a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322

General

Target

a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Size

536KB
MD5

1fa29c7731c5ef66e62e8dc8289885b9
SHA1

aba6fce50892b02ca0201a86107b66a3c43c045b
SHA256

a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322
SHA512

4c695befe3dadc40466369293ff5da0279c18a034754cac8dc776f75dfa3e91f6b17f3cc313c8bcf651c30eb317b10948bf46fca9a12e6c8223e9dfa2e66d762
SSDEEP

12288:Bhf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:BdQyDL9xp/BGA1RkmOkx2LF

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2896-0-0x0000000000A00000-0x0000000000B02000-memory.dmp	upx
behavioral1/memory/2896-332-0x0000000000A00000-0x0000000000B02000-memory.dmp	upx
behavioral1/memory/2896-731-0x0000000000A00000-0x0000000000B02000-memory.dmp	upx
behavioral1/memory/2896-916-0x0000000000A00000-0x0000000000B02000-memory.dmp	upx
behavioral1/memory/2896-930-0x0000000000A00000-0x0000000000B02000-memory.dmp	upx

Unexpected DNS network traffic destination 4 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	223.5.5.5
Destination IP	114.114.114.114
Destination IP	114.114.114.114
Destination IP	223.5.5.5

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\3194a0	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Token: SeTcbPrivilege	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Token: SeDebugPrivilege	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
Token: SeDebugPrivilege	1252	Explorer.EXE
Token: SeTcbPrivilege	1252	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1252	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe	9
PID 2896 wrote to memory of 1252	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe	9
PID 2896 wrote to memory of 1252	2896	a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe	9

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1252
- C:\Users\Admin\AppData\Local\Temp\a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
  "C:\Users\Admin\AppData\Local\Temp\a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe"
  2⤵
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ad6b7f3dcfaa5c080a95973fdb58cf26

SHA1
b69d47c2150efaedabf5f0f260d96941b40d5985

SHA256
384390ab731c0bb13fe36da71733f91c55ceee4be36401dc8b8adf8720982f2e

SHA512
f599854715fbc4b8429a1b8439f9d2abb94580d432e8747d0bb1274ad0328d5edc5bd686b42c09bcdd9bbd6557bab44d8dc6d09d78c9730a689a7fa3c1390af7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
24b6492fda069622dcd4a312afc362ff

SHA1
77502b856df3af1dc1ec892af45ea1c3ca8e0f65

SHA256
355bc16067676b5c26fbf709c16b1c5709bb71b26a20b270cc0308cd503cd2bb

SHA512
f8373f6717606a26353c45045e5d9769821529a93586e9f69ec853501b630dcf4af7e60a27d032d2563bdfa1021fe804a287567d94a15e46f02cb4f355e14655

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1347.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1252-6-0x0000000003D90000-0x0000000003E09000-memory.dmp

Filesize
484KB

Download
memory/1252-4-0x0000000002DD0000-0x0000000002DD3000-memory.dmp

Filesize
12KB

Download
memory/1252-502-0x0000000003D90000-0x0000000003E09000-memory.dmp

Filesize
484KB

Download
memory/1252-3-0x0000000002DD0000-0x0000000002DD3000-memory.dmp

Filesize
12KB

Download
memory/2896-0-0x0000000000A00000-0x0000000000B02000-memory.dmp

Filesize
1.0MB

Download
memory/2896-332-0x0000000000A00000-0x0000000000B02000-memory.dmp

Filesize
1.0MB

Download
memory/2896-731-0x0000000000A00000-0x0000000000B02000-memory.dmp

Filesize
1.0MB

Download
memory/2896-916-0x0000000000A00000-0x0000000000B02000-memory.dmp

Filesize
1.0MB

Download
memory/2896-930-0x0000000000A00000-0x0000000000B02000-memory.dmp

Filesize
1.0MB

Download

Analysis

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