9c27c452ff1ebbcfbb34f1062ae68285892c58c6bc5dcdf326718e8d17045c61

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 20:28

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General

Target

Solara/BootstrapperV1.18.exe
Size

11.2MB
MD5

7b7c9af10f65f91d0dfa704b47df1ab3
SHA1

56001ae93e167310c4c93e626599b2189717ab46
SHA256

06ec992467d151d23b2574124b6e7955087c3f32a684627acb8d505938bd1220
SHA512

1280660abf697fd92610224cd09b3b0db6539acea64bc715dc2605fb17a2be706c4595183744d4cb5b5781cb5aef7d5a2ad89a5bfdceb67f27b89921cd367582
SSDEEP

196608:gzzuYRi/rQvzqTYzbmP3zxfY1gD5MC7ZFWdaZSABYVNx6VyM70vEu:8uIizQrOemPDxg1qHs+EVNMyM708

Score

7^/10

discovery pyinstaller upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2288	Exela.exe
868	BootstrapperV1.18.exe
2280	Exela.exe
1184	Process not Found

Loads dropped DLL 16 IoCs

pid	Process
2652	BootstrapperV1.18.exe
2652	BootstrapperV1.18.exe
2288	Exela.exe
2280	Exela.exe
2280	Exela.exe
2280	Exela.exe
2280	Exela.exe
2280	Exela.exe
2280	Exela.exe
2280	Exela.exe
1184	Process not Found
1344	WerFault.exe
1344	WerFault.exe
1344	WerFault.exe
1344	WerFault.exe
1344	WerFault.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral3/files/0x000500000001c78d-114.dat	upx
behavioral3/memory/2280-116-0x000007FEF1C00000-0x000007FEF2066000-memory.dmp	upx

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral3/files/0x000c000000012284-4.dat	pyinstaller

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BootstrapperV1.18.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	868	BootstrapperV1.18.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2288	2652	BootstrapperV1.18.exe	31
PID 2652 wrote to memory of 2288	2652	BootstrapperV1.18.exe	31
PID 2652 wrote to memory of 2288	2652	BootstrapperV1.18.exe	31
PID 2652 wrote to memory of 2288	2652	BootstrapperV1.18.exe	31
PID 2652 wrote to memory of 868	2652	BootstrapperV1.18.exe	32
PID 2652 wrote to memory of 868	2652	BootstrapperV1.18.exe	32
PID 2652 wrote to memory of 868	2652	BootstrapperV1.18.exe	32
PID 2652 wrote to memory of 868	2652	BootstrapperV1.18.exe	32
PID 2288 wrote to memory of 2280	2288	Exela.exe	34
PID 2288 wrote to memory of 2280	2288	Exela.exe	34
PID 2288 wrote to memory of 2280	2288	Exela.exe	34
PID 868 wrote to memory of 1344	868	BootstrapperV1.18.exe	35
PID 868 wrote to memory of 1344	868	BootstrapperV1.18.exe	35
PID 868 wrote to memory of 1344	868	BootstrapperV1.18.exe	35

C:\Users\Admin\AppData\Local\Temp\Solara\BootstrapperV1.18.exe
"C:\Users\Admin\AppData\Local\Temp\Solara\BootstrapperV1.18.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\Exela.exe
  "C:\Users\Admin\AppData\Local\Temp\Exela.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Users\Admin\AppData\Local\Temp\Exela.exe
    "C:\Users\Admin\AppData\Local\Temp\Exela.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2280
- C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.18.exe
  "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.18.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 868 -s 1064
    3⤵
    - Loads dropped DLL
    PID:1344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Exela.exe

Filesize
10.3MB

MD5
b2e9b15dcac736d8369b071a0d1e522a

SHA1
4806153d01b3eb85f71fd65732749344341196f4

SHA256
f055295249d55f006eb5a8d5394ab2f25afebaba2d5dacdd4e8f41a139477575

SHA512
f6738d420a97ca40435efee845147af7e2d32a37d85c7e6831bff1bde2bee6f0bbfe78eb39d65c75747066dccc2c3af2a8f8242179f8af52bb2e367318507433

Download Submit
\Users\Admin\AppData\Local\Temp\BootstrapperV1.18.exe

Filesize
971KB

MD5
2458f330cda521460cc077238ab01b25

SHA1
13312b4dffbdda09da2f1848cc713bbe781c5543

SHA256
dc67b264b90e29cf5cffed4453de4567398faa7f3bf18e69e84033c5b33ab05c

SHA512
8f027ebd96901f5a22aad34191244b1786dfb66843cbe05a8470d930415d85d86430267da09e7f1a69b8011b170d229e7fb25ecf0bf7d9209d7b910b2cbab48b

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\python310.dll

Filesize
1.4MB

MD5
65015e7bf59f0af4f74f8462112e0ba2

SHA1
a3ce5d867b3f0ad81e7dad089db814d76400493d

SHA256
6f2c1c5ba0392319d41b8a4869053274cc728a05b3ee30dfc8bcf038a6c017fc

SHA512
cb0929d1e92ae6a12ad823b9faf7478b02b91e187300091a123d1c0e95e7fa7def54faa1fc2daacf4161e3922429ba8f711ae3220b01d3395fff8a7c28f96e6a

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI22882\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
memory/868-13-0x0000000000070000-0x000000000016A000-memory.dmp

Filesize
1000KB

Download
memory/868-11-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/868-115-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/868-124-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/868-125-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/2280-116-0x000007FEF1C00000-0x000007FEF2066000-memory.dmp

Filesize
4.4MB

Download