bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20/03/2023, 10:27

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General

Target

DHL Notification_pdf.exe
Size

292KB
MD5

06f7894017e8f6737d228adc14480c83
SHA1

fab1cbdbbb5fc2e76de2622948a02c3e8af17c18
SHA256

bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353
SHA512

a88448b4853746bb49d2640e5f23796187e6234f744ee006c687e93197f9dee86cf826259b2480879dcf00dad0b98355dd49298ece63f0bc32f1d356b3f3d8d6
SSDEEP

6144:PYa6brXt83aw4ZaNEQRd0SyjNmzvw/gAn/lfVuMqs6sV3jQl:PYRrXtCJ4Zazd0SyxEvwYA/l9l6s1je

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-1-5-21-3948302646-268491222-1934009652-1000\Control Panel\International\Geo\Nation	ldndbi.exe

Executes dropped EXE 2 IoCs

pid	Process
2028	ldndbi.exe
1856	ldndbi.exe

Loads dropped DLL 4 IoCs

pid	Process
1808	DHL Notification_pdf.exe
1808	DHL Notification_pdf.exe
2028	ldndbi.exe
1124	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 1856	2028	ldndbi.exe	30
PID 1856 set thread context of 1196	1856	ldndbi.exe	21
PID 1124 set thread context of 1196	1124	chkdsk.exe	21

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

System Information Discovery
T1082

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-1-5-21-3948302646-268491222-1934009652-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1856	ldndbi.exe
1856	ldndbi.exe
1856	ldndbi.exe
1856	ldndbi.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2028	ldndbi.exe
1856	ldndbi.exe
1856	ldndbi.exe
1856	ldndbi.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe
1124	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	ldndbi.exe
Token: SeDebugPrivilege	1124	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2028	1808	DHL Notification_pdf.exe	28
PID 1808 wrote to memory of 2028	1808	DHL Notification_pdf.exe	28
PID 1808 wrote to memory of 2028	1808	DHL Notification_pdf.exe	28
PID 1808 wrote to memory of 2028	1808	DHL Notification_pdf.exe	28
PID 2028 wrote to memory of 1856	2028	ldndbi.exe	30
PID 2028 wrote to memory of 1856	2028	ldndbi.exe	30
PID 2028 wrote to memory of 1856	2028	ldndbi.exe	30
PID 2028 wrote to memory of 1856	2028	ldndbi.exe	30
PID 2028 wrote to memory of 1856	2028	ldndbi.exe	30
PID 1196 wrote to memory of 1124	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1124	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1124	1196	Explorer.EXE	31
PID 1196 wrote to memory of 1124	1196	Explorer.EXE	31
PID 1124 wrote to memory of 920	1124	chkdsk.exe	34
PID 1124 wrote to memory of 920	1124	chkdsk.exe	34
PID 1124 wrote to memory of 920	1124	chkdsk.exe	34
PID 1124 wrote to memory of 920	1124	chkdsk.exe	34
PID 1124 wrote to memory of 920	1124	chkdsk.exe	34

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:1196
- C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Users\Admin\AppData\Local\Temp\ldndbi.exe
    "C:\Users\Admin\AppData\Local\Temp\ldndbi.exe" C:\Users\Admin\AppData\Local\Temp\qlqjt.de
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Users\Admin\AppData\Local\Temp\ldndbi.exe
      "C:\Users\Admin\AppData\Local\Temp\ldndbi.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1856
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Loads dropped DLL
  - 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:1124
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:920

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

C:\Users\Admin\AppData\Local\Temp\0pzpen.zip

Filesize
486KB

MD5
1e73cacce02ae20026a81f1e56416aa3

SHA1
f491a7301ce11cf11a92c0245c7e03d927422286

SHA256
0dd0dd38cde5a14e7d6d0830db62cc7037e521fd042b0b8da0763128b2c0b3f2

SHA512
afe77facd8b16cc744ac2277414ffaf83436999d15eb8ac707f8098e2f8ed4cb29b430392ebe46b7fa65b20730615bc33dee9416f7141da5032a630894980a0a

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

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

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

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

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

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

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

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

Download Submit
C:\Users\Admin\AppData\Local\Temp\qlqjt.de

Filesize
5KB

MD5
a994e285dd19803fb9ec4341608fa3bd

SHA1
d5d88c4a0c0dd00cf6120aac684492bc28203088

SHA256
95e31dd67caed4c3e24eaa150bbf40b380ae7dcb308639d45539675a66d827e4

SHA512
3beafb9225621703067b76099fca5a9d012f9cb9078f2fb32b6eb803ea2bce7e6d75598d5dada3d721f50ca67ffba3850bcb21a3aadab73414052f3a03b8e1c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tfnqr.hy

Filesize
205KB

MD5
1a4214b2d0c61b85eab942baa8b90a45

SHA1
48aeb34fbb99c2ac55961f17f84e1c3ee0740eaf

SHA256
b12b5eb17e8dc4dbc3a9fb16736bce60e097346e9236719508118510cc9092e1

SHA512
e1bd0fa394f3b555a43d62c294eea6385ae57a1254994fa34644dabfd6bb4208e16a032da00c8656fc1aedc9a57dd3fa72599b03ff098fc39ec085b4c90e445c

Download Submit
\Users\Admin\AppData\Local\Temp\ldndbi.exe

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

Download Submit
\Users\Admin\AppData\Local\Temp\ldndbi.exe

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

Download Submit
\Users\Admin\AppData\Local\Temp\ldndbi.exe

Filesize
93KB

MD5
c99b9b59b44f7789dd46e5230c22a9cd

SHA1
a4551975a1003a0309ae3eef35ff0183e388707b

SHA256
fc5d8e04a8c7a63b993963abb0a4ba5dd1203818cca5a04221a0e0470f2a3d1a

SHA512
de8ed5c68b001d32d71dfae1d9a30d1128848131f77a2fdd64b5e8c047d0e796b52335033f718bc89f0bfeed15517ae038468d227f4ed4a43e63cb51bd75f79e

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
927KB

MD5
7fd80b1cc72dc580c02ca4cfbfb2592d

SHA1
18da905af878b27151b359cf1a7d0a650764e8a1

SHA256
1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

SHA512
13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

Download Submit
memory/1124-80-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1124-84-0x0000000000550000-0x00000000005DF000-memory.dmp

Filesize
572KB

Download
memory/1124-130-0x0000000061E00000-0x0000000061ED2000-memory.dmp

Filesize
840KB

Download
memory/1124-126-0x0000000061E00000-0x0000000061ED2000-memory.dmp

Filesize
840KB

Download
memory/1124-77-0x0000000000210000-0x0000000000217000-memory.dmp

Filesize
28KB

Download
memory/1124-81-0x0000000002100000-0x0000000002403000-memory.dmp

Filesize
3.0MB

Download
memory/1124-79-0x0000000000210000-0x0000000000217000-memory.dmp

Filesize
28KB

Download
memory/1196-82-0x0000000004C00000-0x0000000004CD6000-memory.dmp

Filesize
856KB

Download
memory/1196-86-0x0000000004C00000-0x0000000004CD6000-memory.dmp

Filesize
856KB

Download
memory/1196-75-0x0000000004B20000-0x0000000004BF9000-memory.dmp

Filesize
868KB

Download
memory/1856-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1856-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1856-73-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1856-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1856-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1856-74-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download