bfc9cf8ef1369ba05191e708fea5b6c71d653dee922f15a53a7aed0642e1b756

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
13/01/2023, 13:45

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General

Target
BL-SHIPPING DOCUMENTS.exe
Size 432KB
Sample230113-q2d1jsda41
SHA256 bfc9cf8ef1369ba05191e708fea5b6c71d653dee922f15a53a7aed0642e1b756
MD5 e5b9ff03ba8b7a364c7a60278f1304dc
SHA1 54cb88389f46376aaffea1ba9064827453ac5b97
SHA512 d23c679316f6bf9f4202ec039a3d16735ac07922afae0d4a3d0b77a55ea7ba4bec4eb2554dfd3b88aa5499288d972ce7071ede638c5688ce02ff6d8be3ef1a15
SSDEEP 6144:IYa66T0lgP18cWoTGJTIjl0pjYGEWfGQRdNz4AGNKGC:IYQT0lgP18yTqTIjl0ClWuQ5LiKn
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
960	btctgxoty.exe
568	btctgxoty.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-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\International\Geo\Nation	btctgxoty.exe

Loads dropped DLL 4 IoCs

pid	Process
1248	BL-SHIPPING DOCUMENTS.exe
1248	BL-SHIPPING DOCUMENTS.exe
960	btctgxoty.exe
760	explorer.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 960 set thread context of 568	960	btctgxoty.exe	29
PID 568 set thread context of 1232	568	btctgxoty.exe	21
PID 760 set thread context of 1232	760	explorer.exe	21

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
568	btctgxoty.exe
568	btctgxoty.exe
568	btctgxoty.exe
568	btctgxoty.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1232	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
960	btctgxoty.exe
568	btctgxoty.exe
568	btctgxoty.exe
568	btctgxoty.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	btctgxoty.exe
Token: SeDebugPrivilege	760	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 960	1248	BL-SHIPPING DOCUMENTS.exe	28
PID 1248 wrote to memory of 960	1248	BL-SHIPPING DOCUMENTS.exe	28
PID 1248 wrote to memory of 960	1248	BL-SHIPPING DOCUMENTS.exe	28
PID 1248 wrote to memory of 960	1248	BL-SHIPPING DOCUMENTS.exe	28
PID 960 wrote to memory of 568	960	btctgxoty.exe	29
PID 960 wrote to memory of 568	960	btctgxoty.exe	29
PID 960 wrote to memory of 568	960	btctgxoty.exe	29
PID 960 wrote to memory of 568	960	btctgxoty.exe	29
PID 960 wrote to memory of 568	960	btctgxoty.exe	29
PID 1232 wrote to memory of 760	1232	Explorer.EXE	30
PID 1232 wrote to memory of 760	1232	Explorer.EXE	30
PID 1232 wrote to memory of 760	1232	Explorer.EXE	30
PID 1232 wrote to memory of 760	1232	Explorer.EXE	30
PID 760 wrote to memory of 1384	760	explorer.exe	33
PID 760 wrote to memory of 1384	760	explorer.exe	33
PID 760 wrote to memory of 1384	760	explorer.exe	33
PID 760 wrote to memory of 1384	760	explorer.exe	33
PID 760 wrote to memory of 1384	760	explorer.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe
  "C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENTS.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe
    "C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe" C:\Users\Admin\AppData\Local\Temp\yyoaogav.oys
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:960
  - - C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe
      "C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:568
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1384

Network

MITRE ATT&CK Enterprise v6

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

btctgxoty.exe

Path C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

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btctgxoty.exe

Path C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

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btctgxoty.exe

Path C:\Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

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nwafw.uhq

Path C:\Users\Admin\AppData\Local\Temp\nwafw.uhq
Size 205KB
SHA256 6cf85a3d3c244a0bc5d53b9c57b9375f6f0d2ec0b834f350219cbad8f244a95e
MD5 e172458e327ff979aa0b16e6e98eece4
SHA1 0e94288c781166f2a1db8de1ed44ddb077c804f0
SHA512 769c442d6a4d22f242c5e22d96fc2e9f330a164e1f046f9fc5f37c79f673bbb35b450a98ac2731b7a7480092665d636035721cb42982136d40b69ee0f5747173
SSDEEP 3072:WiZqJIY4v5/1zLw9shCf1lZBQkZu/gEhG6DotzVOE/L4rIMsAf:WcgIY4X0P1lTQkQhGkgVOE/L4yAf
MD5 SHA1 SHA512 SSDEEP

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yyoaogav.oys

Path C:\Users\Admin\AppData\Local\Temp\yyoaogav.oys
Size 5KB
SHA256 cd2dbb349482905cb44978fbd4e9902f99e64bb0af3c850ad8bf2566073b1e3e
MD5 2db00fa7afb3de8e63a152ee88966fae
SHA1 d65b6da2bf9290f2f0db447a17df469743cf53c7
SHA512 67ecdfb09864d7e59f988b2b6b17186619750916e1191106cea9519973c5a8ea5f34814a9952e0cf16fa2b062e4beb41e09cc150b105b54f0be507db8c364231
SSDEEP 96:Farc6oYZg/DrYuXk2XO5oSw0wyDSdCEK3jSIx+TggO2FwIFcH8m6t+McoQil3:FarcRVfhX1SJ7DuhIxrgX1ccmSBQiF
MD5 SHA1 SHA512 SSDEEP

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btctgxoty.exe

Path \Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

Submit Download

btctgxoty.exe

Path \Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

Submit Download

btctgxoty.exe

Path \Users\Admin\AppData\Local\Temp\btctgxoty.exe
Size 48KB
SHA256 1d716a3596e754a662c851da4b6a55cbe0e0366b2fc0148517115a573e0557db
MD5 f502a0304d67539f6af53cebaad5ef0e
SHA1 f758a2a43346d59fece781e7a11eb86a859b92a3
SHA512 cc0e638e0ae8757e35789920ade17500ad941612c332546de65de577830c4573ae5723810b78bcca9fe952be3b9691ff66182873618c7ec57d26d1a9c4c4f9a4
SSDEEP 768:BLZPrq5ePvgHTzqapK2ShdCQZsn+Yipkh5eEMP6qED7uXn3jXUeKvvvvvvvv:NpNQaaA1d1s+Yf5dMPCu3r
MD5 SHA1 SHA512 SSDEEP

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sqlite3.dll

Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
Size 922KB
SHA256 79f86c1edbbc69652a03a0f5667b3985bcf1e19f16fa3b8c7934e5b97ab8586d
MD5 dda1b03a5cd2ca37c96b7daf5e3a8ed7
SHA1 c70e5f58e61980d39608f0795879bf012dbbbca2
SHA512 bf83648c9b5d6d65b2c8409d262a1b7421d2cb13d6c759ec5f352c2d1c5adff3ee2395250fbdfe3590f25fe96bf6b40c2d82a8e7eecaab03be2e6a398e83981f
SSDEEP 24576:VcnftNwZozYENJPIV9gYJsuiUmZyHoPduV3J/jS6:Vg1YWYELPIV9yxUmZyI0Fv
MD5 SHA1 SHA512 SSDEEP

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memory/568-67-0x0000000000770000-0x0000000000A73000-memory.dmp

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memory/568-68-0x00000000001F0000-0x0000000000200000-memory.dmp

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memory/568-66-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/760-72-0x0000000074D61000-0x0000000074D63000-memory.dmp

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memory/760-73-0x0000000000CF0000-0x0000000000F71000-memory.dmp

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memory/760-74-0x0000000000080000-0x00000000000AD000-memory.dmp

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memory/760-75-0x0000000002380000-0x0000000002683000-memory.dmp

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memory/760-76-0x0000000000990000-0x0000000000A1F000-memory.dmp

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memory/760-78-0x0000000000080000-0x00000000000AD000-memory.dmp

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memory/1232-69-0x0000000004A60000-0x0000000004B82000-memory.dmp

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memory/1232-77-0x0000000004B90000-0x0000000004C61000-memory.dmp

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memory/1232-79-0x0000000004B90000-0x0000000004C61000-memory.dmp

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memory/1248-54-0x0000000075351000-0x0000000075353000-memory.dmp

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