buer | a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0

Analysis

max time kernel
34s
max time network
41s
platform
windows7_x64
resource
win7
submitted
16/09/2020, 16:43

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General

Target
a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe
Size 259KB
Sample200916-m16pqq2vx2
SHA256 a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0
MD5 ac8348dd8319365d4857b1e20715c6da
SHA1 5c5b1008a7a96015f2588fd60ddc0b4739f74fb5
SHA512 eed7640b28d4b023cd4c252ed812820221aca61f969ca2e6d5f59aad5532fae07d17401272dd36a3c49641136fa8a95d1e1d801076deb8eac97222f506f0ac86
MD5 SHA1 SHA512

Score

10^/10

buer loader

Malware Config

Extracted

Family

buer

https://kackdelar.top/

Signatures

Buer
Buer is a new modular loader first seen in August 2019.
loader buer

Buer Loader 3 IoCs

Detects Buer loader in memory or disk.

resource	yara_rule
behavioral1/memory/1764-5-0x0000000040000000-0x000000004000C000-memory.dmp	buer
behavioral1/memory/1764-6-0x0000000040002E00-mapping.dmp	buer
behavioral1/memory/1764-7-0x0000000040000000-0x000000004000C000-memory.dmp	buer

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28
PID 1164 wrote to memory of 1764	1164	a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe	28

C:\Users\Admin\AppData\Local\Temp\a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe
"C:\Users\Admin\AppData\Local\Temp\a6cf85f38f11e82be3fbabc2f7ee0d07f608f30ceb92654ec2168c4fcfad56e0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1764

Network

MITRE ATT&CK Matrix

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Downloads

memory/1164-0-0x0000000074200000-0x00000000748EE000-memory.dmp

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memory/1164-1-0x0000000000E50000-0x0000000000E51000-memory.dmp

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memory/1164-3-0x0000000000950000-0x0000000000961000-memory.dmp

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memory/1764-5-0x0000000040000000-0x000000004000C000-memory.dmp

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memory/1764-7-0x0000000040000000-0x000000004000C000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads