aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed

Analysis

max time kernel
41s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:36

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General

Target

aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
Size

559KB
MD5

1dc444835bcecf9c8040002d7358a363
SHA1

37e0315e1e9084dcd2e7aae23a17c2fd88b91444
SHA256

aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed
SHA512

c065dc7cc237cb2875b1c1886bfa2bc950eb7a6e6d3e36b5cfa82122ee1bdcbe133e6d9a52280298fa3ad83216a7ede4fd212bbaa0a27731bfe52c59f56463c2
SSDEEP

12288:RPwMDD10JLlX4plVF664qrsXvVNgTob5itLXvo9jyISJd1/dnee2f:1t909K/VF4qrW7CFXvoxbWz/Jee2f

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

DownloadManager.exe

pid process

1716 DownloadManager.exe

pid	process
1716	DownloadManager.exe

Loads dropped DLL 8 IoCs

Processes:

aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe

pid	process
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe

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

Processes:

DownloadManager.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	DownloadManager.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DownloadManager.exe

pid process

1716 DownloadManager.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

DownloadManager.exe

pid process

1716 DownloadManager.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

DownloadManager.exe

pid process

1716 DownloadManager.exe
1716 DownloadManager.exe

pid	process
1716	DownloadManager.exe

pid	process
1716	DownloadManager.exe

pid	process
1716	DownloadManager.exe
1716	DownloadManager.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe

description	pid	process	target process
PID 1760 wrote to memory of 1716	1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe	DownloadManager.exe
PID 1760 wrote to memory of 1716	1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe	DownloadManager.exe
PID 1760 wrote to memory of 1716	1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe	DownloadManager.exe
PID 1760 wrote to memory of 1716	1760	aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe	DownloadManager.exe

C:\Users\Admin\AppData\Local\Temp\aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe
"C:\Users\Admin\AppData\Local\Temp\aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\DownloadManager.exe
DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\aac93e7c6222a30af1769b58d3a2616c9aa398aec8c1c78f9e86e6f5f9afabed.exe"
2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\ApplicationDebug.log
Filesize
94B

MD5
81ff31d4f9720276eab7467b2ab73ae9

SHA1
3a273e3803e6d01d5d2ccbf4b7950157ba8ce5c8

SHA256
0bcbce9d68a8d479a55a93f56990467bb7ac94bc63bce65ec740d8ea4a1d2ec2

SHA512
67b3fd359d8557ceaf18a9b263e0654be044edea827b2cf4ef99e68c5f1ce71e52f6d3de51cda41295e27122f675f4a93e15f3f924b31dfdfc34b1430cb79903

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\DownloadManager.exe
Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\DownloadManager.exe
Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\DownloadManager.exe
Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\DM_UTRI2BRhD2\DownloadManager.exe
Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\System.dll
Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\System.dll
Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\System.dll
Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\UserInfo.dll
Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\inetc.dll
Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nst15C4.tmp\pwgen.dll
Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/1716-63-0x0000000000000000-mapping.dmp

Download
memory/1716-66-0x000007FEF35E0000-0x000007FEF4003000-memory.dmp

Filesize
10.1MB

Download
memory/1716-67-0x000007FEEE1C0000-0x000007FEEF256000-memory.dmp

Filesize
16.6MB

Download
memory/1716-68-0x000007FEFB621000-0x000007FEFB623000-memory.dmp

Filesize
8KB

Download
memory/1716-69-0x0000000001F37000-0x0000000001F56000-memory.dmp

Filesize
124KB

Download
memory/1716-70-0x000007FEEBD00000-0x000007FEECB8F000-memory.dmp

Filesize
14.6MB

Download
memory/1716-71-0x0000000001F37000-0x0000000001F56000-memory.dmp

Filesize
124KB

Download
memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download