a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239

Analysis

max time kernel
120s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 16:47

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General

Target

SolaraBootstrapper.exe
Size

13KB
MD5

6557bd5240397f026e675afb78544a26
SHA1

839e683bf68703d373b6eac246f19386bb181713
SHA256

a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
SHA512

f2399d34898a4c0c201372d2dd084ee66a66a1c3eae949e568421fe7edada697468ef81f4fcab2afd61eaf97bcb98d6ade2d97295e2f674e93116d142e892e97
SSDEEP

192:konexQO0FoAWyEfJkVIaqaLHmr/XKT0ifnTJ1jvVXctNjA:HnexHAWyEfJoIaqayzKAifd1LVEj

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	SolaraBootstrapper.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Loads dropped DLL 5 IoCs

pid	Process
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x00080000000233cf-437.dat	themida
behavioral2/memory/3740-445-0x0000000180000000-0x0000000180B57000-memory.dmp	themida
behavioral2/memory/3740-454-0x0000000180000000-0x0000000180B57000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
21	raw.githubusercontent.com
32	raw.githubusercontent.com
34	raw.githubusercontent.com
19	raw.githubusercontent.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4776	SolaraBootstrapper.exe
4776	SolaraBootstrapper.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe
3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	SolaraBootstrapper.exe
Token: SeDebugPrivilege	3740	cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 3740	4776	SolaraBootstrapper.exe	88
PID 4776 wrote to memory of 3740	4776	SolaraBootstrapper.exe	88

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
  "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Core.dll

Filesize
488KB

MD5
851fee9a41856b588847cf8272645f58

SHA1
ee185a1ff257c86eb19d30a191bf0695d5ac72a1

SHA256
5e7faee6b8230ca3b97ce9542b914db3abbbd1cb14fd95a39497aaad4c1094ca

SHA512
cf5c70984cf33e12cf57116da1f282a5bd6433c570831c185253d13463b0b9a0b9387d4d1bf4dddab3292a5d9ba96d66b6812e9d7ebc5eb35cb96eea2741348f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.WinForms.dll

Filesize
37KB

MD5
4cf94ffa50fd9bdc0bb93cceaede0629

SHA1
3e30eca720f4c2a708ec53fd7f1ba9e778b4f95f

SHA256
50b2e46c99076f6fa9c33e0a98f0fe3a2809a7c647bb509066e58f4c7685d7e6

SHA512
dc400518ef2f68920d90f1ce66fbb8f4dde2294e0efeecd3d9329aa7a66e1ab53487b120e13e15f227ea51784f90208c72d7fbfa9330d9b71dd9a1a727d11f98

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Wpf.dll

Filesize
43KB

MD5
34ec990ed346ec6a4f14841b12280c20

SHA1
6587164274a1ae7f47bdb9d71d066b83241576f0

SHA256
1e987b22cd011e4396a0805c73539586b67df172df75e3dded16a77d31850409

SHA512
b565015ca4b11b79ecbc8127f1fd40c986948050f1caefdd371d34ed2136af0aabf100863dc6fd16d67e3751d44ee13835ea9bf981ac0238165749c4987d1ae0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Newtonsoft.Json.dll

Filesize
695KB

MD5
195ffb7167db3219b217c4fd439eedd6

SHA1
1e76e6099570ede620b76ed47cf8d03a936d49f8

SHA256
e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

SHA512
56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\WebView2Loader.dll

Filesize
133KB

MD5
a0bd0d1a66e7c7f1d97aedecdafb933f

SHA1
dd109ac34beb8289030e4ec0a026297b793f64a3

SHA256
79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36

SHA512
2a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Wpf.Ui.dll

Filesize
5.2MB

MD5
aead90ab96e2853f59be27c4ec1e4853

SHA1
43cdedde26488d3209e17efff9a51e1f944eb35f

SHA256
46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed

SHA512
f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\bin\path.txt

Filesize
34B

MD5
0e2184f1c7464b6617329fb18f107b4f

SHA1
6f22f98471e33c9db10d6f6f1728e98852e25b8f

SHA256
dbf5f44e1b84a298dbbcad3c31a617d2f6cfa08eb5d16e05a5c28726c574d4eb

SHA512
8e745c0215d52e15702551f29efb882a5eba97b5f279ccc29293b1a9b1b8661bf71b548569f9a99fa35c35a15d1b6b288d3c381c1292418c36dc89e2fa0b3a37

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll

Filesize
4.4MB

MD5
d2707360ae563a7a10e27beba85a6cd9

SHA1
686e830b839fc63a65fdebe78aa90edd687e9257

SHA256
f69022372a947acb86bae76f312ab518c1eb5df954339a46c4be71b4a8f73557

SHA512
e9f2a99869936f64e427ad081059e35283bd40f2b0d85bffc23d4ce35277778d8bfe98057e077e62955b0299c3182d173cb91a3d96a3b5690e7de61d01a1e000

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

Filesize
90KB

MD5
d84e7f79f4f0d7074802d2d6e6f3579e

SHA1
494937256229ef022ff05855c3d410ac3e7df721

SHA256
dcfc2b4fa3185df415855ec54395d9c36612f68100d046d8c69659da01f7d227

SHA512
ed7b0ac098c8184b611b83158eaa86619001e74dba079d398b34ac694ce404ba133c2baf43051840132d6a3a089a375550072543b9fab2549d57320d13502260

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\libcurl.dll

Filesize
522KB

MD5
e31f5136d91bad0fcbce053aac798a30

SHA1
ee785d2546aec4803bcae08cdebfd5d168c42337

SHA256
ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671

SHA512
a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\vcruntime140.dll

Filesize
99KB

MD5
7a2b8cfcd543f6e4ebca43162b67d610

SHA1
c1c45a326249bf0ccd2be2fbd412f1a62fb67024

SHA256
7d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f

SHA512
e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\Solara.Dir\zlib1.dll

Filesize
113KB

MD5
75365924730b0b2c1a6ee9028ef07685

SHA1
a10687c37deb2ce5422140b541a64ac15534250f

SHA256
945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b

SHA512
c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1

Download Submit
memory/3740-419-0x00007FF979C93000-0x00007FF979C95000-memory.dmp

Filesize
8KB

Download
memory/3740-434-0x0000028420A70000-0x0000028420AEE000-memory.dmp

Filesize
504KB

Download
memory/3740-427-0x000002841FFA0000-0x0000028420052000-memory.dmp

Filesize
712KB

Download
memory/3740-428-0x00007FF979C90000-0x00007FF97A751000-memory.dmp

Filesize
10.8MB

Download
memory/3740-429-0x000002841FE70000-0x000002841FE92000-memory.dmp

Filesize
136KB

Download
memory/3740-420-0x00000284055F0000-0x000002840560A000-memory.dmp

Filesize
104KB

Download
memory/3740-431-0x0000028407550000-0x000002840755E000-memory.dmp

Filesize
56KB

Download
memory/3740-432-0x00007FF979C90000-0x00007FF97A751000-memory.dmp

Filesize
10.8MB

Download
memory/3740-449-0x0000028420A60000-0x0000028420A68000-memory.dmp

Filesize
32KB

Download
memory/3740-454-0x0000000180000000-0x0000000180B57000-memory.dmp

Filesize
11.3MB

Download
memory/3740-423-0x0000028420170000-0x00000284206AC000-memory.dmp

Filesize
5.2MB

Download
memory/3740-452-0x00000284073A0000-0x00000284074BF000-memory.dmp

Filesize
1.1MB

Download
memory/3740-425-0x000002841FEE0000-0x000002841FF9A000-memory.dmp

Filesize
744KB

Download
memory/3740-445-0x0000000180000000-0x0000000180B57000-memory.dmp

Filesize
11.3MB

Download
memory/3740-424-0x00007FF979C90000-0x00007FF97A751000-memory.dmp

Filesize
10.8MB

Download
memory/3740-453-0x00007FF979C90000-0x00007FF97A751000-memory.dmp

Filesize
10.8MB

Download
memory/3740-451-0x0000028424F80000-0x0000028424F8E000-memory.dmp

Filesize
56KB

Download
memory/3740-450-0x0000028424FB0000-0x0000028424FE8000-memory.dmp

Filesize
224KB

Download
memory/4776-5-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/4776-1-0x0000000000180000-0x000000000018A000-memory.dmp

Filesize
40KB

Download
memory/4776-2-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/4776-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/4776-3-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/4776-421-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download