8277159c5821b9c8c699fba65eb77532da18b0de22d6052d0fdc3377f9732fe4

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 17:48

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General

Target
DHL Shipment doc.exe
Size 856KB
Sample220830-wdevtseac9
SHA256 8277159c5821b9c8c699fba65eb77532da18b0de22d6052d0fdc3377f9732fe4
MD5 00d5b19cc659c5c49fc28a52290b7638
SHA1 81a0811626b854d4db23e495310d5aa10c124102
SHA512 1fc5a41adb85380b29c4880517f103e472f96443e5408e6e310d134543c9e5d0355b891e18a45f2a19e58a9d26cc5d67cdb8ff42b36c5db55c978be8a1c2bc94
SSDEEP 12288:4y2rXsTEOu4Lz82jIswTC9LcEtzbOczfloa1VO47xU7FscO1ET8XaT0gFCrWEE6O:4y27V34LP82JOczqUVO47xU7A17XaL
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

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-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation	DHL Shipment doc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 1244	1836	DHL Shipment doc.exe	27
PID 1244 set thread context of 1268	1244	DHL Shipment doc.exe	11
PID 1908 set thread context of 1268	1908	chkdsk.exe	11

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1836	DHL Shipment doc.exe
1836	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1244	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1244	DHL Shipment doc.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe
1908	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	DHL Shipment doc.exe
Token: SeDebugPrivilege	1244	DHL Shipment doc.exe
Token: SeDebugPrivilege	1908	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1836 wrote to memory of 1244	1836	DHL Shipment doc.exe	27
PID 1268 wrote to memory of 1908	1268	Explorer.EXE	28
PID 1268 wrote to memory of 1908	1268	Explorer.EXE	28
PID 1268 wrote to memory of 1908	1268	Explorer.EXE	28
PID 1268 wrote to memory of 1908	1268	Explorer.EXE	28
PID 1908 wrote to memory of 1688	1908	chkdsk.exe	30
PID 1908 wrote to memory of 1688	1908	chkdsk.exe	30
PID 1908 wrote to memory of 1688	1908	chkdsk.exe	30
PID 1908 wrote to memory of 1688	1908	chkdsk.exe	30
PID 1908 wrote to memory of 1688	1908	chkdsk.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.exe
    "{path}"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1244
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1688

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

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Downloads

memory/1244-67-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/1244-60-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/1244-70-0x0000000000120000-0x0000000000130000-memory.dmp

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memory/1244-69-0x00000000008B0000-0x0000000000BB3000-memory.dmp

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memory/1244-66-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/1244-68-0x0000000000401000-0x000000000042D000-memory.dmp

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memory/1244-61-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/1244-63-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/1268-77-0x0000000006A90000-0x0000000006B38000-memory.dmp

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memory/1268-80-0x0000000006A90000-0x0000000006B38000-memory.dmp

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memory/1268-71-0x0000000006500000-0x000000000668E000-memory.dmp

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memory/1836-55-0x00000000006C0000-0x000000000075E000-memory.dmp

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memory/1836-58-0x0000000004D60000-0x0000000004DEA000-memory.dmp

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memory/1836-57-0x00000000002C0000-0x00000000002E0000-memory.dmp

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memory/1836-59-0x0000000000790000-0x00000000007C4000-memory.dmp

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memory/1836-56-0x0000000075771000-0x0000000075773000-memory.dmp

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memory/1836-54-0x0000000010BA0000-0x0000000010C7C000-memory.dmp

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memory/1908-73-0x0000000000E50000-0x0000000000E57000-memory.dmp

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memory/1908-75-0x0000000002260000-0x0000000002563000-memory.dmp

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memory/1908-76-0x00000000009F0000-0x0000000000A7F000-memory.dmp

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memory/1908-74-0x00000000000D0000-0x00000000000FB000-memory.dmp

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memory/1908-78-0x00000000000D0000-0x00000000000FB000-memory.dmp

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