7517367b3b61170bb7637de6f89077069159c4a04f430c28102e2d7cf5a0343a

General

Target

tmp.exe
Size

252KB
MD5

743a03da4bca80da5f49be2b77050225
SHA1

49ccd55c30cb4e31be4d4bf48bac3bdcba1acec1
SHA256

7517367b3b61170bb7637de6f89077069159c4a04f430c28102e2d7cf5a0343a
SHA512

98e425afc2237966b5a74439879afd0dbcc5293f9eef6a4e8480db35dccba3626e0fcca855feb5beeeb1b5a1d35e4e13ca86cc0150aff6d310e6a5f09d1302be
SSDEEP

6144:PYa6r0uQT1S084gHhrbDPvT5wTMHxrjSL9q/Vk+shAeBGWr:PYRz0fgHhnDvHxPSJn+sSeBGK

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-1-5-21-1563773381-2037468142-1146002597-1000\Control Panel\International\Geo\Nation	tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2024	tmp.exe
776	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2024 set thread context of 1748	2024	tmp.exe	27
PID 1748 set thread context of 1352	1748	tmp.exe	10
PID 776 set thread context of 1352	776	mstsc.exe	10

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

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-1-5-21-1563773381-2037468142-1146002597-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1748	tmp.exe
1748	tmp.exe
1748	tmp.exe
1748	tmp.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1352	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2024	tmp.exe
1748	tmp.exe
1748	tmp.exe
1748	tmp.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe
776	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	tmp.exe
Token: SeDebugPrivilege	776	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1352	Explorer.EXE
1352	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1352	Explorer.EXE
1352	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1748	2024	tmp.exe	27
PID 2024 wrote to memory of 1748	2024	tmp.exe	27
PID 2024 wrote to memory of 1748	2024	tmp.exe	27
PID 2024 wrote to memory of 1748	2024	tmp.exe	27
PID 2024 wrote to memory of 1748	2024	tmp.exe	27
PID 1352 wrote to memory of 776	1352	Explorer.EXE	29
PID 1352 wrote to memory of 776	1352	Explorer.EXE	29
PID 1352 wrote to memory of 776	1352	Explorer.EXE	29
PID 1352 wrote to memory of 776	1352	Explorer.EXE	29
PID 776 wrote to memory of 1040	776	mstsc.exe	32
PID 776 wrote to memory of 1040	776	mstsc.exe	32
PID 776 wrote to memory of 1040	776	mstsc.exe	32
PID 776 wrote to memory of 1040	776	mstsc.exe	32
PID 776 wrote to memory of 1040	776	mstsc.exe	32

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:1352
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1748
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:568
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:776
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\qfidut.zip

Filesize
484KB

MD5
3bcbd3b08e4a8843fda34512623960a2

SHA1
244d3df69bbc09a43d4af3de5165f50506b8d7af

SHA256
7db638aa6b205aadba193dc7803a7e73eb07bbeeacbacad3a65978093e78673c

SHA512
914f366aab61ed2c13a87ee07e6a4b7aeffe4689c28014fab786244127852a19b7c1ae58bd8dd11840415035290373922f39b628c2409f68569cbf0b8a57e639

Download Submit
\Users\Admin\AppData\Local\Temp\nst53ED.tmp\rbrevlon.dll

Filesize
12KB

MD5
ab69f0e5186c1cd538c0053af4dd2f56

SHA1
4a72c6d9fb25eba375ecb232fa70a1acf88f7003

SHA256
9c8a664e861c1c854acb8591da4179d0ed2b41bc434f11bda2e23a715b193317

SHA512
04e26c2e0d9d043ed6a0a781b70f976381c0f0068d3e01479c5015d36f8b1802d60e68ad84dfb8483c001f1293807c2ef093d8f70771572479b82138f73e2772

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

Filesize
922KB

MD5
dda1b03a5cd2ca37c96b7daf5e3a8ed7

SHA1
c70e5f58e61980d39608f0795879bf012dbbbca2

SHA256
79f86c1edbbc69652a03a0f5667b3985bcf1e19f16fa3b8c7934e5b97ab8586d

SHA512
bf83648c9b5d6d65b2c8409d262a1b7421d2cb13d6c759ec5f352c2d1c5adff3ee2395250fbdfe3590f25fe96bf6b40c2d82a8e7eecaab03be2e6a398e83981f

Download Submit
memory/776-73-0x00000000022E0000-0x00000000025E3000-memory.dmp

Filesize
3.0MB

Download
memory/776-71-0x0000000000DD0000-0x0000000000ED4000-memory.dmp

Filesize
1.0MB

Download
memory/776-120-0x0000000061E00000-0x0000000061ED2000-memory.dmp

Filesize
840KB

Download
memory/776-76-0x0000000000A70000-0x0000000000AFF000-memory.dmp

Filesize
572KB

Download
memory/776-72-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/776-69-0x0000000000DD0000-0x0000000000ED4000-memory.dmp

Filesize
1.0MB

Download
memory/1352-67-0x0000000004C80000-0x0000000004D64000-memory.dmp

Filesize
912KB

Download
memory/1352-64-0x0000000003870000-0x0000000003970000-memory.dmp

Filesize
1024KB

Download
memory/1352-74-0x00000000066B0000-0x00000000067AF000-memory.dmp

Filesize
1020KB

Download
memory/1352-78-0x00000000066B0000-0x00000000067AF000-memory.dmp

Filesize
1020KB

Download
memory/1748-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1748-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1748-66-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1748-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1748-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1748-65-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

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Analysis

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