5b772fef448f724767662e3a6374230157e35cab6f4226496acc7aa7ad3

SHA512
9a19e8f233113519b22d9f3b205f2a3c1b59669a0431a5c3ef6d7ed66882b93c8582f3baa13df4647bcc265d19f7c6543758623044315105479d2533b11f92c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\IEHelper.dll

Filesize
6KB

MD5
a21de5067618d4f2df261416315ed120

SHA1
7759a3318de2abc3755ebb7f50322c6d586b5286

SHA256
6d13d2967a37ba76f840cd45dba565c5d64938a99d886243f01713cd018e53ca

SHA512
6b5c40d09a9548fde90c1b1127a36e813525bea6ff80d5fb0911ddef67954b209df44cbf4714cd00c4e2e4da90cfc4967db7174c28f751f7c5b881fa18cc938a

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\Setup.exe

Filesize
1.8MB

MD5
26f6d1b6756a83de9755a05f7c030d75

SHA1
935f58155f74b051f9123b6022b7d358b52b146f

SHA256
2acab7c986bbf80578c3bd998dd2d853257719ceb74c9d30bb4ea28952403d5b

SHA512
af9603572bddb6244a7ab0484cb3ac9ed7c91b1cea3e3f8c8886478930dbc102925b45ed094eaa2801755644e3bb4a4c0685a423f937f4b02af16feec56e4f6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\SetupStrings.dat

Filesize
89KB

MD5
407846797c5ba247abeb5fa7c0c0ba05

SHA1
44386455eed8e74d75e95e9e81e96a19f0b27884

SHA256
0147b5b11b935310752666fcf1e6afc922b76ff03d01a0d1ee2babeac10ca1e3

SHA512
7399a9228f971698db7362aad28d3f9694c0bf453d4529e48bc7869af0960452cfe1a5f0a5754e7d567d81b5aa1e35be05a9e36ec745e5470d20fd44a61d20af

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab033.tbinst.dat

Filesize
205B

MD5
90713ab7a74884cd36a5fb4cfcdece8a

SHA1
7bb56d08fd69a98e543b923bd0a9156f92a9c473

SHA256
bc40813f6d07dbc1a4d4c74363460d1ad6ee76275729de4c4f10ec40d8cc46eb

SHA512
639d68135fb54264f2e21081d6ca9ffe73a94035982f4a2d7133d6d402cdd3ef4a695eeb61ad173dc6d1b8167d1f5df2be61a972c96f07ac357ecec887a0d191

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab091.norecovericon.dat

Filesize
174B

MD5
4f6e1fdbef102cdbd379fdac550b9f48

SHA1
5da6ee5b88a4040c80e5269e0cd2b0880b20659c

SHA256
e58ea352c050e6353fb5b4fa32a97800298c1603489d3b47794509af6c89ec4c

SHA512
54efc9bde44f332932a97396e59eca5b6ea1ac72f929ccffa1bdab96dc3ae8d61e126adbd26d12d0bc83141cee03b24ad2bada411230c4708b7a9ae9c60aecbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab148.spreg.dat

Filesize
249B

MD5
a4af0a0c254b38f2f9eecbf0e00b08fe

SHA1
ef730bce77699730dda378dc444b997ce7ceea7a

SHA256
810e0e32d54b9e1557da7ccf1ca9f6354814e90dadc6b4af5e1cbdf87fac925a

SHA512
b74596e55e75413303559c135db393a04d6fd6cbab147a51ac2f46435f52b92b82868de4e67917a7b388d82c672fa36b525b88e2eefe7ec40695f028395dcd84

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab187.wl.dat

Filesize
234B

MD5
6358860cd0c336c1f91f86be701d77c4

SHA1
5dd38b818bf0860b4c5144ba670a759d4345e4ec

SHA256
2ed42e3c958eb21352bae4b00db2fa5be94149abc64eec93e5258b9c4a715457

SHA512
7df3b3e1487d3a65000b6208969f1e695815133c052f369beb36877fe5c6f64d979aefd030a193b04a5e46fb0d97a3cc06837aa381efe6bc24a0c084c768dac1

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab307.sp_pop0.dat

Filesize
178B

MD5
0b7be9c4b72c2c5166bfd61ca5ebbfed

SHA1
aea0aa4e8226c1b4efce92e909da773744baa6d4

SHA256
673bf972d308bc6108360575608cf72f393413f2d3993489b06da4a6efc749bd

SHA512
4dcd7ea01b05550acb00b71e7e9fdd52a04fe1cc574655030dcae94b87dad86bfb7973adf9185de03bcacb100fff758b1a2f928fcb951e2b31e320860a2226d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\bab456.TB_OldWay.dat

Filesize
174B

MD5
7e72d256e34635d351092955d1f8516b

SHA1
7f240f8f4bd61ae59247d84d0ec85f5bc8729f36

SHA256
39eb1667a67149b5d930e5408896027e3c3fc06282735e61cb8d85f5b38f587c

SHA512
621eb4bf2864db2fa0f861c233ced790124e9060c081948beb7117f8c058a36ecca23ee05ce2d6d42af15533c050f648d276589682d91dfe699ebe871cc9ae8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5DB7E89-BAB0-7891-9825-A78AE04AF745\sqlite3.dll

Filesize
508KB

MD5
0f66e8e2340569fb17e774dac2010e31

SHA1
406bb6854e7384ff77c0b847bf2f24f3315874a3

SHA256
de818c832308b82c2fabd5d3d4339c489e6f4e9d32bb8152c0dcd8359392695f

SHA512
39275df6e210836286e62a95ace7f66c7d2736a07b80f9b7e9bd2a716a6d074c79deae54e2d21505b74bac63df0328d6780a2129cdfda93aec1f75b523da9e05

Download Submit
memory/4956-36-0x0000000060900000-0x0000000060970000-memory.dmp

Filesize
448KB

Download