ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6

General

Target

ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
Size

347KB
MD5

79ba8eca06cc52cdb7f16adf5887c588
SHA1

9dd3fe2cc53770ba90ad6085c81cf203448c5d2c
SHA256

ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6
SHA512

c829d325168c612ecd5863e96cbfe85a9e52aa7e0e42a183f09092174e4c70f0a664acb84a26012fb4e7a4656b7f7b63a209d63eb3d85cf4f7250e4ed4edd293
SSDEEP

6144:BGHwRxlvPtEjYWWvsRORZ+5EOW7LFyjDecxLdOfVLjB2Oho4+56:YHqBvMfCOW7LQueiL8d

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5088	adbreader.exe
3600	adbreader.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3436	netsh.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5048-132-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/5048-133-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/5048-134-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/files/0x0002000000021b42-142.dat	upx
behavioral2/files/0x0002000000021b42-143.dat	upx
behavioral2/memory/5088-145-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/files/0x0002000000021b42-149.dat	upx
behavioral2/memory/5088-151-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Driver Update = "C:\\Users\\Admin\\AppData\\Local\\Temp\\adbreader.exe"	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Driver Update = "C:\\Users\\Admin\\AppData\\Local\\Temp\\adbreader.exe"	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5088 set thread context of 3600	5088	adbreader.exe	82

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5048 wrote to memory of 5020	5048	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	79
PID 5020 wrote to memory of 3436	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	80
PID 5020 wrote to memory of 3436	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	80
PID 5020 wrote to memory of 3436	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	80
PID 5020 wrote to memory of 5088	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	81
PID 5020 wrote to memory of 5088	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	81
PID 5020 wrote to memory of 5088	5020	ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe	81
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82
PID 5088 wrote to memory of 3600	5088	adbreader.exe	82

C:\Users\Admin\AppData\Local\Temp\ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
"C:\Users\Admin\AppData\Local\Temp\ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe
  "C:\Users\Admin\AppData\Local\Temp\ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\adbreader.exe" "Adobe Driver Update" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3436
- - C:\Users\Admin\AppData\Local\Temp\adbreader.exe
    "C:\Users\Admin\AppData\Local\Temp\adbreader.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - C:\Users\Admin\AppData\Local\Temp\adbreader.exe
      "C:\Users\Admin\AppData\Local\Temp\adbreader.exe"
      4⤵
      Executes dropped EXE
      PID:3600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\adbreader.exe

Filesize
347KB

MD5
79ba8eca06cc52cdb7f16adf5887c588

SHA1
9dd3fe2cc53770ba90ad6085c81cf203448c5d2c

SHA256
ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6

SHA512
c829d325168c612ecd5863e96cbfe85a9e52aa7e0e42a183f09092174e4c70f0a664acb84a26012fb4e7a4656b7f7b63a209d63eb3d85cf4f7250e4ed4edd293

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

Filesize
347KB

MD5
79ba8eca06cc52cdb7f16adf5887c588

SHA1
9dd3fe2cc53770ba90ad6085c81cf203448c5d2c

SHA256
ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6

SHA512
c829d325168c612ecd5863e96cbfe85a9e52aa7e0e42a183f09092174e4c70f0a664acb84a26012fb4e7a4656b7f7b63a209d63eb3d85cf4f7250e4ed4edd293

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

Filesize
347KB

MD5
79ba8eca06cc52cdb7f16adf5887c588

SHA1
9dd3fe2cc53770ba90ad6085c81cf203448c5d2c

SHA256
ae33d63dc14b31b66c60c9067036352b3b65080faff7311a149814132f869ae6

SHA512
c829d325168c612ecd5863e96cbfe85a9e52aa7e0e42a183f09092174e4c70f0a664acb84a26012fb4e7a4656b7f7b63a209d63eb3d85cf4f7250e4ed4edd293

Download Submit
memory/3600-153-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5020-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5020-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5020-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5020-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5020-144-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5048-132-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/5048-134-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/5048-133-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/5088-145-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/5088-151-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download

Analysis

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