Analysis
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max time kernel
122s -
max time network
99s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-02-2021 08:55
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
RFQ.exe
Resource
win10v20201028
General
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Target
RFQ.exe
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Size
519KB
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MD5
59addf908576fc93f44a53596bfd79b6
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SHA1
b62ffb71adbe02aa75fec583d3b9e68f16b6acfa
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SHA256
ce45f8e14c6ad2c325d7b4037dbcdc5f3308a9e9aec290ed9b91809054a4a4b8
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SHA512
8d97a7abade54313e896f6725fe2aa76fb2bec30ccf4d1bceed218cd8fe711bc5b53627bd4a080380f97e198f16fd466e6ef1a8d50cc2942cbe18252400fccbc
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1430995407:AAHXagqOb3lOiloF-tdsg1GOLPStlDuzDNw/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1520-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1520-16-0x000000000043765E-mapping.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ.exedescription pid process target process PID 896 set thread context of 1520 896 RFQ.exe RFQ.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RFQ.exepid process 1520 RFQ.exe 1520 RFQ.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ.exedescription pid process Token: SeDebugPrivilege 1520 RFQ.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
RFQ.exedescription pid process target process PID 896 wrote to memory of 2416 896 RFQ.exe schtasks.exe PID 896 wrote to memory of 2416 896 RFQ.exe schtasks.exe PID 896 wrote to memory of 2416 896 RFQ.exe schtasks.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe PID 896 wrote to memory of 1520 896 RFQ.exe RFQ.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nWlomDVuvkU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E8.tmp"2⤵
- Creates scheduled task(s)
PID:2416 -
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmp5E8.tmpMD5
d2aee1103ce6c6b02512b22a3e755d7e
SHA1da330cb8b0bdf91bd7bd84212b37cb1fc7ece106
SHA256b3288c2a253ec3f91d19bc12b97491a10614c1bf7583da3a8ecba92b384b5884
SHA5122cd3d86fc8107b7b38e3a43c4a3ef34590f9f2072f5585628237763dd942411a30d3c1af4f81c28b887045a366209c9847c72bc3393738ecf114243d1cfce544
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memory/896-11-0x00000000082B0000-0x00000000082B3000-memory.dmpFilesize
12KB
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memory/896-5-0x0000000004B20000-0x0000000004B21000-memory.dmpFilesize
4KB
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memory/896-7-0x0000000004CB0000-0x0000000004CB1000-memory.dmpFilesize
4KB
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memory/896-8-0x0000000002780000-0x0000000002781000-memory.dmpFilesize
4KB
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memory/896-9-0x00000000027C0000-0x00000000027C1000-memory.dmpFilesize
4KB
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memory/896-10-0x0000000004E50000-0x0000000004E51000-memory.dmpFilesize
4KB
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memory/896-2-0x00000000739E0000-0x00000000740CE000-memory.dmpFilesize
6.9MB
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memory/896-12-0x0000000000AE0000-0x0000000000B3C000-memory.dmpFilesize
368KB
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memory/896-3-0x0000000000270000-0x0000000000271000-memory.dmpFilesize
4KB
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memory/896-6-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
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memory/1520-15-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-16-0x000000000043765E-mapping.dmp
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memory/1520-18-0x00000000739E0000-0x00000000740CE000-memory.dmpFilesize
6.9MB
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memory/1520-23-0x0000000005100000-0x0000000005101000-memory.dmpFilesize
4KB
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memory/1520-24-0x0000000005C50000-0x0000000005C51000-memory.dmpFilesize
4KB
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memory/1520-25-0x0000000005CE0000-0x0000000005CE1000-memory.dmpFilesize
4KB
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memory/2416-13-0x0000000000000000-mapping.dmp