14f3d65d5855eedd82b0b826b537e9e975e209c529e00c9fd90265c833b2bdaa

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 19:11

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General

Target

BooststrapperV1.18.exe(1).exe
Size

11.2MB
MD5

115a4a8d78e7ca322e6649011ca539e0
SHA1

e9311329982d1e60ddad8eae9a6b5ee1c1a510f9
SHA256

14f3d65d5855eedd82b0b826b537e9e975e209c529e00c9fd90265c833b2bdaa
SHA512

d3e309e3ba975cb822a7ae236d04a5f3080463cb1f75ac668a4182fca237afb56072b942f8ada1b6d39c06ea7412e5ed881ba12c3a0c7cc64fc8cb283d23aab4
SSDEEP

196608:lRJp9MOAtu63ZqHFc+ZoyOOvth/83Jcb4kNK5VjPd9Cr6VfPsAIvYtBIOEz9poCo:lH3M1bJahGy7a3OKVSSknvYtBIDLxPM

Score

7^/10

discovery pyinstaller upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2056	Exela.exe
2560	BootstrapperV1.18.exe
1888	Exela.exe
1184	Process not Found

Loads dropped DLL 17 IoCs

pid	Process
3064	BooststrapperV1.18.exe(1).exe
3064	BooststrapperV1.18.exe(1).exe
332	Process not Found
2056	Exela.exe
1888	Exela.exe
1888	Exela.exe
1888	Exela.exe
1888	Exela.exe
1888	Exela.exe
1888	Exela.exe
1888	Exela.exe
2100	WerFault.exe
2100	WerFault.exe
2100	WerFault.exe
2100	WerFault.exe
2100	WerFault.exe
1184	Process not Found

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000001a4d4-114.dat	upx
behavioral1/memory/1888-116-0x000007FEF2EA0000-0x000007FEF3306000-memory.dmp	upx
behavioral1/memory/1888-122-0x000007FEF2EA0000-0x000007FEF3306000-memory.dmp	upx

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x000b00000001225e-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	BooststrapperV1.18.exe(1).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	BootstrapperV1.18.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2056	3064	BooststrapperV1.18.exe(1).exe	30
PID 3064 wrote to memory of 2056	3064	BooststrapperV1.18.exe(1).exe	30
PID 3064 wrote to memory of 2056	3064	BooststrapperV1.18.exe(1).exe	30
PID 3064 wrote to memory of 2056	3064	BooststrapperV1.18.exe(1).exe	30
PID 3064 wrote to memory of 2560	3064	BooststrapperV1.18.exe(1).exe	31
PID 3064 wrote to memory of 2560	3064	BooststrapperV1.18.exe(1).exe	31
PID 3064 wrote to memory of 2560	3064	BooststrapperV1.18.exe(1).exe	31
PID 3064 wrote to memory of 2560	3064	BooststrapperV1.18.exe(1).exe	31
PID 2056 wrote to memory of 1888	2056	Exela.exe	33
PID 2056 wrote to memory of 1888	2056	Exela.exe	33
PID 2056 wrote to memory of 1888	2056	Exela.exe	33
PID 2560 wrote to memory of 2100	2560	BootstrapperV1.18.exe	34
PID 2560 wrote to memory of 2100	2560	BootstrapperV1.18.exe	34
PID 2560 wrote to memory of 2100	2560	BootstrapperV1.18.exe	34

C:\Users\Admin\AppData\Local\Temp\BooststrapperV1.18.exe(1).exe
"C:\Users\Admin\AppData\Local\Temp\BooststrapperV1.18.exe(1).exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2056
- - C:\Users\Admin\AppData\Local\Temp\Exela.exe
    "C:\Users\Admin\AppData\Local\Temp\Exela.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1888
- 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:2560
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2560 -s 1068
    3⤵
    - Loads dropped DLL
    PID:2100

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\BootstrapperV1.18.exe

Filesize
971KB

MD5
2458f330cda521460cc077238ab01b25

SHA1
13312b4dffbdda09da2f1848cc713bbe781c5543

SHA256
dc67b264b90e29cf5cffed4453de4567398faa7f3bf18e69e84033c5b33ab05c

SHA512
8f027ebd96901f5a22aad34191244b1786dfb66843cbe05a8470d930415d85d86430267da09e7f1a69b8011b170d229e7fb25ecf0bf7d9209d7b910b2cbab48b

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

Filesize
10.3MB

MD5
fecb82ad4b551d3902b675daf654a342

SHA1
114a3d8537632ae85dc42079ba374b9a81c40ded

SHA256
8849ad81f079b23d51c5819da5543a16c15159d1e7b8c133acd3b8f72a867127

SHA512
54e8c9fcbf0656e91719987449c3679f498c481a1b91150e0b62c507e1f09ee3d6957b707e12535dccea8cd52167ad46a4061b5e7611b59ad7b8de328b52698e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI20562\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\_MEI20562\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI20562\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI20562\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI20562\python310.dll

Filesize
1.4MB

MD5
65015e7bf59f0af4f74f8462112e0ba2

SHA1
a3ce5d867b3f0ad81e7dad089db814d76400493d

SHA256
6f2c1c5ba0392319d41b8a4869053274cc728a05b3ee30dfc8bcf038a6c017fc

SHA512
cb0929d1e92ae6a12ad823b9faf7478b02b91e187300091a123d1c0e95e7fa7def54faa1fc2daacf4161e3922429ba8f711ae3220b01d3395fff8a7c28f96e6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI20562\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI20562\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
memory/1888-116-0x000007FEF2EA0000-0x000007FEF3306000-memory.dmp

Filesize
4.4MB

Download
memory/1888-122-0x000007FEF2EA0000-0x000007FEF3306000-memory.dmp

Filesize
4.4MB

Download
memory/2560-73-0x0000000001380000-0x000000000147A000-memory.dmp

Filesize
1000KB

Download
memory/2560-29-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

Filesize
4KB

Download